A2osX/BIN/ASM.S.txt

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NEW
PREFIX /A2OSX.BUILD
AUTO 4,1
.LIST OFF
.OP 65C02
.OR $2000
.TF /A2OSX.BUILD/BIN/DEV/ASM
*---------------------------------------
.INB /A2OSX.BUILD/INC/MACROS.I
.INB /A2OSX.BUILD/INC/A2OSX.I
*---------------------------------------
ZPPtr1 .EQ ZPBIN
ZPPtr2 .EQ ZPBIN+2
ZPLineBuf .EQ ZPBIN+4
ZPLinePtr .EQ ZPBIN+6
ZPNameBuf .EQ ZPBIN+8
ZPGlobalBuf .EQ ZPBIN+10
ZPLookupBuf .EQ ZPBIN+12
ZPMacroBuf .EQ ZPBIN+14
ZPCtxBuf .EQ ZPBIN+16
ZPAMPtr .EQ ZPBIN+18
ZPRPtr .EQ ZPBIN+20
ZPOpsPtr .EQ ZPBIN+22
ZPOpDefPtr .EQ ZPBIN+24
ZPTmpBuf .EQ ZPBIN+16
*---------------------------------------
SYMG.LEN .EQ 0
SYMG.F .EQ 1
SYMG.F.RW .EQ %10000000
SYMG.F.SIZE .EQ %00000111
SYMG.V .EQ 2
*
SYMG.SIZE .EQ 5
*---------------------------------------
SYML.ID .EQ 0
SYML.V .EQ 1
*
SYML.SIZE .EQ 5
*---------------------------------------
MCTX.LEN .EQ 0
MCTX.PTR .EQ 1
MCTX.ID .EQ 2
MCTX.ARGS .EQ 4
*---------------------------------------
ASM.T.AM .EQ 0
ASM.T.R .EQ 2
ASM.T.O .EQ 4
*---------------------------------------
DO.MAXDEPTH .EQ 8
IN.MAXDEPTH .EQ 7
MA.MAXDEPTH .EQ 8
*---------------------------------------
ERR.INV.ARGS .EQ $80
ERR.INV.T.FILE .EQ $81
ERR.SRC.INV.TYPE .EQ $90
ERR.SRC.TOO.MANY.IN .EQ $91
ERR.SRC.UNEXP.EOF .EQ $92
ERR.SYNTAX.ERROR .EQ $A0
ERR.SYM.TOO.LONG .EQ $A1
ERR.VAL.TOO.BIG .EQ $A2
ERR.LINE.TOO.LONG .EQ $A3
ERR.INV.LABEL .EQ $A4
ERR.INV.DIR .EQ $A5
ERR.INV.OPCODE .EQ $A6
ERR.INV.AM.SYN .EQ $A7
ERR.INV.AM .EQ $A8
ERR.INV.AM.4.OC .EQ $A9
ERR.RANGE .EQ $AA
ERR.UNDEF.SYMBOL .EQ $AB
ERR.SYMBOL.REDEF .EQ $AC
ERR.TOO.MANY.DO .EQ $AD
ERR.ELSE.WITHOUT.DO .EQ $AE
ERR.TOO.MANY.LOCAL .EQ $AF
ERR.MISSING.EXP .EQ $B0
ERR.EXP.SYN.ERROR .EQ $B1
ERR.MACRO.INV.DEF .EQ $E0
ERR.MACRO.TOO.BIG .EQ $E1
ERR.MACRO.INV .EQ $E2
ERR.MACRO.TOO.MANY .EQ $E3
*--------------------------------------
* File Header (16 Bytes)
*--------------------------------------
CS.START cld
jmp (.1,x)
.DA #$61 6502,Level 1 (65c02)
.DA #1 BIN Layout Version 1
.DA 0
.DA CS.END-CS.START CS
.DA DS.END-DS.START DS
.DA #0 SS
.DA #32 ZP
.DA 0
*--------------------------------------
* Relocation Table
*--------------------------------------
.1 .DA CS.INIT
.DA CS.RUN
.DA CS.DOEVENT
.DA CS.QUIT
L.MSG.HELP .DA MSG.HELP
L.MSG.OUT0 .DA MSG.OUT0
.DA MSG.OUT1
.DA MSG.OUT2
.DA MSG.OUT3
L.MSG.EQU0 .DA MSG.EQU0
.DA MSG.EQU1
.DA MSG.EQU2
.DA MSG.EQU3
.DA MSG.EQU4
L.MSG.LSYMBOL .DA MSG.LSYMBOL
L.MSG.SRCLINE .DA MSG.SRCLINE
L.MSG.ERROR .DA MSG.ERROR
L.MSG.SYMBOLS .DA MSG.SYMBOLS
L.MSG.PSTRCRLF .DA MSG.PSTRCRLF
L.MSG.PSTR .DA MSG.PSTR
L.MSG.CRLF .DA MSG.CRLF
L.MSG.SUMMARY .DA MSG.SUMMARY
L.MSG.PASS .DA MSG.PASS
L.MSG.SRC.FILE .DA MSG.SRC.FILE
L.MSG.OBJ.FILE .DA MSG.OBJ.FILE
L.MSG.T.FILE .DA MSG.T.FILE
L.SRC.AM.StrBuf .DA SRC.AM.StrBuf
L.ASM.6502 .DA ASM.6502
L.ASM.T.FILENAME .DA ASM.T.FILENAME
L.FIO.Stat .DA FIO.Stat
L.T.DIRECTIVES .DA T.DIRECTIVES
J.DIRECTIVES .DA DIR.AC
.DA DIR.AS
.DA DIR.AT
.DA DIR.AZ
.DA DIR.BS
.DA DIR.DA
.DA DIR.DO
.DA DIR.DU
.DA DIR.DU
.DA DIR.ED
.DA DIR.EL
.DA DIR.EM
.DA DIR.EN
.DA DIR.EP
.DA DIR.EQ
.DA DIR.FI
.DA DIR.HS
.DA DIR.IN
.DA DIR.IN
.DA DIR.IN
.DA DIR.IN
.DA DIR.IN
.DA DIR.IN
.DA DIR.IN
.DA DIR.IN
.DA DIR.IN
.DA DIR.IN
.DA DIR.IN
.DA DIR.LI
.DA DIR.LI
.DA DIR.MA
.DA DIR.OP
.DA DIR.OR
.DA DIR.PG
.DA DIR.PH
.DA DIR.SE
.DA DIR.TA
.DA DIR.TF
.DA DIR.TI
.DA DIR.US
L.T.LI .DA T.LI
J.LI .DA DIR.LI.ON
.DA DIR.LI.OFF
.DA DIR.LI.CON
.DA DIR.LI.COFF
.DA DIR.LI.MON
.DA DIR.LI.MOFF
.DA DIR.LI.XON
.DA DIR.LI.XOFF
J.EXP.MOD .DA EXP.MOD.8.1 #/^<>
.DA EXP.MOD.8.2
.DA EXP.MOD.8.3
.DA EXP.MOD.24
.DA EXP.MOD.32
J.EXP.OP .DA EXP.OP.EOR ^!|&<=>+-*/
.DA EXP.OP.ORA
.DA EXP.OP.ORA
.DA EXP.OP.AND
.DA EXP.OP.LOW
.DA EXP.OP.EQU
.DA EXP.OP.GRT
.DA EXP.OP.ADD
.DA EXP.OP.SUB
.DA EXP.OP.MUL
.DA EXP.OP.DIV
.DA 0
*---------------------------------------
CS.INIT ldy #S.PS.ARGC
lda (pPs),y
beq .99
lda #1
>SYSCALL GetArg.A
>SYSCALL RealPath.YA
txa
ldy #SRC.hFILENAME
sta (pData),y
jsr FIO.Init
bcs .9
jsr SYM.Init
bcs .9
jsr MAC.Init
bcs .9
jsr OUT.Init
>LDYAI 256
>SYSCALL GetMem.YA
bcs .9
>STYA ZPLineBuf
txa
>STA.G SRC.hLineBuf
>LDYAI 256
>SYSCALL GetMem.YA
bcs .9
>STYA ZPTmpBuf
txa
>STA.G SRC.hTmpBuf
* lda (pPs)
* ora #S.PS.F.EVENT
* sta (pPs)
clc
rts
.99 >LDYA L.MSG.HELP
>SYSCALL PrintF.YA
lda #ERR.INV.ARGS
sec
.9 rts
*--------------------------------------
CS.RUN >SYSCALL GetChar
bcs .13 no char
cmp #$03 Ctrl-C
beq .99 Abort....beq=CS
cmp #$13 Ctrl-S
bne .11
>LDA.G bPause
eor #$ff
sta (pData),y
bpl .12
clc
rts
.13 >LDA.G bPause
bmi .8
.11 >STZ.G bPause
.12 >LDA.G SRC.COUNT root file is already opened?
bne .10
>LDA.G ASM.PASS
inc
>PUSHA
>LDYA L.MSG.PASS
jsr OUT.Print
ldy #SRC.hFILENAME
lda (pData),y
>SYSCALL GetMemPtr.A
jsr FIO.OpenFile
bcs .99
jsr DIR.Reset
jsr SYM.Reset
jsr MAC.Reset
.10 jsr FIO.ReadLine
bcc .2
cmp #$4C End Of File?
bne .9
jsr FIO.FileClose
ldy #SRC.COUNT end of root file ?
lda (pData),y
bne .8 no continue back to previous file
jsr SYM.FlushGlobal Store last Symbol, if any....
bcs .9
>LDA.G ASM.PASS End of pass #2 ??
bne .1
inc
sta (pData),y
clc
.99 rts
.1 jsr SYM.Dump
>PUSHW ZPLinePtr
>LDYA L.MSG.SUMMARY
jsr OUT.Print
lda #0 End of assembly, exit with no error
sec
rts
.2 jsr SRC.ParseLine
bcs .9
jsr OUT.PrintLine
.8 clc
rts
.9 pha
jsr OUT.PrintLineErr
jsr SYM.Dump
pla
sec
rts
*--------------------------------------
CS.DOEVENT sec
rts
*--------------------------------------
CS.QUIT jsr FIO.FileClose
bne CS.QUIT
jsr MAC.Quit
jsr SYM.Quit
>LDA.G ASM.T.hMem
beq .1
>SYSCALL FreeMem.A
.1 >LDA.G SRC.hFILENAME
beq .2
>SYSCALL FreeMem.A
.2 >LDA.G SRC.hLineBuf
beq .3
>SYSCALL FreeMem.A
.3 >LDA.G SRC.hTmpBuf
beq .8
>SYSCALL FreeMem.A
.8 clc
rts
*---------------------------------------
.INB /A2OSX.BUILD/BIN/DEV/ASM.S.DIR
.INB /A2OSX.BUILD/BIN/DEV/ASM.S.EXP
.INB /A2OSX.BUILD/BIN/DEV/ASM.S.FIO
.INB /A2OSX.BUILD/BIN/DEV/ASM.S.MAC
.INB /A2OSX.BUILD/BIN/DEV/ASM.S.OUT
.INB /A2OSX.BUILD/BIN/DEV/ASM.S.SRC
.INB /A2OSX.BUILD/BIN/DEV/ASM.S.SYM
*---------------------------------------
CS.END
T.DIRECTIVES >PSTR "AC"
>PSTR "AS"
>PSTR "AT"
>PSTR "AZ"
>PSTR "BS"
>PSTR "DA"
>PSTR "DO"
>PSTR "DU"
>PSTR "DUMMY"
>PSTR "ED"
>PSTR "ELSE"
>PSTR "EM"
>PSTR "EN"
>PSTR "EP"
>PSTR "EQ"
>PSTR "FIN"
>PSTR "HS"
>PSTR "IN"
>PSTR "INB"
>PSTR "INB1"
>PSTR "INB2"
>PSTR "INB3"
>PSTR "INB4"
>PSTR "INB5"
>PSTR "INB6"
>PSTR "INB7"
>PSTR "INB8"
>PSTR "INB9"
>PSTR "LI"
>PSTR "LIST"
>PSTR "MA"
>PSTR "OP"
>PSTR "OR"
>PSTR "PG"
>PSTR "PH"
>PSTR "SE"
>PSTR "TA"
>PSTR "TF"
>PSTR "TI"
>PSTR "US"
.HS 00
*---------------------------------------
T.LI >PSTR "ON"
>PSTR "OFF"
>PSTR "CON"
>PSTR "COFF"
>PSTR "MON"
>PSTR "MOFF"
>PSTR "XON"
>PSTR "XOFF"
.HS 00
*---------------------------------------
ASM..T. .AZ ".T."
ASM.6502 .AZ "6502"
MSG.HELP .AZ "A2osX-Macro Assembler (S-C MASM 3.0 Based)\r\nUsage : ASM <src file> [type TXT ($04) or S-C/BAS ($FA)]\r\n"
MSG.PASS .AZ "*** Pass:#%d\r\n"
MSG.SRC.FILE .AZ "*** Reading SRC File:%s\r\n"
MSG.OBJ.FILE .AZ "*** Writing OBJ File:%s, Type=%02x\r\n"
MSG.T.FILE .AZ "*** Loading CPU File:%s\r\n"
MSG.OUT0 .AZ "%H- "
MSG.OUT1 .AZ "%H-%h "
MSG.OUT2 .AZ "%H-%h %h "
MSG.OUT3 .AZ "%H-%h %h %h"
MSG.EQU0 .AZ " [ ?]"
MSG.EQU1 .AZ " [ %h]"
MSG.EQU2 .AZ " [ %h%h]"
MSG.EQU3 .AZ " [ %h%h%h]"
MSG.EQU4 .AZ " [%h%h%h%h]"
MSG.LSYMBOL .AZ ", .%d=%h%h%h%h"
MSG.SRCLINE .AZ " %05D %s\r\n"
MSG.ERROR .AZ "*** Fatal Error $%h "
MSG.SYMBOLS .AZ "Symbol Table:\r\n"
MSG.PSTRCRLF .AZ " %S\r\n"
MSG.PSTR .AZ " %S"
MSG.CRLF .AZ " \r\n"
MSG.SUMMARY .AZ "\r\nSymbol Table Size : %5D Bytes.\r\nEnd Of Assembly.\r\n"
SRC.MOD.RESERVED >PSTR "#/^<>"
SRC.EXP.RESERVED >PSTR "^!|&<=>+-*/"
SRC.AM.RESERVED >PSTR "[](),"
*---------------------------------------
ASM.T.FILENAME .BS 65
FIO.Stat .BS S.STAT
SRC.ACC.SIZE .BS 1
SRC.ACC .BS 4
SRC.ARG.SIZE .BS 1
SRC.ARG .BS 4
SRC.ACCTMP .BS 4
SRC.AM.StrBuf .BS 32
*--------------------------------------
.DUMMY
.OR 0
DS.START
bPause .BS 1
SRC.hFILENAME .BS 1
SRC.hLineBuf .BS 1
SRC.hTmpBuf .BS 1
SRC.COUNT .BS 1
SRC.hFILES .BS IN.MAXDEPTH
SRC.hFILETYPES .BS IN.MAXDEPTH
SRC.LINENUM .BS 2
SRC.AMID .BS 1
DST.hFILENAME .BS 1
DST.hREFNUM .BS 1
DST.hBUFFER .BS 1
DST.hFILETYPE .BS 1
DIR.Word .BS 2
DIR.Byte .BS 1
EXP.Modifier .BS 1
EXP.Prefix .BS 1
EXP.Operator .BS 1
ASM.T.hMem .BS 1
ASM.PASS .BS 1
ASM.DO.ON .BS 1
ASM.DO.StackPtr .BS 1
ASM.DO.Stack .BS DO.MAXDEPTH
ASM.DU.ON .BS 1
ASM.PH.ON .BS 1
ASM.LI.ON .BS 1
ASM.LI.CON .BS 1
ASM.LI.MON .BS 1
ASM.LI.XON .BS 1
ASM.MA.ON .BS 1
ASM.MA.StackPtr .BS 1
ASM.MA.Stack .BS MA.MAXDEPTH
ASM.PC .BS 4
ASM.PC.PH .BS 4
ASM.PC.DU .BS 4
SYM.hGlobalList .BS 1
SYM.hNameBuf .BS 1
SYM.hGlobalBuf .BS 1
SYM.GlobalID .BS 2
SYM.hLookupBuf .BS 1
SYM.LocalID .BS 2
MAC.hMacroList .BS 1
MAC.hMacroBuf .BS 1
MAC.hCtxList .BS 1
MAC.hCtxBuf .BS 1
MAC.CtxID .BS 2
OUT.PC .BS 4
OUT.Buf .BS 4
OUT.bEquate .BS 1
OUT.LineCnt .BS 1
DS.END .ED
*---------------------------------------
.DO DS.END-DS.START>$FF
ERROR:DS too big
.FIN
*---------------------------------------
MAN
SAVE /A2OSX.BUILD/BIN/DEV/ASM.S
ASM