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A2osX/BIN/ASM.S.txt
Rémy GIBERT ee7b606612 Kernel 0.94++
2021-05-19 14:44:47 +02:00

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NEW
AUTO 3,1
.LIST OFF
.OP 65C02
.OR $2000
.TF bin/asm
*---------------------------------------
ASMDBG .EQ 0
*---------------------------------------
PAGE.LEN .EQ 23
DO.MAXDEPTH .EQ 8
IN.MAXDEPTH .EQ 4
MA.MAXDEPTH .EQ 8
*---------------------------------------
.INB inc/macros.i
.INB inc/a2osx.i
.INB inc/mli.i
.INB inc/mli.e.i
*---------------------------------------
.DUMMY
.OR ZPBIN
ZS.START
ZPTmpBuf .BS 2
ZPLineBuf .BS 2
ZPLinePtr .BS 2
ZPSymbolBuf .BS 2
ZPAMPtr .BS 2
ZPRPtr .BS 2
ZPOpsPtr .BS 2
ZPOpDefPtr .BS 2
ZPMacroStk .BS 2
ZPMacroBuf .BS 2
ZPMacroArgBuf .BS 2
ZPMacroArgCnt .BS 1
DIR.Byte .BS 1
DIR.Word .BS 2
ZPPtr1 .BS 2
ZPPtr2 .BS 2
ZS.END .ED
*---------------------------------------
* Symbols
*---------------------------------------
SYMG.F .EQ 0
SYMG.F.RW .EQ %10000000
SYMG.F.EQU .EQ %01000000
SYMG.F.LOCALS .EQ %00100000
SYMG.F.FWREF .EQ %00010000
SYMG.SIZE .EQ 1 1,2,3,4
SYMG.V .EQ 2 DWORD
*
SYMG .EQ 6
*---------------------------------------
SYML.ID .EQ 0 1..255
SYML.CtxID .EQ 1 0 if local, !0 if private
SYML.V .EQ 2 DWORD
*
SYML .EQ 6
*---------------------------------------
ASM.T.AM .EQ 0
ASM.T.R .EQ 2
ASM.T.O .EQ 4
*---------------------------------------
E.SYNTAX.ERROR .EQ $A0
E.SYM.TOO.LONG .EQ $A1
E.VAL.TOO.BIG .EQ $A2
E.LINE.TOO.LONG .EQ $A3
E.INV.LABEL .EQ $A4
E.INV.DIR .EQ $A5
E.ILLEGAL.DIR .EQ $A6
E.INV.OPCODE .EQ $A7
E.INV.AM.SYN .EQ $A8
E.INV.AM .EQ $A9
E.INV.AM.4.OC .EQ $AA
E.RANGE .EQ $AB
E.UNDEF.SYMBOL .EQ $AC
E.SYMBOL.REDEF .EQ $AD
E.TOO.MANY.DO .EQ $AE
E.ELSE.WITHOUT.DO .EQ $AF
E.TOO.MANY.LOCAL .EQ $B0
E.MISSING.EXP .EQ $B1
E.EXP.SYN.ERROR .EQ $B2
E.MACRO.INV.DEF .EQ $B3
E.MACRO.TOO.BIG .EQ $B4
E.MACRO.INV .EQ $B5
E.MACRO.TOO.MANY .EQ $B6
*
E.OUT.OF.SYNC .EQ $B8
E.INV.SYM .EQ $B9
E.INV.ARGS .EQ $BA
E.INV.CPU.FILE .EQ $BC
E.SRC.INV.TYPE .EQ $BD
E.SRC.TOO.MANY.IN .EQ $BE
E.SRC.UNEXP.EOF .EQ $BF
*--------------------------------------
* File Header (16 Bytes)
*--------------------------------------
CS.START cld
jmp (.1,x)
.DA #$61 6502,Level 1 (65c02)
.DA #1 BIN Layout Version 1
.DA #0 S.PS.F.EVENT
.DA #0
.DA CS.END-CS.START CS
.DA DS.END-DS.START DS
.DA #64 SS
.DA #ZS.END-ZS.START 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.CRLF .DA MSG.CRLF
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.PASS .DA MSG.PASS
L.MSG.LINENUM .DA MSG.LINENUM
L.MSG.ERROR .DA MSG.ERROR
L.MSG.SYMBOLS .DA MSG.SYMBOLS
L.MSG.LSYMBOL .DA MSG.LSYMBOL
L.MSG.PSYMBOL .DA MSG.PSYMBOL
L.MSG.SUMMARY .DA MSG.SUMMARY
L.MSG.END .DA MSG.END
.DO ASMDBG=1
L.MSG.DBG .DA MSG.DBG
.FIN
L.MSG.SRC.FILE .DA MSG.SRC.FILE
L.MSG.OBJ.FILE .DA MSG.OBJ.FILE
L.MSG.CPU.FILE .DA MSG.CPU.FILE
L.SRC.AM.StrBuf .DA SRC.AM.StrBuf
L.ASM.6502 .DA ASM.6502
L.ASM.CPU.FILE .DA ASM.CPU.FILE
L.SRC.ACC.SIZE .DA SRC.ACC.SIZE
L.SRC.ACC .DA SRC.ACC
L.SRC.ARG .DA SRC.ARG
L.T.DIRECTIVES .DA T.DIRECTIVES
J.DIRECTIVES .DA DIR.AC 0
.DA DIR.AS
.DA DIR.AT
.DA DIR.AZ
.DA DIR.BS
.DA DIR.DA
.DA DIR.DO 12
.DA DIR.DU
.DA DIR.DU
.DA DIR.ED
.DA DIR.EL 20
.DA DIR.EM
.DA DIR.EN
.DA DIR.EP
.DA DIR.EQ
.DA DIR.FI 30
.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 clc
rts
*--------------------------------------
CS.RUN jsr CS.RUN.ARGS
bcs .9
jsr FIO.Init
bcs .9
jsr SYM.Init
bcs .9
jsr MAC.Init
bcs .9
jsr OUT.Init
bcs .9
.1 >SLEEP
jsr CS.RUN.LOOP
bcc .1
.9 rts
*--------------------------------------
CS.RUN.LOOP ldy #S.PS.hStdIn
lda (pPS),y
>SYSCALL FEOF
bcs .99
tay
bne .13
>SYSCALL GetChar
bcs .99
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
bpl .11
clc
.99 rts
.11 >STZ.G bPause
.12 >LDA.G SRC.Depth root file is already opened?
bne .10
>PUSHW L.MSG.PASS
>LDA.G ASM.PASS
inc
>PUSHA
>PUSHBI 1
jsr OUT.Print
>LDA.G SRC.hFILENAME
>SYSCALL GetMemPtr
jsr FIO.OpenFile
bcs .99
jsr DIR.Reset
>STZ.G MAC.StkPtr
>STZ.G SYM.BufPtr
.10 >LDYA ZPLineBuf
>STYA ZPLinePtr
>LDA.G MAC.StkPtr
beq .20
.15 jsr MAC.ReadLine
bcc .2
cmp #E.EMPTYKEY
bne .9
jsr MAC.Pop
bne .15
.20 jsr FIO.ReadLine
bcc .2
cmp #MLI.E.EOF End Of File?
bne .9
jsr FIO.FileClose
>LDA.G SRC.Depth end of root file ?
bne .8 no continue back to previous file
jsr SYM.StoreGlobal Make sure last Global flushed
bcs .9
>LDA.G ASM.PASS End of pass #2 ??
bne .1
inc
sta (pData),y
clc
rts
.1 jsr SYM.Dump
>LDYA L.MSG.END
>SYSCALL PutS
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
.DO ASMDBG=1
jsr SYM.Dump.1
.FIN
pla
sec
rts
*--------------------------------------
CS.RUN.ARGS ldy #S.PS.ARGC
lda (pPS),y
beq .90
.1 inc ZPPtr1
lda ZPPtr1
>SYSCALL ArgV
bcs .8
>STYA ZPPtr2
lda (ZPPtr2)
cmp #'-'
beq .2
>PUSHW ZPPtr2
>PUSHWI 0 Allocate
>SYSCALL RealPath
bcs .99
txa
>STA.G SRC.hFILENAME
bra .1
.2 ldy #1
lda (ZPPtr2),y
cmp #'L'
bne .3
lda #$ff
>STA.G bListAll
bra .1
.3 cmp #'T'
bne .90
inc ZPPtr1
lda ZPPtr1
>SYSCALL ArgV
bcs .90
lda ZPPtr1
>STA.G ArgDstFile
bra .1
.8 >LDA.G SRC.hFILENAME
beq .90
clc
rts
.90 >PUSHW L.MSG.HELP
>PUSHBI 0
>SYSCALL PrintF
lda #E.INV.ARGS
sec
.99 rts
*--------------------------------------
CS.DOEVENT sec
rts
*--------------------------------------
CS.QUIT >LDA.G SRC.Depth
beq .1
jsr FIO.FileClose
bra CS.QUIT
.1 >LDA.G DST.hREFNUM
beq .2
>SYSCALL FClose
.2 jsr MAC.Quit
jsr SYM.Quit
ldy #ASM.hCPUFILE
jsr .7
ldy #SRC.hFILENAME
jsr .7
ldy #DST.hFILENAME
jsr .7
ldy #SRC.hLineBuf
jsr .7
ldy #SRC.hTmpBuf
.7 lda (pData),y
beq .8
>SYSCALL FreeMem
.8 clc
rts
*---------------------------------------
.INB usr/src/bin/asm.s.dir
.INB usr/src/bin/asm.s.exp
.INB usr/src/bin/asm.s.fio
.INB usr/src/bin/asm.s.mac
.INB usr/src/bin/asm.s.out
.INB usr/src/bin/asm.s.src
.INB usr/src/bin/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
*---------------------------------------
SRC.MOD.RESERVED >PSTR "#/^<>"
SRC.EXP.RESERVED >PSTR "^!|&<=>+-*/"
SRC.AM.RESERVED >PSTR "[](),"
*---------------------------------------
DIR.SYS .AZ "SYS"
*---------------------------------------
ASM.6502 .AZ "6502"
MSG.HELP .AS "A2osX-Macro Assembler (S-C MASM 3.0 Based)\r\n"
.AS "Usage : ASM <src file> [type TXT ($04) or S-C/BAS ($FA)]\r\n"
.AS " -L : Override .LIST (C,M,X)OFF\r\n"
.AS " -T <target file> : Override .TF directive"
MSG.CRLF .AZ "\r\n"
MSG.PASS .AZ "**** Pass:#%d"
MSG.SRC.FILE .AZ "**** Reading SRC File:%s"
MSG.OBJ.FILE .AZ "**** Writing OBJ File:%s, Type=%02x"
MSG.CPU.FILE .AZ "**** Loading CPU File:%s"
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.LINENUM .AZ " %05D "
MSG.ERROR .AZ "**** Fatal Error $%h"
MSG.SYMBOLS .AZ "**** Symbol Table:"
MSG.LSYMBOL .AZ " .%d=%h%h%h%h"
MSG.PSYMBOL .AZ " :%d(%d)=%h%h%h%h"
MSG.SUMMARY .AZ "\r\n**** Symbol Table Size : %5D Bytes.\r\n"
MSG.END .AZ "**** End Of Assembly."
.DO ASMDBG=1
MSG.DBG .AZ "\r\nCtxID=%d, ARG=%H%H <op> ACC=%H%H -> ACC %b [%h]\r\n"
.FIN
*---------------------------------------
ASM.CPU.FILE .BS 65
SRC.ACC.F .BS 1
SRC.ACC.SIZE .BS 1
SRC.ACC .BS 4
SRC.ARG.F .BS 1
SRC.ARG .BS 4
SRC.ACCTMP .BS 4
SRC.AM.StrBuf .BS 32
*--------------------------------------
.DUMMY
.OR 0
DS.START
bPause .BS 1
bListAll .BS 1
ArgDstFile .BS 1
SRC.hFILENAME .BS 1
SRC.hLineBuf .BS 1
SRC.hTmpBuf .BS 1
SRC.Depth .BS 1
SRC.hFILES .BS IN.MAXDEPTH
SRC.hFILETYPES .BS IN.MAXDEPTH
SRC.LINENUM .BS 2
SRC.AMID .BS 1
ASM.hCPUFILE .BS 1
DST.hFILENAME .BS 1
DST.hREFNUM .BS 1
DST.AUXTYPE .BS 2
EXP.Modifier .BS 1
EXP.Prefix .BS 1
EXP.Operator .BS 1
ASM.PASS .BS 1
ASM.DO.StackPtr .BS 1
ASM.DO.Stack .BS DO.MAXDEPTH
ASM.DU.ON .BS 1
ASM.PH.ON .BS 1
ASM.LI.ON .BS 1
ASM.LI.CON .BS 1
ASM.LI.MON .BS 1
ASM.LI.XON .BS 1
ASM.MA.ON .BS 1
ASM.PC .BS 4
ASM.PC.PH .BS 4
ASM.PC.DU .BS 4
SYM.hList .BS 1
SYM.hBuf .BS 1
SYM.BufPtr .BS 1
SYM.ID .BS 2
MAC.hList .BS 1
MAC.hBuf .BS 1
MAC.BufPtr .BS 1
MAC.ID .BS 2
MAC.hStk .BS 1
MAC.StkPtr .BS 1
MAC.hArgBuf .BS 1
MAC.CtxID .BS 1
MAC.CtxNextID .BS 1
MAC.CtxStackPtr .BS 1
MAC.CtxStack .BS MA.MAXDEPTH
OUT.PC .BS 4
OUT.Buf .BS 4
OUT.bEquate .BS 1
OUT.LineCnt .BS 1
DS.END .ED
*---------------------------------------
.DO DS.END-DS.START>$FF
ERROR:DS too big
.FIN
*---------------------------------------
MAN
SAVE usr/src/bin/asm.s
ASM
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