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c64-dos.bas
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c64-dos.bas
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' c64.bas
#include once "fbgfx.bi"
#include once "address.bi"
using FB
#if defined(__FB_WIN32__) or defined(__FB_LINUX__) or defined(__FB_CYGWIN__) or defined(__FB_FREEBSD__) or _
defined(__FB_NETBSD__) or defined(__FB_OPENBSD__) or defined(__FB_DARWIN__) or defined(__FB_XBOX__) or _
defined(__FB_UNIX__) or defined(__FB_64BIT__) or defined(__FB_ARM__)
#include once "glsl.bi"
#endif
#define M_PI 3.1415926535897932384626433832795028
#ifdef _DEBUG
# define dprint(msg) open err for output as #99:print #99,"debug: " & msg:close #99
#else
# define dprint(msg) :
#endif
'TCL keywords
#define proc function
'Python keywords
#define def sub
#define in
#define range(x, y) x to y
'Assembly Mnemonics
#define equ = 'Equal
#define add + 'Add
#define subt - 'Subtract
#define mul * 'Multiply
#define div / 'Divide
#define idiv \ 'Integer Devide
#define expt ^ 'Exponentiate
#define neg - 'Negate
#define mov(x, y) x equ y 'Move
#define jmp goto 'Jump
#define cmp if 'Compare
#define eq = 'Equal
#define ne <> 'Not equal
#define lt < 'Less than
#define ls <= 'Less than or equal
#define gs >= 'Greater than or equal
#define gt > 'Greater than
#define db data
#define dw db
#define dd dw
#define df dd
#define dl dl
#define ds ds
#define opr operator
'Logic Gates
#define logic_xnor(x, y) not(x xor y) 'XNOR
#define logic_xor(x, y) x xor y 'XOR
#define logic_nor(x, y) not(x or y) 'NOR
#define logic_or(x, y) x or y 'OR
#define logic_nand(x, y) not(x and y) 'NAND
#define logic_and(x, y) x and y 'AND
#define logic_not(x) not x 'NOT
'Byte Operations
#define check_bit(x, y) (logic_and((x),(1 shl (y))))
#define low_nibble(x) (logic_and(x,&H0F))
#define high_nibble(x) ((logic_and(x,&HF0)) shr 4)
'ASCII To PETSCII converter
#define ASCII_TO_PETSCII(adr, a) if logic_and(mem64(adr add a) gt 31,mem64(adr add a) lt 64) then _
mov(mem64(adr add a),mem64(adr add a) add 32
'Fast PSET
#define pixel(x, y, c) mov(*Cptr(ulong Ptr, pScrn, add (x) mul pitch + (y) mul imgData), (c))
' memory registers
dim shared as uinteger pc,old_pc=&H00,adr0,adr1,adr2,adr3,pc_status
' general purpose registers
dim shared as ulong r0, r1, r2, r3, r4, r5
' video registers
dim shared as uinteger radius
dim shared as ulong red0=&HFF,green0=&HFF,blue0=&HFF,xalpha0=&HFF
dim shared as ulong red1=&H00,green1=&H00,blue1=&H00,xalpha1=&H00
dim shared as ulong red2=&HFF,green2=&HFF,blue2=&HFF,xalpha2=&HFF
dim shared as single x_axis0, y_axis0, z_axis0, col0, col1,char_h=&H5A
dim shared as single x_axis1, y_axis1, z_axis1, char_ptr, char_w=&H5A
dim shared as ulong char_buffer=&H000004000, bitmask=&HFF, pixel_size
' string registers
dim shared as ulong string_adr, string_len
dim shared as string driver_name, string_data
' mouse registers
dim shared as long mouse_x, mouse_y, mouse_w, mouse_b, mouse_c, mouse_v
' joystick registers
dim shared as uinteger joystick_id, joystick_b
dim shared as single a1,a2,a3,a4,a5,a6,a7,a8
' keyboard register
dim shared as ubyte key
' system memory bank
dim shared as string vram (&H0000AFFF)
dim shared as string get_key, get_data, old_data(10000)
dim shared as short data_pointer = 1, repeat
dim shared as integer prompt_flag = 1
dim shared as string eol: eol = chr(13) + chr(10)
dim shared as ubyte nibbles(&B1111)
dim shared as ubyte bytes (&B11111111)
dim shared as ushort xwords (&B1111111111111111)
var shared mov(bd_color,0)
var shared mov(b,0),mov(c,0),mov(x,0),mov(y,0),mov(xs,0),mov(ys,0)
var shared mov(uflag,0),mov(UpdatedScreen,0),mov(cary,0)
common shared as double offset,swch, sys_offset,str_len,cnt
common shared as any ptr bgimage,fgimage,raster
common shared as any ptr image, pScrn
common shared as string strCode,compiler
common shared as string filename
common shared as ulongint scr_w, scr_h,scr_pos, imgData, pitch
common shared as any ptr render
common shared as string msg
type MEMORY_T
public:
declare constructor
declare destructor
declare function ReadByte (byval adr as double) as byte
declare function ReadUByte (byval adr as double) as ubyte
declare function ReadUShort (byval adr as double) as ushort
declare sub WriteByte (byval adr as double, byval b8 as double)
declare sub WriteUByte (byval adr as double, byval b8 as double)
declare sub WriteUShort(byval adr as double, byval w16 as double)
declare function Peek64 (byval adr as double) as double
declare sub poke64 (byval adr as double, byval v as double)
declare function screencode (byval code as double) as double
declare function peekb (byval adr as double) as double
declare sub pokeb (byval adr as double, byval v as double)
declare sub pokew (byval adr as double, byval v as double)
declare function peekw (byval adr as double) as double
declare function issymbol (byval s as string, byval start as double) as double
declare function isnumber (byval s as string, byval start as double) as double
declare sub getXYZ ()
#if 0
const as ulongint mov(os_end, &HFFFF) '------|
const as ulongint mov(os_base, &HE000) ' 8 K | KERNAL ROM or RAM (adr 0 bit1=0 RAM bit1=1 ROM
const as ulongint mov(flopy_end, &HDFFF) '------+-|
const as ulongint mov(flopy_base, &HDF00) ' 256 b |
const as ulongint mov(cpm_end, &HDEFF) '--------|
const as ulongint mov(cpm_base, &HDE00) ' 256 b |
const as ulongint mob(cia2_end, &HDDFF) '--------|
const as ulongint mov(cia2_base, &HDD00) ' 256 b |
const as ulongint mov(cia1_end, &HDCFF) '--------|
const as ulongint mov(cia1_base, &HDC00) ' 256 b |-- 4 K I/O
const as ulongint mov(col_end, &HDBFF) '--------|
const as ulongint mov(col_base, &HD800) ' 1 K |
const as ulongint mov(sid_end, &HD7FF) '--------|
const as ulongint mov(sid_base, &HD400) ' 1 K |
const as ulongint mov(vic_end, &HD3FF) '--------|
const as ulongint mov(vic_base, &HD000) ' 1 K |
const as ulongint mov(up_ram_end, &HCFFF) '------+-|
const as ulongint mov(up_ram_base, &HC000) ' 4 K |
const as ulongint mov(basic_end, &HBFFF) '------|
const as ulongint mov(basic_base, &HA000) ' 8 K
#endif
'Define datasets
#if defined(__FB_WIN32__) or defined(__FB_LINUX__) or defined(__FB_CYGWIN__) or defined(__FB_FREEBSD__) or _
defined(__FB_NETBSD__) or defined(__FB_OPENBSD__) or defined(__FB_DARWIN__) or defined(__FB_XBOX__) or _
defined(__FB_UNIX__) or defined(__FB_64BIT__) or defined(__FB_ARM__)
as double mem64 (16777215) ' Ram
as double kernal (00016383) ' OS
as double basic (00016383) ' Basic
as double char (00032752) ' Font
as double col (00001023) ' color triples
as double SINTable(00000359) ' sine table
as double COSTable(00000359) ' cosine table
#elseif defined(__FB_WIN32__) or defined(__FB_DOS__)
as double mem64 (04194303) ' Ram
as double kernal (00016383) ' OS
as double basic (00016383) ' Basic
as double char (00032752) ' Font
as double col (00001023) ' color triples
as double SINTable(00000359) ' sine table
as double COSTable(00000359) ' cosine table
#endif
end type
enum ADR_MODES
_UNK ' unknow
_IMP ' instruction only
_IMM ' 1 byte operand (immidate)
' opr = mem(pc)
_ABS ' 2 byte lo hi
' adr = mem(pc) + mem(pc+1)*256
_ZERO ' 1 byte lo (zero page hi=0)
' adr = mem(pc) and 255
_ZEROX ' 1 byte lo (zero page x hi=0)
' adr = (mem(pc)+x) and 255
_ZEROY ' 1 byte lo (zero page y hi=0)
' adr = (mem(pc)+y) and 255
_ABSX ' 2 byte lo hi (abs x)
' adr = mem(pc ) + mem(pc+1)*256 + x
_ABSY ' 2 byte lo hi (abs y)
' adr = mem(pc ) + mem(pc+1)*256 + y
_REL ' 1 byte lo (rel. branch -128 - +127)
' adr= PC + lo
_INDX ' 1 byte lo (ind x)
' adr =(mem(pc )+x) and 255
' adr = mem(adr) + mem(adr+1)*256
_INDY ' 2 byte lo hi (ind y)
' adr = mem(pc ) + mem(pc +1)*256 + y
_IND ' 2 byte lo hi (jmp indirect)
' adr = mem(pc ) + mem(pc +1)*256
' pc = mem(adr) + mem(adr+1)*256
end enum
type FLAGS
as ubyte C:1 ' cary
as ubyte Z:1 ' zero
as ubyte I:1 ' interrupt
as ubyte D:1 ' decimal
as ubyte B:1 ' borrow
as ubyte H:1 ' half carry
as ubyte V:1 ' overflow
as ubyte N:1 ' negative
end type
type CPU6510_T as CPU6510 ptr
type MULTI
union
as any ptr adr0
as any ptr adr1
type
union
as double ufpu64
as double sfpu64
type
union
as ulongint u64
as longint s64
type
union
as single ufpu32
as single sfpu32
type
union
as ulong u32
as long s32
type
union
as ushort u16
as short s16
type
union
as ubyte ulo
as byte slo
end union
union
as ubyte uhi
as byte shi
end union
end type
end union
end type
end union
end type
end union
end type
end union
end type
end union
end type
end union
end type
type OPCODE
as ulongint code
as zstring * 4 nam
as ulongint adrmode,bytes,ticks
as MULTI op
as sub(byval Cpu as CPU6510_T) decode
end type
type CPU6510
public:
declare constructor(byval mem as MEMORY_T ptr)
declare destructor
declare operator CAST as string
#if defined(__FB_WIN32__) or defined(__FB_LINUX__) or defined(__FB_CYGWIN__) or defined(__FB_FREEBSD__) or _
defined(__FB_NETBSD__) or defined(__FB_OPENBSD__) or defined(__FB_DARWIN__) or defined(__FB_XBOX__) or _
defined(__FB_UNIX__) or defined(__FB_64BIT__) or defined(__FB_ARM__)
declare function Tick(byval mov(flg as double, 1.797693134862316e+308)) as double
#elseif defined(__FB_DOS__)
declare function Tick(byval flg as double=&H7FFFFFFF) as double
#endif
declare function ADR_IMM as double
declare function ADR_REL as double
declare function ADR_ZERO as double
declare function ADR_ZEROX as double
declare function ADR_ZEROY as double
declare function ADR_ABS as double
declare function ADR_ABSX as double
declare function ADR_ABSY as double
declare function ADR_IND as double
declare function ADR_INDX as double
declare function ADR_INDY as double
declare function ADR_UNK as double ' unknow
declare sub Push (byval v as double)
declare function Pull as double
union ' status register P
as ubyte P
as FLAGS F
end union
union ' accumulator A
as ubyte A ' A unsigned
as byte sA ' A signed
end union
union ' index register X
as ubyte X ' X unsigned
as byte sX ' X signed
end union
union ' index register Y
as ubyte Y ' X unsigned
as byte sY ' X signed
end union
union ' program counter PC
as ushort PC
type
as ubyte PL ' as lo hi bytes
as ubyte PH
end type
end union
union ' stack pointer
as ushort SP
type
as ubyte S ' as lo bytes
as ubyte MSB ' msb allways hi
end type
end union
as MEMORY_T ptr mem
as OPCODE code
private:
as OPCODE Opcodes(255)
as string StrAdrModes(12)
end type
type C64_T
public:
declare constructor
declare destructor
as MEMORY_T ptr MEM
as CPU6510 ptr CPU
end type
constructor C64_T
dim as integer i,c
' initialize nibbles, bytes, and words.
#if defined(__FB_DOS__) or defined(__FB_WIN32__)
poke @nibbles(&B0000),&B0000
poke @nibbles(&B0001),&B0001
poke @nibbles(&B0101),&B0101
poke @nibbles(&B1000),&B1000
poke @i,peek(@nibbles(&B0000))
locate 4,1: print hex(@sys_offset)
for a as integer = 0 to 15
print "@nibbles(&B";bin(a);") = &H";hex(@nibbles(a))
next a
end
L0A:
poke @nibbles(peek(@i)),peek(@i): mov(i add, peek(@nibbles(&B0001)))
poke @nibbles(peek(integer,@i)),peek(integer,@i): mov(i add, peek(@nibbles(&B0001)))
locate peek(ubyte,@nibbles(&B0001)),peek(ubyte,@nibbles(&B0001)): print "NIBBLES: ";iif(peek(integer,@i)<peek(@nibbles(&B1000)) shl peek(@nibbles(&B0001)),peek(@i),peek(@i) subt peek(@nibbles(&B0001)))
cmp peek(integer,@i) ls peek(@nibbles(&B1000)) shl peek(@nibbles(&B0001)) jmp L0A
poke integer,@i,peek(ubyte,@nibbles(&B0000))
L0B:
mov(bytes(i),i): mov(i add, peek(@nibbles(&B0001)))
locate 2,1: print "BYTES: "; iif(i<peek(@nibbles(&B1000)) shl peek(@nibbles(&B0101)),i,i subt peek(@nibbles(&B0001)))
cmp i ls peek(@nibbles(&B1000)) shl peek(@nibbles(&B0101)) jmp L0B
mov(i, nibbles(&B0000))
L0C:
mov(xwords(i),i): mov(i add, peek(@nibbles(&B0001)))
locate 3,1: print "WORDS: "; iif(i<peek(@nibbles(&B1111)) shl peek(@nibbles(&B1100)) add peek(@nibbles(&B1111)) shl peek(@nibbles(&B1000)) add peek(@nibbles(&B1111)) shl peek(@nibbles(&B0100)) add peek(@nibbles(&B1111)),i,i subt peek(@nibbles(&B0001)))
cmp i ls peek(@nibbles(&B1111)) shl peek(@nibbles(&B1100)) add peek(@nibbles(&B1111)) shl peek(@nibbles(&B1000)) add peek(@nibbles(&B1111)) shl peek(@nibbles(&B0100)) add peek(@nibbles(&B1111)) jmp L0C
#endif
#if defined(__FB_LINUX__) or defined(__FB_CYGWIN__) or defined(__FB_FREEBSD__) or _
defined(__FB_NETBSD__) or defined(__FB_OPENBSD__) or defined(__FB_DARWIN__) or defined(__FB_XBOX__) or _
defined(__FB_UNIX__) or defined(__FB_64BIT__) or defined(__FB_ARM__)
poke ubyte,&H495DA0,&B0000
poke ubyte,&H495DA1,&B0001
poke ubyte,&H495DA5,&B0101
poke ubyte,&H495DA8,&B1000
poke integer,@i, peek(ubyte,&H495DA0)
L0A:
poke ubyte,@nibbles(peek(integer,@i)),peek(integer,@i): poke integer,@i,peek(integer,@i) add peek(ubyte,&H495DA1)
locate peek(ubyte,&H495DA1), peek(ubyte,&H495DA1): print "NIBBLES: ";iif(peek(integer,@i)< peek(ubyte,&H495DA8) shl peek(ubyte,&H495DA1), peek(integer,@i), peek(integer,@i) subt peek(ubyte,&H495DA1))
cmp peek(integer,@i) ls peek(ubyte,&H495DA8) shl peek(ubyte,&H495DA1) jmp L0A
poke integer,@i,peek(ubyte,&H495DA0)
L0B:
poke ubyte,@bytes(peek(integer,@i)), peek(integer,@i): poke integer,@i,peek(integer,@i) add peek(ubyte,&H495DA1)
locate peek(ubyte,&H495DA2), peek(ubyte,&H495DA1): print "BYTES: ";iif(peek(integer,@i)< peek(ubyte,&H495DA8) shl peek(ubyte,&H495DA5), peek(integer,@i), peek(integer,@i) subt peek(ubyte,&H495DA1))
cmp peek(integer,@i) ls peek(ubyte,&H495DA8) shl peek(ubyte,&H495DA5) jmp L0B
poke integer,@i,peek(ubyte,&H495DA0)
L0C:
poke ushort,@xwords(peek(integer,@i)),peek(integer,@i): poke integer,@i,peek(integer,@i) add peek(ubyte,&H495DA1)
locate peek(ubyte,&H495DA3), peek(ubyte,&H495DA1): print "WORDS: ";iif(peek(integer,@i)< peek(ubyte,&H495DAF) shl peek(ubyte,&H495DAC) add peek(ubyte,&H495DAF) shl peek(ubyte,&H495DA8) add peek(ubyte,&H495DAF) shl peek(ubyte,&H495DA4) add peek(ubyte,&H495DAF), peek(integer,@i), peek(integer,@i) subt peek(ubyte,&H495DA1))
cmp peek(integer,@i) ls peek(ubyte,&H495DAF) shl peek(ubyte,&H495DAC) add peek(ubyte,&H495DAF) shl peek(ubyte,&H495DA8) add peek(ubyte,&H495DAF) shl peek(ubyte,&H495DA4) add peek(ubyte,&H495DAF) jmp L0C
#endif
dprint("C64_T()")
#if defined(__FB_DOS__) or defined(__FB_WIN32__)
ScreenRes peek(ubyte,@nibbles(&B0011)) shl peek(ubyte,@nibbles(&B1000)) add peek(ubyte,@nibbles(&B0010)) shl peek(ubyte,@nibbles(&B0100)), peek(ubyte,@nibbles(&B0010)) shl peek(ubyte,@nibbles(&B1000)) add peek(ubyte,@nibbles(&B0101)) shl peek(ubyte,@nibbles(&B0100)) add peek(ubyte,@nibbles(&B1000)), peek(ubyte,@nibbles(&B0010)) shl peek(ubyte,@nibbles(&B0100)),peek(ubyte,@nibbles(&B0000)),logic_or(GFX_FULLSCREEN, GFX_ALPHA_PRIMITIVES): Cls
#endif
#if defined(__FB_LINUX__) or defined(__FB_CYGWIN__) or defined(__FB_FREEBSD__) or _
defined(__FB_NETBSD__) or defined(__FB_OPENBSD__) or defined(__FB_DARWIN__) or defined(__FB_XBOX__) or _
defined(__FB_UNIX__) or defined(__FB_64BIT__) or defined(__FB_ARM__)
'ScreenRes 1920d,1080d, 32d, 0d, logic_or(GFX_FULLSCREEN, GFX_ALPHA_PRIMITIVES): Cls
'ScreenRes xwords(&B0000011110000000),xwords(&B0000010000111000),bytes(&B00100000),bytes(&B00000000),logic_or(GFX_FULLSCREEN, GFX_ALPHA_PRIMITIVES): Cls
'locate 4,1: print hex(@sys_offset)
'for a as integer = 0 to 15
' print "@nibbles(&B";bin(a);") = &H";hex(@nibbles(a))
'next a
ScreenRes peek(ubyte,&H495DAF) shl peek(ubyte,&H495DA7), peek(ubyte,&H495DA4) shl peek(ubyte,&H495DA8) add peek(ubyte,&H495DA3) shl peek(ubyte,&H495DA4) add peek(ubyte,&H495DA8), peek(ubyte,&H495DA2) shl peek(ubyte,&H495DA4), peek(ubyte,&H495DA0),GFX_ALPHA_PRIMITIVES: Cls
#endif
' get curent resolution
#if defined(__FB_DOS__) or defined(__FB_WIN32__)
screeninfo cast(uinteger,scr_w), cast(uinteger,scr_h), cast(uinteger,imgData), cast(uinteger,pitch)
mov(bgimage, ImageCreate(scr_w,scr_h, peek(@nibbles(&B0000)),peek(@nibbles(&B0010)) shl peek(@nibbles(&B0100))))
mov(fgimage, ImageCreate(scr_w,scr_h, peek(@nibbles(&B0000)),peek(@nibbles(&B0010)) shl peek(@nibbles(&B0100))))
mov(raster, ImageCreate(scr_w, peek(@nibbles(&B0001)),peek(@nibbles(&B0000)),peek(@nibbles(&B0010)) shl peek(@nibbles(&B0100))))
mov(render, ImageCreate(scr_w,scr_h, peek(@nibbles(&B0000)),peek(@nibbles(&B0010)) shl peek(@nibbles(&B0100))))
poke @i, peek(@nibbles(&B0000))
L0:
read c:palette peek(@i),peek(@c)
mov(i add, peek(@nibbles(&B0001)))
cmp peek(@i) lt peek(@nibbles(&B1111)) jmp L0
#endif
#if defined(__FB_LINUX__) or defined(__FB_CYGWIN__) or defined(__FB_FREEBSD__) or _
defined(__FB_NETBSD__) or defined(__FB_OPENBSD__) or defined(__FB_DARWIN__) or defined(__FB_XBOX__) or _
defined(__FB_UNIX__) or defined(__FB_64BIT__) or defined(__FB_ARM__)
screeninfo cast(uinteger,scr_w), cast(uinteger,scr_h), cast(uinteger,imgData), cast(uinteger,pitch)
mov(bgimage, ImageCreate(scr_w,scr_h, peek(ubyte,&H495DA0),peek(ubyte,&H495DA2) shl peek(ubyte,&H495DA4)))
mov(fgimage, ImageCreate(scr_w,scr_h, peek(ubyte,&H495DA0),peek(ubyte,&H495DA2) shl peek(ubyte,&H495DA4)))
mov(raster, ImageCreate(scr_w, peek(ubyte,&H495DA1),peek(ubyte,&H495DA0), peek(ubyte,&H495DA2) shl peek(ubyte,&H495DA4)))
mov(render, ImageCreate(scr_w,scr_h, peek(ubyte,&H495DA0),peek(ubyte,&H495DA2) shl peek(ubyte,&H495DA4)))
poke integer,@i, peek(ubyte,&H495DA0)
L0:
read c:palette peek(integer,@i), peek(integer,@c)
poke integer,@i, peek(integer,@i) add peek(ubyte,&H495DA1)
cmp peek(integer,@i) lt peek(ubyte,&H495DAF) jmp L0
#endif
mov(mem, new MEMORY_T)
mov(cpu, new CPU6510(mem))
end constructor
destructor C64_T
delete CPU
delete MEM
dprint("C64_T~")
ImageDestroy(bgimage)
ImageDestroy(fgimage)
ImageDestroy(raster)
ImageDestroy(render)
#if defined(__FB_DOS__) or defined(__FB_WIN32__)
sleep peek(ubyte,@nibbles(&B0011)) shl peek(ubyte,@nibbles(&B1000)) add peek(ubyte,@nibbles(&B1110)) shl peek(ubyte,@nibbles(&B0100)) add peek(ubyte,@nibbles(&B1000))
#endif
#if defined(__FB_LINUX__) or defined(__FB_CYGWIN__) or defined(__FB_FREEBSD__) or _
defined(__FB_NETBSD__) or defined(__FB_OPENBSD__) or defined(__FB_DARWIN__) or defined(__FB_XBOX__) or _
defined(__FB_UNIX__) or defined(__FB_64BIT__) or defined(__FB_ARM__)
sleep peek(ubyte,&H495DA3) shl peek(ubyte,&H495DA8) add peek(ubyte,&H495DAE) shl peek(ubyte,&H495DA4) add peek(ubyte,&H495DA8)
#endif
end destructor
constructor MEMORY_T
'Set default system offset to $C000(49152)
poke double,&H4AE908, peek(ubyte, @nibbles(&B1100)) shl peek(ubyte, @nibbles(&B1100))
' initialize zero page and the stack
var mov(b, peek(ushort,@nibbles(&B0000))),mov(index,peek(ushort,@nibbles(&B0000)))
L1:
read b: poke double,@mem64(peek(ushort,@index)),peek(ushort,@b)
poke ushort,@index, peek(ushort,@index) add peek(ubyte,@nibbles(&B0001))
cmp peek(ushort,@index) ls peek(ubyte, @nibbles(&B0001)) shl peek(ubyte,@nibbles(&B1000)) add peek(ubyte,@nibbles(&B1111)) shl peek(ubyte,@nibbles(&B0100)) add peek(ubyte,@nibbles(&B1111)) jmp L1
poke ushort,@index, peek(ubyte, @nibbles(&B0010)) shl peek(ubyte,@nibbles(&B1000))
L2:
poke double,@mem64(index), peek(ubyte, @nibbles(&B1111)) shl peek(ubyte,@nibbles(&B0100)) add peek(ubyte,@nibbles(&B1111))
poke ushort,@index, peek(ushort,@index) add peek(ubyte,@nibbles(&B0001))
cmp peek(ushort,@index) ls peek(ubyte, @nibbles(&B0011)) shl peek(ubyte,@nibbles(&B1000)) add peek(ubyte,@nibbles(&B1111)) shl peek(ubyte,@nibbles(&B0100)) add peek(ubyte,@nibbles(&B1111)) jmp L2
' initialize sine and cosine tables
poke ushort,@index, peek(ubyte, @nibbles(&B0000))
L3:
poke double,@SINTable(peek(ushort,@index)),SIN( peek(ushort,@index) mul M_PI div peek(ubyte,@nibbles(&B1011)) shl peek(ubyte,@nibbles(&B0100)) add peek(ubyte,@nibbles(&B0100)))
poke double,@COSTable(peek(ushort,@index)),COS( peek(ushort,@index) mul M_PI div peek(ubyte,@nibbles(&B1011)) shl peek(ubyte,@nibbles(&B0100)) add peek(ubyte,@nibbles(&B0100)))
poke ushort,@index, peek(ushort,@index) add peek(ubyte,@nibbles(&B0001))
cmp peek(ushort,@index) ls peek(ubyte,@nibbles(&B0001)) shl peek(ubyte,@nibbles(&B1000)) add peek(ubyte,@nibbles(&B0110)) shl peek(ubyte,@nibbles(&B0100)) add peek(ubyte,@nibbles(&B0111)) jmp L3
' Set text color
' Red=($C002/49154)
poke64(peek(ubyte,@nibbles(&B1100)) shl peek(ubyte,@nibbles(&B1100)) add peek(ubyte,@nibbles(&B0010)), peek(ubyte,@nibbles(&B1111)) shl peek(ubyte,@nibbles(&B0100)) add peek(ubyte,@nibbles(&B1111)))
' Green=($C003/49155)
poke64(peek(ubyte,@nibbles(&B1100)) shl peek(ubyte,@nibbles(&B1100)) add peek(ubyte,@nibbles(&B0011)), peek(ubyte,@nibbles(&B1111)) shl peek(ubyte,@nibbles(&B0100)) add peek(ubyte,@nibbles(&B1111)))
' Blue=($C004/49156)
poke64(peek(ubyte,@nibbles(&B1100)) shl peek(ubyte,@nibbles(&B1100)) add peek(ubyte,@nibbles(&B0100)), peek(ubyte,@nibbles(&B1111)) shl peek(ubyte,@nibbles(&B0100)) add peek(ubyte,@nibbles(&B1111)))
' Alpha=($C005/49157)
poke64(peek(ubyte,@nibbles(&B1100)) shl peek(ubyte,@nibbles(&B1100)) add peek(ubyte,@nibbles(&B0101)), peek(ubyte,@nibbles(&B1111)) shl peek(ubyte,@nibbles(&B0100)) add peek(ubyte,@nibbles(&B1111)))
' Background Color(Alpha)=($C009/49161)
poke64(peek(ubyte,@nibbles(&B1100)) shl peek(ubyte,@nibbles(&B1100)) add peek(ubyte,@nibbles(&B1001)), peek(ubyte,@nibbles(&B1111)) shl peek(ubyte,@nibbles(&B0100)) add peek(ubyte,@nibbles(&B1111)))
' Border Color(Alpha)=($C130/49456)
poke64(peek(ubyte,@nibbles(&B1100)) shl peek(ubyte,@nibbles(&B1100)) add peek(ubyte,@nibbles(&B0100)) shl peek(ubyte,@nibbles(&B0110)) add peek(ubyte,@nibbles(&B1100)) shl peek(ubyte,@nibbles(&B0010)), peek(ubyte,@nibbles(&B1111)) shl peek(ubyte,@nibbles(&B0100)) add peek(ubyte,@nibbles(&B1111)))
' Address 648 ($288) holds a "pointer" (or more precisely, half a pointer) that tells
' KERNAL where in RAM the text screen is currently located: The contents of address 648 is
' the most significant 8 bits, or the "high-byte", of the text screen's physical start address.
poke64(peek(ubyte,@nibbles(&B0010)) shl peek(ubyte,@nibbles(&B1000)) add peek(ubyte,@nibbles(&B1000)) shl peek(ubyte,@nibbles(&B0100)) add peek(ubyte,@nibbles(&B1000)), peek(ubyte,@nibbles(&B0100)))
' Address 53272 ($D018) is a VIC-II register that generally tells the graphics chip where to "look for graphics",
' in conjunction with both the text screen and with bitmap graphics.
poke64(peek(ubyte,@nibbles(&B1101)) shl peek(ubyte,@nibbles(&B1100)) add peek(ubyte,@nibbles(&B0001)) shl peek(ubyte,@nibbles(&B0100)) add peek(ubyte,@nibbles(&B1000)), peek(ubyte,@nibbles(&B0001)) shl peek(ubyte,@nibbles(&B0100)) add peek(ubyte,@nibbles(&B1111)))
' font_f(Flip font)=($C0E7/49383)
poke64(peek(ubyte,@nibbles(&B1100)) shl peek(ubyte,@nibbles(&B1100)) add peek(ubyte,@nibbles(&B1110)) shl peek(ubyte,@nibbles(&B0100)) add peek(ubyte,@nibbles(&B0111)), peek(ubyte,@nibbles(&B0000)))
' font_o(Font offset)=($C0E8/49384)
poke64(peek(ubyte,@nibbles(&B1100)) shl peek(ubyte,@nibbles(&B1100)) add peek(ubyte,@nibbles(&B1110)) shl peek(ubyte,@nibbles(&B0100)) add peek(ubyte,@nibbles(&B1000)), peek(ubyte,@nibbles(&B0010)))
' font_w(Font width)=($C0E9/49385)
poke64(peek(ubyte,@nibbles(&B1100)) shl peek(ubyte,@nibbles(&B1100)) add peek(ubyte,@nibbles(&B1110)) shl peek(ubyte,@nibbles(&B0100)) add peek(ubyte,@nibbles(&B1001)), peek(ubyte,@nibbles(&B0111)))
' font_h(Font height)=($C0EA/49386)
poke64(peek(ubyte,@nibbles(&B1100)) shl peek(ubyte,@nibbles(&B1100)) add peek(ubyte,@nibbles(&B1110)) shl peek(ubyte,@nibbles(&B0100)) add peek(ubyte,@nibbles(&B1010)), peek(ubyte,@nibbles(&B0111)))
poke ushort,@index, peek(ubyte,@nibbles(&B0000))
dim as ubyte tmp
' init all ROM's
open "64c.251913-01.bin" for binary as #1
L4:
get #1,,tmp: poke double,@basic(index), peek(ubyte,@tmp)
poke ushort,@index, peek(ushort,@index) add peek(ubyte,@nibbles(&B0001))
cmp peek(ushort,@index) ls peek(ubyte,@nibbles(&B0001)) shl peek(ubyte,@nibbles(&B1100)) add peek(ubyte,@nibbles(&B1111)) shl peek(ubyte,@nibbles(&B1000)) add peek(ubyte,@nibbles(&B1111)) shl peek(ubyte,@nibbles(&B0100)) add peek(ubyte,@nibbles(&B1111)) jmp L4
poke ushort,@index, peek(ubyte,@nibbles(&B0000))
L5:
get #1,,tmp: poke double,@kernal(index), peek(ubyte,@tmp)
poke ushort,@index, peek(ushort,@index) add peek(ubyte,@nibbles(&B0001))
cmp peek(ushort,@index) ls peek(ubyte,@nibbles(&B0001)) shl peek(ubyte,@nibbles(&B1100)) add peek(ubyte,@nibbles(&B1111)) shl peek(ubyte,@nibbles(&B1000)) add peek(ubyte,@nibbles(&B1111)) shl peek(ubyte,@nibbles(&B0100)) add peek(ubyte,@nibbles(&B1111)) jmp L5
close #1
'for b as integer = 617 to 641
/'
for in range(mov(i, 0000d),8191d): mov(char(i), 00d): next i
'open "./chargen/"+str(b)+".c64" for binary as #1
open "./chargen/chargen_openroms.rom" for binary as #1
for in range(mov(i, 0d), lof(1d))
get #1,,tmp: mov(char(i), tmp)
next i
close #1
'/
open "./chargen/2.c64" for binary as peek(ubyte,@nibbles(&B0001))
poke ushort,@index, peek(ubyte,@nibbles(&B0000))
L6:
get #1,,tmp: poke double,@char(index), peek(ubyte,@tmp)
poke ushort,@index, peek(ushort,@index) add peek(ubyte,@nibbles(&B0001))
cmp peek(ushort,@index) ls peek(ubyte,@nibbles(&B0001)) shl peek(ubyte,@nibbles(&B1100)) add peek(ubyte,@nibbles(&B1111)) shl peek(ubyte,@nibbles(&B1000)) add peek(ubyte,@nibbles(&B1111)) shl peek(ubyte,@nibbles(&B0100)) add peek(ubyte,@nibbles(&B1111)) jmp L6
'close #1
'open "./chargen/2.c64" for binary as #1
seek peek(ubyte,@nibbles(&B0001)), peek(ubyte,@nibbles(&B0000))
poke ushort, @index, peek(ubyte,@nibbles(&B0010)) shl peek(ubyte,@nibbles(&B1100))
L7:
get #1,,tmp: poke double,@char(index), peek(ubyte,@tmp)
poke ushort,@index, peek(ushort,@index) add peek(ubyte,@nibbles(&B0001))
cmp peek(ushort,@index) ls peek(ubyte,@nibbles(&B0011)) shl peek(ubyte,@nibbles(&B1100)) add peek(ubyte,@nibbles(&B1111)) shl peek(ubyte,@nibbles(&B1000)) add peek(ubyte,@nibbles(&B1111)) shl peek(ubyte,@nibbles(&B0100)) add peek(ubyte,@nibbles(&B1111)) jmp L7
close peek(ubyte,@nibbles(&B0001))
/'
restore CHAR_ROM
' r0
mov(mem64(49361d),0d)
for char_ptr=0 to 16383
read char(char_ptr)
' r0
mov(mem64(49361d) add,1)
' r0
if mem64(49361d) gt 2047 then
' r0
mov(mem64(49361d),0d): restore CHAR_ROM
end if
next poke8(0,255):poke8(1,255)
'/
'for a as integer = 0 to 255: poke64(1024+a,a): next a
'locate 50,1: print "./chargen/"+str(b)+".c64"
'sleep : next b: end
#if defined(__FB_WIN32__) or defined(__FB_LINUX__) or defined(__FB_CYGWIN__) or defined(__FB_FREEBSD__) or _
defined(__FB_NETBSD__) or defined(__FB_OPENBSD__) or defined(__FB_DARWIN__) or defined(__FB_XBOX__) or _
defined(__FB_UNIX__) or defined(__FB_64BIT__) or defined(__FB_ARM__)
'Sets top of system memory
' $0000(000000)
poke64(peek(ubyte,@nibbles(&B0000)), 1.797693134862316e+308)
' $0001(00001)
poke64(peek(ubyte,@nibbles(&B0001)), 1.797693134862316e+308)
'Sets reset vector to top of system memory
' $FFFC(65532)
poke64(peek(ubyte,@nibbles(&B1111)) shl peek(ubyte,@nibbles(&B1100)) add peek(ubyte,@nibbles(&B1111)) shl peek(ubyte,@nibbles(&B1000)) add peek(ubyte,@nibbles(&B1111)) shl peek(ubyte,@nibbles(&B0100)) add peek(ubyte,@nibbles(&B1100)),1.797693134862316e+308)
' $FFFD(65533)
poke64(peek(ubyte,@nibbles(&B1111)) shl peek(ubyte,@nibbles(&B1100)) add peek(ubyte,@nibbles(&B1111)) shl peek(ubyte,@nibbles(&B1000)) add peek(ubyte,@nibbles(&B1111)) shl peek(ubyte,@nibbles(&B0100)) add peek(ubyte,@nibbles(&B1101)),1.797693134862316e+308)
#elseif defined(__FB_DOS__)
'Sets top of system memory
' $0000(000000)
poke64(peek(ubyte,@nibbles(&B0000)), peek(ubyte,@nibbles(&B0000)))
' $0001(00001)
poke64(peek(ubyte,@nibbles(&B0001)), peek(ubyte,@nibbles(&B0001)))
'Sets reset vector to top of system memory
' $FFFC(65532)
poke64(peek(ubyte,@nibbles(&B1111)) shl peek(ubyte,@nibbles(&B1100)) add peek(ubyte,@nibbles(&B1111)) shl peek(ubyte,@nibbles(&B1000)) add peek(ubyte,@nibbles(&B1111)) shl peek(ubyte,@nibbles(&B0100)) add peek(ubyte,@nibbles(&B1100)),peek(ubyte,@nibbles(&B0000)))
' $FFFD(65533)
poke64(peek(ubyte,@nibbles(&B1111)) shl peek(ubyte,@nibbles(&B1100)) add peek(ubyte,@nibbles(&B1111)) shl peek(ubyte,@nibbles(&B1000)) add peek(ubyte,@nibbles(&B1111)) shl peek(ubyte,@nibbles(&B0100)) add peek(ubyte,@nibbles(&B1100)),peek(ubyte,@nibbles(&B1001)) shl peek(ubyte,@nibbles(&B0100)))
#endif
paint( peek(ubyte,@nibbles(&B0000)), peek(ubyte,@nibbles(&B0000))),rgba( peek(ubyte,@nibbles(&B0000)), peek(ubyte,@nibbles(&B0000)), peek(ubyte,@nibbles(&B0000)), peek(ubyte,@nibbles(&B1111)) shl peek(ubyte,@nibbles(&B0100)) add peek(ubyte,@nibbles(&B1111)))
'SYS calls 7E72
'.,7E72 LDA #$00 10101001 00000000
'.,7E74 STA $C000 10001101 00000000 11000000
'.,7E77 RTS 01100000
' $7E72(32370) $7E73(32371)
poke64(peek(ubyte,@nibbles(&B0111)) shl peek(ubyte,@nibbles(&B1100)) add peek(ubyte,@nibbles(&B1110)) shl peek(ubyte,@nibbles(&B1000)) add peek(ubyte,@nibbles(&B0111)) shl peek(ubyte,@nibbles(&B0100)) add peek(ubyte,@nibbles(&B0010)),peek(ubyte,@nibbles(&B1010)) shl peek(ubyte,@nibbles(&B0100)) add peek(ubyte,@nibbles(&B1001))): poke64(peek(ubyte,@nibbles(&B0111)) shl peek(ubyte,@nibbles(&B1100)) add peek(ubyte,@nibbles(&B1110)) shl peek(ubyte,@nibbles(&B1000)) add peek(ubyte,@nibbles(&B0111)) shl peek(ubyte,@nibbles(&B0100)) add peek(ubyte,@nibbles(&B0011)),peek(ubyte,@nibbles(&B0000)))
' $7E74(32372) $7E75(32373) $7E76(32374)
poke64(peek(ubyte,@nibbles(&B0111)) shl peek(ubyte,@nibbles(&B1100)) add peek(ubyte,@nibbles(&B1110)) shl peek(ubyte,@nibbles(&B1000)) add peek(ubyte,@nibbles(&B0111)) shl peek(ubyte,@nibbles(&B0100)) add peek(ubyte,@nibbles(&B0100)),peek(ubyte,@nibbles(&B1000)) shl peek(ubyte,@nibbles(&B0100)) add peek(ubyte,@nibbles(&B1101))): poke64(peek(ubyte,@nibbles(&B0111)) shl peek(ubyte,@nibbles(&B1100)) add peek(ubyte,@nibbles(&B1110)) shl peek(ubyte,@nibbles(&B1000)) add peek(ubyte,@nibbles(&B0111)) shl peek(ubyte,@nibbles(&B0100)) add peek(ubyte,@nibbles(&B0101)),peek(ubyte,@nibbles(&B0000))): poke64(peek(ubyte,@nibbles(&B0111)) shl peek(ubyte,@nibbles(&B1100)) add peek(ubyte,@nibbles(&B1110)) shl peek(ubyte,@nibbles(&B1000)) add peek(ubyte,@nibbles(&B0111)) shl peek(ubyte,@nibbles(&B0100)) add peek(ubyte,@nibbles(&B0110)),peek(ubyte,@nibbles(&B1100)) shl peek(ubyte,@nibbles(&B0100)))
' $7E77(32370)
poke64(peek(ubyte,@nibbles(&B0111)) shl peek(ubyte,@nibbles(&B1100)) add peek(ubyte,@nibbles(&B1110)) shl peek(ubyte,@nibbles(&B1000)) add peek(ubyte,@nibbles(&B0111)) shl peek(ubyte,@nibbles(&B0100)) add peek(ubyte,@nibbles(&B0111)),peek(ubyte,@nibbles(&B0110)) shl peek(ubyte,@nibbles(&B0100)))
var mov(mem,chr( peek(ubyte,@nibbles(&B0000))))
poke ushort,@index, peek(ubyte,@nibbles(&B0000))
'mov(basic(&H0B46), &H00) '.,AB45 A9 00 LDA #$00 ;set input prompt to NULL
'mov(basic(&H178E), &H00) '.,B78E F0 05 BEQ $B794 ;ASC() - Ignore NULL
'Patch BASIC startup messages"
mov(mem, "BYTES")
poke ushort,@index, peek(ubyte,@nibbles(&B0001))
L8:
' $466(1126)
poke double, @kernal( peek(ubyte,@nibbles(&B0100)) shl peek(ubyte,@nibbles(&B1000)) add peek(ubyte,@nibbles(&B0110)) shl peek(ubyte,@nibbles(&B0100)) add peek(ubyte,@nibbles(&B0110)) add peek(ushort,@index)), asc(mid(mem, peek(ushort,@index), peek(ubyte,@nibbles(&B1111)) shl peek(ubyte,@nibbles(&B0100)) add peek(ubyte,@nibbles(&B1111))))
' $466(1126) $466(1126)
cmp logic_and( peek(double,@kernal( peek(ubyte,@nibbles(&B0100)) shl peek(ubyte,@nibbles(&B1000)) add peek(ubyte,@nibbles(&B0110)) shl peek(ubyte,@nibbles(&B0100)) add peek(ubyte,@nibbles(&B0110)) add peek(ushort,@index))) gt peek(ubyte,@nibbles(&B0001)) shl peek(ubyte,@nibbles(&B0100)) add peek(ubyte,@nibbles(&B1111)), peek(double,@kernal( peek(ubyte,@nibbles(&B0100)) shl peek(ubyte,@nibbles(&B1000)) add peek(ubyte,@nibbles(&B0110)) shl peek(ubyte,@nibbles(&B0100)) add peek(ubyte,@nibbles(&B0110)) add peek(ushort,@index))) lt peek(ubyte,@nibbles(&B0100)) shl peek(ubyte,@nibbles(&B0100))) jmp L9
poke ushort, @index, peek(ushort,@index) add peek(ubyte,@nibbles(&B0001))
cmp peek(ushort,@index) ls len(mem) jmp L8
jmp L10
L9:
' $466(1126) $466(1126)
poke double, @kernal( peek(ubyte,@nibbles(&B0100)) shl peek(ubyte,@nibbles(&B1000)) add peek(ubyte,@nibbles(&B0110)) shl peek(ubyte,@nibbles(&B0100)) add peek(ushort,@index)), peek(double,@kernal( peek(ubyte,@nibbles(&B0100)) shl peek(ubyte,@nibbles(&B1000)) add peek(ubyte,@nibbles(&B0110)) shl peek(ubyte,@nibbles(&B0100)) add peek(ushort,@index)) add peek(ubyte,@nibbles(&B0010)) shl peek(ubyte,@nibbles(&B0100)))
jmp L8
L10:
mov(mem, "FREE")
poke ushort, @index, peek(ubyte,@nibbles(&B0001))
L11:
' $46C(1132)
poke double, @kernal( peek(ubyte,@nibbles(&B0100)) shl peek(ubyte,@nibbles(&B1000)) add peek(ubyte,@nibbles(&B0110)) shl peek(ubyte,@nibbles(&B0100)) add peek(ubyte,@nibbles(&B1100)) add peek(ushort,@index)), asc(mid(mem, peek(ushort,@index), peek(ubyte,@nibbles(&B0001))))
' $46C(1132) $46C(1132)
cmp logic_and( peek(double,@kernal( peek(ubyte,@nibbles(&B0100)) shl peek(ubyte,@nibbles(&B1000)) add peek(ubyte,@nibbles(&B0110)) shl peek(ubyte,@nibbles(&B0100)) add peek(ubyte,@nibbles(&B1100)) add peek(ushort,@index))) gt peek(ubyte,@nibbles(&B0001)) shl peek(ubyte,@nibbles(&B0100)) add peek(ushort,@nibbles(&B1111)), peek(ubyte,@kernal( peek(ubyte,@nibbles(&B0100)) shl peek(ubyte,@nibbles(&B1000)) add peek(ubyte,@nibbles(&B0110)) shl peek(ubyte,@nibbles(&B0100)) add peek(ubyte,@nibbles(&B1100)) add peek(ushort,@index))) lt peek(ubyte,@nibbles(&B0100)) shl peek(ubyte,@nibbles(&B0100))) jmp L12
poke ushort,@index, peek(ushort,@index) add peek(ubyte,@nibbles(&B0001))
cmp peek(ushort,@index) ls len(mem) jmp L11
jmp L13
L12:
' $46C(1132) $46C(1132)
poke double,@kernal( peek(ubyte,@nibbles(&B0100)) shl peek(ubyte,@nibbles(&B1000)) add peek(ubyte,@nibbles(&B0110)) shl peek(ubyte,@nibbles(&B0100)) add peek(ubyte,@nibbles(&B1100)) add peek(ushort,@index)), peek(double,@kernal( peek(ubyte,@nibbles(&B0100)) shl peek(ubyte,@nibbles(&B1000)) add peek(ubyte,@nibbles(&B0110)) shl peek(ubyte,@nibbles(&B0100)) add peek(ubyte,@nibbles(&B1100)) add peek(ushort,@index)) add peek(ubyte,@nibbles(&B0010)) shl peek(ubyte,@nibbles(&B0100)))
jmp L11
L13:
' $47D(1149) $47E(1150)
poke double,@kernal( peek(ubyte,@nibbles(&B0100)) shl peek(ubyte,@nibbles(&B1000)) add peek(ubyte,@nibbles(&B0111)) shl peek(ubyte,@nibbles(&B0100)) add peek(ubyte,@nibbles(&B1101))), peek(ubyte,@nibbles(&B0010)) shl peek(ubyte,@nibbles(&B0100)) add peek(ubyte,@nibbles(&B1010)): poke double, @kernal( peek(ubyte,@nibbles(&B0100)) shl peek(ubyte,@nibbles(&B1000)) add peek(ubyte,@nibbles(&B0111)) shl peek(ubyte,@nibbles(&B0100)) add peek(ubyte,@nibbles(&B1110))), peek(ubyte,@nibbles(&B001)) shl peek(ubyte,@nibbles(&B0100))
' $47F(1151)
poke double,@kernal( peek(ubyte,@nibbles(&B0100)) shl peek(ubyte,@nibbles(&B1000)) add peek(ubyte,@nibbles(&B0111)) shl peek(ubyte,@nibbles(&B0100)) add peek(ubyte,@nibbles(&B1111))), peek(ubyte,@nibbles(&B0010)) shl peek(ubyte,@nibbles(&B0100))
mov(mem, "MICROSOFT")
poke ushort,@index, peek(ubyte,@nibbles(&B0001))
L14:
' $47F(1151)
poke double,@kernal( peek(ubyte,@nibbles(&B0100)) shl peek(ubyte,@nibbles(&B1000)) add peek(ubyte,@nibbles(&B0111)) shl peek(ubyte,@nibbles(&B0100)) add peek(ubyte,@nibbles(&B1111)) add peek(ushort,@index)), asc(mid(mem, peek(ushort,@index), peek(ubyte,@nibbles(&B0001))))
' $47F(1151) $47F(1151)
cmp logic_and( peek(double,@kernal( peek(ubyte,@nibbles(&B0100)) shl peek(ubyte,@nibbles(&B1000)) add peek(ubyte,@nibbles(&B0111)) shl peek(ubyte,@nibbles(&B0100)) add peek(ubyte,@nibbles(&B1111)) add peek(ushort,@index))) gt peek(ubyte,@nibbles(&B0001)) shl peek(ushort,@nibbles(&B0100)) add peek(ubyte,@nibbles(&B1111)), peek(double,@kernal( peek(ubyte,@nibbles(&B0100)) shl peek(ubyte,@nibbles(&B1000)) add peek(ubyte,@nibbles(&B0111)) shl peek(ubyte,@nibbles(&B0100)) add peek(ubyte,@nibbles(&B1111)) add peek(ushort,@index))) lt peek(ubyte,@nibbles(&B0100)) shl peek(ubyte,@nibbles(&B0100))) jmp L15
poke ushort,@index, peek(ushort,@index) add peek(ubyte,@nibbles(&B0001))
cmp peek(ushort,@index) ls len(mem) jmp L14
jmp L16
L15:
' $47F(1151) $47F(1151)
poke double,@kernal( peek(ubyte,@nibbles(&B0100)) shl peek(ubyte,@nibbles(&B1000)) add peek(ubyte,@nibbles(&B0111)) shl peek(ubyte,@nibbles(&B0100)) add peek(ubyte,@nibbles(&B1111)) add peek(ushort,@index)), peek(double,@kernal( peek(ubyte,@nibbles(&B0100)) shl peek(ubyte,@nibbles(&B1000)) add peek(ubyte,@nibbles(&B0111)) shl peek(ubyte,@nibbles(&B0100)) add peek(ubyte,@nibbles(&B1111)) add peek(ushort,@index)) add peek(ubyte,@nibbles(&B0100)) shl peek(ubyte,@nibbles(&B0100)))
jmp L14:
L16:
' $489(1161)
poke double,@kernal( peek(ubyte,@nibbles(&B0100)) shl peek(ubyte,@nibbles(&B1000)) add peek(ubyte,@nibbles(&B1000)) shl peek(ubyte,@nibbles(&B0100)) add peek(ubyte,@nibbles(&B1001))), peek(ubyte,@nibbles(&B0010)) shl peek(ubyte,@nibbles(&B0100))
mov(mem, "BASIC")
poke ushort,@index, peek(ubyte,@nibbles(&B0001))
L17:
' $460(1120)
poke double,@kernal( peek(ubyte,@nibbles(&B0100)) shl peek(ubyte,@nibbles(&B1000)) add peek(ubyte,@nibbles(&B0110)) shl peek(ubyte,@nibbles(&B0100)) add peek(ushort,@index)), asc(mid(mem, peek(ushort,@index), peek(ubyte,@nibbles(&B0001))))
' $460(1120) $460(1120)
cmp logic_and( peek(double,@kernal( peek(ubyte,@nibbles(&B0100)) shl peek(ubyte,@nibbles(&B1000)) add peek(ubyte,@nibbles(&B0110)) shl peek(ubyte,@nibbles(&B0100)) add peek(ushort,@index))) gt peek(ubyte,@nibbles(&B0001)) shl peek(ubyte,@nibbles(&B0100)) add peek(ubyte,@nibbles(&B1111)), peek(double,@kernal( peek(ubyte,@nibbles(&B0100)) shl peek(ubyte,@nibbles(&B1000)) add peek(ubyte,@nibbles(&B0110)) shl peek(ubyte,@nibbles(&B0100)) add peek(ushort,@index))) lt peek(ubyte,@nibbles(&B0100)) shl peek(ubyte,@nibbles(&B0100))) jmp L18
' $489(1161)
poke double,@kernal( peek(ubyte,@nibbles(&B0100)) shl peek(ubyte,@nibbles(&B1000)) add peek(ubyte,@nibbles(&B1000)) shl peek(ubyte,@nibbles(&B0100)) add peek(ubyte,@nibbles(&B1001)) add peek(ushort,@index)), asc(mid(mem, peek(ushort,@index), peek(ubyte,@nibbles(&B0001))))
' $489(1161) $489(1161)
cmp logic_and( peek(double,@kernal( peek(ubyte,@nibbles(&B0100)) shl peek(ubyte,@nibbles(&B1000)) add peek(ubyte,@nibbles(&B1000)) shl peek(ubyte,@nibbles(&B0100)) add peek(ubyte,@nibbles(&B1001)) add peek(ushort,@index))) gt peek(ubyte,@nibbles(&B0001)) shl peek(ubyte,@nibbles(&B0100)) add peek(ubyte,@nibbles(&B1111)), peek(double,@kernal( peek(ubyte,@nibbles(&B0100)) shl peek(ubyte,@nibbles(&B1000)) add peek(ubyte,@nibbles(&B1000)) shl peek(ubyte,@nibbles(&B0100)) add peek(ubyte,@nibbles(&B1001)) add peek(ushort,@index))) lt peek(ubyte,@nibbles(&B0100))) jmp L19
poke ushort,@index, peek(ushort,@index) add peek(ubyte,@nibbles(&B0001))
cmp peek(ushort,@index) ls len(mem) jmp L17
jmp L20
L18:
' $460(1120) $460(1120)
poke double,@kernal( peek(ubyte,@nibbles(&B0100)) shl peek(ubyte,@nibbles(&B1000)) add peek(ubyte,@nibbles(&B0110)) shl peek(ubyte,@nibbles(&B0100)) add peek(ushort,@index)), peek(double,@kernal(nibbles(&B0100) shl peek(ubyte,@nibbles(&B1000)) add peek(ubyte,@nibbles(&B0110)) shl peek(ubyte,@nibbles(&B0100)) add peek(ushort,@index)) add peek(ubyte,@nibbles(&B0010)) shl peek(ubyte,@nibbles(&B0100)))
jmp L17
L19:
' $489(1161) $489(1161)
poke double,@kernal( peek(ubyte,@nibbles(&B0100)) shl peek(ubyte,@nibbles(&B1000)) add peek(ubyte,@nibbles(&B1000)) shl peek(ubyte,@nibbles(&B0100)) add peek(ubyte,@nibbles(&B1001)) add peek(ushort,@index)), peek(double,@kernal( peek(ubyte,@nibbles(&B0100)) shl peek(ubyte,@nibbles(&B1000)) add peek(ubyte,@nibbles(&B1000)) shl peek(ubyte,@nibbles(&B0100)) add peek(ubyte,@nibbles(&B1001)) add peek(ushort,@index)) add peek(ubyte,@nibbles(&B0010)) shl peek(ubyte,@nibbles(&B0100)))
jmp L17
' 0F 0E 0D 0C 0B 0A 09 08 07 06 05 04 03 02 01 00
' 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
'1111 1110 1101 1100 1011 1010 1001 1000 0111 0110 0101 0100 0011 0010 0001 0000
' 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
L20:
' $48F(1167) $490(1168)
poke double,@kernal( peek(ubyte,@nibbles(&B0100)) shl peek(ubyte,@nibbles(&B1000)) add peek(ubyte,@nibbles(&B1000)) shl peek(ubyte,@nibbles(&B0100)) add peek(ubyte,@nibbles(&B1111))), peek(ubyte,@nibbles(&B0010)) shl peek(ubyte,@nibbles(&B0100)): poke double,@kernal( peek(ubyte,@nibbles(&B0100)) shl peek(ubyte,@nibbles(&B1000)) add peek(ubyte,@nibbles(&B1001)) shl peek(ubyte,@nibbles(&B0100))), peek(ubyte,@nibbles(&B1000)) shl peek(ubyte,@nibbles(&B0100)) add peek(ubyte,@nibbles(&B0110))
' $491(1169) $492(1170)
poke double,@kernal(peek(ubyte,@nibbles(&B0100)) shl peek(ubyte,@nibbles(&B1000)) add &B1001 shl &B0100 add &B0001), peek(ubyte,@nibbles(&B0011)) shl peek(ubyte,@nibbles(&B0100)) add peek(ubyte,@nibbles(&B0010)): poke double,@kernal(&H492), peek(ubyte,@nibbles(&B0010)) shl peek(ubyte,@nibbles(&B0100))
' $493(1171)
poke double,@kernal(&H493), peek(ubyte,@nibbles(&B0010)) shl peek(ubyte,@nibbles(&B0100)) add peek(ubyte,@nibbles(&B1010))
mov(mem, " RAM SYSTEM")
mov(index,nibbles(&B0001))
L21:
mov(kernal(&H49E add index), asc(mid(mem,index, nibbles(&B0001))))
cmp logic_and(kernal(&H495 add index) gt nibbles(&B1111), kernal(&H495 add index) lt bytes(&B0100) shl nibbles(&B0100)) jmp L22
L22:
mov(index add, nibbles(&B0001))
cmp index ls len(mem) jmp L21
jmp L23a
L23:
mov(kernal(&H495 add index),kernal(&H495 add index) add nibbles(&B0010) shl nibbles(&B0100))
jmp L22
L23a:
/'
mov(mem, "READY") 'Patch BASIC "READY." message
for in range(mov(a, 1d), len(mem))
mov(basic(&H377 add a), asc(mid(mem,a,1d)) add &H20)
next a
'/
'64-bit memory detection
'.:E47B 2A 2A (mem) 47 42 4D 4D 4F (cr) (cr) (mem)gb ram system
/'
mov(mem, str(int(fre(mem64(0d)) idiv 1024d expt 3d)))
select case len(mem)
case 1
mov(kernal(&H49B), asc(mem))
mov(kernal(&H49C), &H47): mov(kernal(&H49D), &H42)
case 2
mov(kernal(&H49B), asc(mid(mem,1d,1d)))
mov(kernal(&H49C), asc(mid(mem,2d,1d)))
mov(kernal(&H49D), &H47): mov(kernal(&H49E), &H42)
mov(mem, " RAM SYSTEM")
for in range(mov(a, 1d), len(mem))
mov(kernal(&H49E add a), asc(mid(mem,a,1d)) add &H20)
next a
mov(kernal(&H49F), &H20): mov(kernal(&H4A3), &H20) ' Replace "@" at E49F and E4A3 with " ".
end select
'/
'64-bit memory detection
'.:E47B 2A 2A (mem) 47 42 4D 4D 4F (cr) (cr) (mem)gb ram system
mov(mem, str(int(fre(mem64(bytes(&H00000000))) idiv &B0000010000000000 expt bytes(&B00000011))))
cmp len(mem) eq bytes(&B00000001) jmp L24
cmp len(mem) eq bytes(&B00000010) jmp L25
L24:
' $49B(1179)
mov(kernal(xwords(&B0000010010011011)), asc(mem))
' $49C(1180) $49D(1181)
mov(kernal(xwords(&B0000010010011100)), bytes(&B01000111)): mov(kernal(xwords(&B0000010010011101)), bytes(&B01000010))
jmp L27
L25:
' $49B(1179)
mov(kernal(xwords(&B0000010010011011)), asc(mid(mem,bytes(&B00000001), bytes(&B00000001))))
' $49C(1180)
mov(kernal(xwords(&B0000010010011100)), asc(mid(mem,bytes(&B00000010), bytes(&B00000001))))
' $49D(1181) $49E(1182)
mov(kernal(xwords(&B0000010010011101)), bytes(&B01000111)): mov(kernal(xwords(&B0000010010011110)), bytes(&B01000010))
mov(mem, " RAM SYSTEM")
mov(index,bytes(&B00000001))
L26:
' $49E(1182)
mov(kernal(xwords(&B0000010010011110) add index), asc(mid(mem,index,bytes(&B00000001))))
mov(index add, bytes(&B00000001))
cmp index ls len(mem) jmp L26
' $49F(1183)
mov(kernal(xwords(&B0000010010011111)), bytes(&B00100000)) ' Replace "@" at E49F with " ".
' $4A3(1187)
mov(kernal(xwords(&B0000010010100011)), bytes(&B00100000)) ' Replace "@" at E4A3 with " ".
jmp L27
L27:
' $535(1333)
mov(kernal(xwords(&B0000010100110101)), bytes(&B11111010)) '.,E534 A9 FA LDA #$FA ;set default text color to FA(Apple ][ Green)
' $CD9(3289)
mov(kernal(xwords(&B0000110011011001)), bytes(&B11111111)) '.:ECD9 FF ;set default border color to FF(Black)
' $CDA(3290)
mov(kernal(xwords(&B0000110011011010)), bytes(&B11111111)) '.:ECDA FF ;set default background color to FF(Black) /'
/'
kernal(&H506) = &H50 'get the x size
kernal(&H598) = &H3C 'get the y size
kernal(&H551) = &H50 'add the line length to the low byte
kernal(&H557) = &H3D 'compare it with the number of lines + 1
kernal(&H55F) = &H3B 'set the line count, 60 lines to do, 0 to 59
kernal(&H576) = &H50 'add one line length
kernal(&H580) = &H49 'set the line length
kernal(&H588) = &H50 'add one line length to the current line length
'/
end constructor
destructor MEMORY_T
dprint("MEMORY_T~")
end destructor
proc MEMORY_T.screencode (byval code as double) as double
select case chr(code)
case " ": mov(proc, &H20)
case "!": mov(proc, &H21)
case chr(22): mov(proc, &H22)
case "#": mov(proc, &H23)
case "$": mov(proc, &H24)
case "%": mov(proc, &H25)
case "&": mov(proc, &H26)
case "'": mov(proc, &H27)
case "(": mov(proc, &H28)
case ")": mov(proc, &H29)
case "*": mov(proc, &H2A)
case "+": mov(proc, &H2B)
case ",": mov(proc, &H2C)
case "-": mov(proc, &H2D)
case ".": mov(proc, &H2E)
case "/": mov(proc, &H2F)
case "0": mov(proc, &H30)
case "1": mov(proc, &H31)
case "2": mov(proc, &H32)
case "3": mov(proc, &H33)
case "4": mov(proc, &H34)
case "5": mov(proc, &H35)
case "6": mov(proc, &H36)
case "7": mov(proc, &H37)
case "8": mov(proc, &H38)
case "9": mov(proc, &H39)
case ":": mov(proc, &H3A)
case ";": mov(proc, &H3B)
case "<": mov(proc, &H3C)
case "=": mov(proc, &H3D)
case ">": mov(proc, &H3E)
case "?": mov(proc, &H3F)
case "@": mov(proc, &H00)
case "A": mov(proc, &H01)
case "B": mov(proc, &H02)
case "C": mov(proc, &H03)
case "D": mov(proc, &H04)
case "E": mov(proc, &H05)
case "F": mov(proc, &H06)
case "G": mov(proc, &H07)
case "H": mov(proc, &H08)
case "I": mov(proc, &H09)
case "J": mov(proc, &H0A)
case "K": mov(proc, &H0B)
case "L": mov(proc, &H0C)
case "M": mov(proc, &H0D)
case "N": mov(proc, &H0E)
case "O": mov(proc, &H0F)
case "P": mov(proc, &H10)
case "Q": mov(proc, &H11)
case "R": mov(proc, &H12)
case "S": mov(proc, &H13)
case "T": mov(proc, &H14)
case "U": mov(proc, &H15)
case "V": mov(proc, &H16)
case "W": mov(proc, &H17)
case "X": mov(proc, &H18)
case "Y": mov(proc, &H19)
case "Z": mov(proc, &H1A)
case "[": mov(proc, &H1B)
case "\": mov(proc, &H1C)
case "]": mov(proc, &H1D)
case "^": mov(proc, &H1E)
case "_": mov(proc, &H1F)
case chr(96): mov(proc, &H80)
case "a": mov(proc, &H81)
case "b": mov(proc, &H82)
case "c": mov(proc, &H83)
case "d": mov(proc, &H84)
case "e": mov(proc, &H85)
case "f": mov(proc, &H86)
case "g": mov(proc, &H87)
case "h": mov(proc, &H88)
case "i": mov(proc, &H89)
case "j": mov(proc, &H8A)
case "k": mov(proc, &H8B)
case "l": mov(proc, &H8C)
case "m": mov(proc, &H8D)
case "n": mov(proc, &H8E)
case "o": mov(proc, &H8F)
case "p": mov(proc, &H90)
case "q": mov(proc, &H91)
case "r": mov(proc, &H92)
case "s": mov(proc, &H93)
case "t": mov(proc, &H94)
case "u": mov(proc, &H95)
case "v": mov(proc, &H96)
case "w": mov(proc, &H97)
case "x": mov(proc, &H98)
case "y": mov(proc, &H99)
case "z": mov(proc, &H9A)
case "{": mov(proc, &H9B)
case "|": mov(proc, &H9C)
case "}": mov(proc, &H9D)
case "~": mov(proc, &H9E)
end select
end proc
proc MEMORY_T.peekb(byval adr as double) as double
mov(proc,mem64(adr))
end proc
proc MEMORY_T.peekw(byval adr as double) as double
mov(proc,logic_or(peekb(adr),peekb(adr add 1) shl 8))
end proc
def MEMORY_T.pokeb(byval adr as double, byval v as double)
mem64(adr)=v
select case adr
' r0 r0
case &H000000001: mov(mem64(49361d),v) ' move mem64(49361d), v
' r1 r1
case &H000000002: mov(mem64(49362d),v) ' move mem64(49362d), v
' r2 r2
case &H000000003: mov(mem64(49363d),v) ' move mem64(49363d), v
' r0 r1 r0 r1
case &H000000004: mov(mem64(49361d),mem64(49362d)) ' move mem64(49361d), mem64(49362d)
' r0 r2 r0 r2
case &H000000005: mov(mem64(49361d),mem64(49363d)) ' move mem64(49361d), mem64(49363d)
' r1 r0 r1 r0
case &H000000006: mov(mem64(49362d),mem64(49361d)) ' move mem64(49362d), mem64(49361d)
' r1 r2 r1 r0
case &H000000007: mov(mem64(49362d),mem64(49363d)) ' move mem64(49362d), mem64(49363d)
' r2 r0 r2 r0
case &H000000008: mov(mem64(49363d),mem64(49361d)) ' move mem64(49363d), mem64(49361d)
' r2 r1 r2 r1
case &H000000009: mov(mem64(49363d),mem64(49362d)) ' move mem64(49363d), mem64(49362d)
' pc r0 pc r0
case &H00000000A: mov(mem64(49418d),mem64(49361d)) ' move mem64(49418d), mem64(49361d)
' pc r1 pc r1
case &H00000000B: mov(mem64(49418d),mem64(49362d)) ' move mem64(49418d), mem64(49362d)
' pc r2 pc r2
case &H00000000C: mov(mem64(49418d),mem64(49363d)) ' move mem64(49418d), mem64(49363d)
' adr0 r0 adr0 r0
case &H00000000D: mov(mem64(49425d),mem64(49361d)) ' move mem64(49425d), mem64(49361d)
' adr0 r1 adr0 r1
case &H00000000E: mov(mem64(49425d),mem64(49362d)) ' move mem64(49425d), mem64(49362d)
' adr0 r2 adr0 r2
case &H00000000F: mov(mem64(49425d),mem64(49363d)) ' move mem64(49425d), mem64(49363d)
' adr1 r0 adr1 r0
case &H000000010: mov(mem64(49432d),mem64(49361d)) ' move mem64(49432d), mem64(49361d)
' adr1 r1 adr1 r1
case &H000000011: mov(mem64(49432d),mem64(49362d)) ' move mem64(49432d), mem64(49362d)
' adr1 r2 adr1 r2
case &H000000012: mov(mem64(49432d),mem64(49363d)) ' move mem64(49432d), mem64(49363d)
' adr3 r0 adr3 r0
case &H000000013: mov(mem64(49446d),mem64(49361d)) ' move mem64(49446d), mem64(49361d)
' adr3 r1 adr3 r1
case &H000000014: mov(mem64(49446d),mem64(49362d)) ' move mem64(49446d), mem64(49362d)
' adr3 r2 adr3 r2
case &H000000015: mov(mem64(49446d),mem64(49363d)) ' move mem64(49446d), mem64(49363d)
' red r0 red r0
case &H000000016: mov(mem64(49154d),mem64(49361d)) ' move mem64(49154d), mem64(49361d)
' red r0 red r0
case &H000000017: mov(mem64(49154d),mem64(49361d)) ' move mem64(49154d), mem64(49361d)
' red r0 red r0
case &H000000018: mov(mem64(49154d),mem64(49361d)) ' move mem64(49154d), mem64(49361d)
' green r0 green r0
case &H000000019: mov(mem64(49155d),mem64(49361d)) ' move mem64(49155d), mem64(49361d)
' green r0 green r0
case &H00000001A: mov(mem64(49155d),mem64(49361d)) ' move mem64(49155d), mem64(49361d)
' green r0 green r0
case &H00000001B: mov(mem64(49155d),mem64(49361d)) ' move mem64(49155d), mem64(49361d)
' blue r0 blue r0
case &H00000001C: mov(mem64(49156d),mem64(49361d)) ' move mem64(49156d), mem64(49361d)
' blue r0 blue r0
case &H00000001D: mov(mem64(49156d),mem64(49361d)) ' move mem64(49156d), mem64(49361d)
' blue r0 blue r0
case &H00000001E: mov(mem64(49156d),mem64(49361d)) ' move mem64(49156d), mem64(49361d)
' alpha r0 alpha r0
case &H00000001F: mov(mem64(49157d),mem64(49361d)) ' move mem64(49157d), mem64(49361d)
' alpha r0 alpha r0
case &H000000020: mov(mem64(49157d),mem64(49361d)) ' move mem64(49157d), mem64(49361d)
' alpha r0 alpha r0
case &H000000021: mov(mem64(49157d),mem64(49361d)) ' move mem64(49157d), mem64(49361d)
' x0 r0 x0 r0
case &H000000022: mov(mem64(49355d),mem64(49361d)) ' move mem64(49355d), mem64(49361d)
' x1 r0 x1 r0
case &H000000023: mov(mem64(49358d),mem64(49361d)) ' move mem64(49358d), mem64(49361d)
' y0 r0 y0 r0
case &H000000024: mov(mem64(49356d),mem64(49361d)) ' move mem64(49356d), mem64(49361d)
' y1 r0 y1 r0
case &H000000025: mov(mem64(49359d),mem64(49361d)) ' move mem64(49359d), mem64(49361d)
' z0 r0 z0 r0
case &H000000026: mov(mem64(49357d),mem64(49361d)) ' move mem64(49357d), mem64(49361d)
' z1 r0 z1 r0
case &H000000027: mov(mem64(49360d),mem64(49361d)) ' move mem64(49360d), mem64(49361d)