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A2osX/BIN/ASM.S.txt
Rémy GIBERT 3cf6dd05a6 Kernel version 0.8 (Initial Commit)
2016-08-17 08:25:58 +02:00

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PR#3
PREFIX /A2OSX.SRC
LOMEM $C00
INC 1
AUTO 6
.LIST OFF
.OP 65C02
.OR $2000
.TF /A2OSX.BOOT/BIN/ASM
*---------------------------------------
.INB INC/MACROS.I
.INB INC/A2OSX.I
.INB INC/LIBSTR.I
*---------------------------------------
ZPPtr1 .EQ ZPBIN
ZPPtr2 .EQ ZPBIN+2
ZPPtr3 .EQ ZPBIN+4
ZPBlockPtr .EQ ZPBIN+6
ZPSymbolPtr .EQ ZPBIN+8
*---------------------------------------
ASM.T.AM .EQ 0
ASM.T.R .EQ 2
ASM.T.O .EQ 4
*---------------------------------------
SRC.DO.MAXDEPTH .EQ 8
SRC.IN.MAXDEPTH .EQ 7
SRC.GLABEL.MAXLEN .EQ 32
*---------------------------------------
SYM.GBLOCK.MAX .EQ 96 96*256=24k
SYM.SBLOCK.MAX .EQ 16 16*256=4k
SYM.PBLOCK.MAX .EQ 32 32*256=8k
SYM.MBLOCK.MAX .EQ 32 32*256=8k
*---------------------------------------
ERR.INV.ARGS .EQ $80
ERR.SRC.INV.TYPE .EQ $90
ERR.SRC.TOO.MANY.IN .EQ $91
ERR.SRC.UNEXP.EOF .EQ $92
ERR.OOM .EQ $93
ERR.SYNTAX.ERROR .EQ $A0
ERR.SYM.TOO.LONG .EQ $A1
ERR.VAL.TOO.BIG .EQ $A2
ERR.LINE.TOO.LONG .EQ $A3
ERR.INVALID.LABEL .EQ $A4
ERR.INVALID.DIRECTIVE .EQ $A5
ERR.INVALID.OPCODE .EQ $A6
ERR.INVALID.AM.SYN .EQ $A7
ERR.INVALID.AM.4.OC .EQ $A8
ERR.RANGE .EQ $A9
ERR.UNDEF.SYMBOL .EQ $AA
ERR.SYMBOL.REDEFINE .EQ $AB
ERR.TOO.MANY.DO .EQ $AC
ERR.MISSING.EXP .EQ $B0
ERR.EXP.SYN.ERROR .EQ $B1
ERR.INVALID.MACRO.DEF .EQ $E0
*--------------------------------------
* 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
.DA DS.END-DS.START Data Segment to Allocate
.DA 0
.DA 0
*--------------------------------------
* Relocation Table
*--------------------------------------
.1 .DA CS.INIT
.DA CS.RUN
.DA CS.DOEVENT
.DA CS.QUIT
L.LIBSTR .DA LIBSTR
L.MSG.HELP1 .DA MSG.HELP1
L.MSG.HELP2 .DA MSG.HELP2
L.MSG.SRCLINE .DA MSG.SRCLINE
L.MSG.ERROR .DA MSG.ERROR
L.MSG.SYMBOLS .DA MSG.SYMBOLS
L.MSG.GSYMBOL .DA MSG.GSYMBOL
L.MSG.LSYMBOL .DA MSG.LSYMBOL
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.SRC.GLabel.Flags .DA SRC.GLabel.Flags
L.SRC.GLabel.Len .DA SRC.GLabel.Len
L.SRC.ELabel.Flags .DA SRC.ELabel.Flags
L.SRC.ELabel.Len .DA SRC.ELabel.Len
L.SRC.BUFFER .DA SRC.BUFFER
L.ASM.T.FILENAME .DA ASM.T.FILENAME
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.CON
.DA DIR.LI.COFF
.DA DIR.LI.XON
.DA DIR.LI.XOFF
.DA DIR.LI.ON
.DA DIR.LI.OFF
J.EXP.OP .DA EXP.Compute.EOR ^!|&<=>+-*/
.DA EXP.Compute.ORA
.DA EXP.Compute.ORA
.DA EXP.Compute.AND
.DA EXP.Compute.LOW
.DA EXP.Compute.EQU
.DA EXP.Compute.GRT
.DA EXP.Compute.ADD
.DA EXP.Compute.SUB
.DA EXP.Compute.MUL
.DA EXP.Compute.DIV
.DA 0
*---------------------------------------
CS.INIT >LDYA L.LIBSTR
>SYSCALL SYS.LoadLibYA
sta hLIBSTR
ldy #S.PS.hARGS
lda (pPs),y
beq .99
>SYSCALL SYS.GetMemPtrA
>SYSCALL SYS.NewPStrYA
txa
ldy #SRC.hFILENAME
sta (pData),y
jsr FIO.Init
bcs .9
jsr SYM.Init
bcs .9
jsr DIR.Init
lda (pPs)
ora #S.PS.F.EVENT
sta (pPs)
clc
rts
.99 >PUSHW L.MSG.HELP1
>LIBCALL hLIBSTR,LIBSTR.PRINTF
>PUSHW L.MSG.HELP2
>LIBCALL hLIBSTR,LIBSTR.PRINTF
lda #ERR.INV.ARGS
sec
.9 rts
*--------------------------------------
CS.RUN ldy #bCANCEL
lda (pData),y
bne .99
ldy #bSTOP
lda (pData),y
bne .8
ldy #SRC.COUNT root file is already opened?
lda (pData),y
bne .10
ldy #ASM.PASS
lda (pData),y
inc
>PUSHA
>PUSHW L.MSG.PASS
>LIBCALL hLIBSTR,LIBSTR.PRINTF
ldy #SRC.hFILENAME
lda (pData),y
jsr FIO.OpenFileA
bcs .99
.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
ldy #ASM.PASS
lda (pData),y End of pass #2 ??
bne .1
inc
sta (pData),y
clc
rts
.1 jsr SYM.Dump
>PUSHW L.MSG.SUMMARY
>LIBCALL hLIBSTR,LIBSTR.PRINTF
lda #0 End of assembly, exit with no error
.99 sec
rts
.2 jsr SRC.PrintLine
jsr SRC.ParseLine
bcs .9
.8 clc
rts
.9 pha
jsr SRC.PrintLineErr
pla
pha
>PUSHA
>PUSHW SRC.LINENUM
>PUSHW L.MSG.ERROR
>LIBCALL hLIBSTR,LIBSTR.PRINTF
pla
sec
rts
*--------------------------------------
CS.DOEVENT ldy #S.EVT.hDEV is Event from active IN device?
lda (pEvent),y
ldy #S.PS.hINDEV
cmp (pPs),y
bne .9
lda (pEvent)
and #S.EVT.F.KEY is it a KEY event?
beq .9
ldy #S.EVT.DATAHI is it an O or SAPPLE key ?
lda (pEvent),y
bne .9
ldy #S.EVT.DATALO
lda (pEvent),y
cmp #$03 Ctrl-C
bne .1
lda #$FF
ldy #bCANCEL
sta (pData),y
bra .8
.1 cmp #$13 Ctrl-S
bne .8
ldy #bSTOP
lda (pData),y
eor #$FF
sta (pData),y
.8 clc
rts
.9 sec
rts
*--------------------------------------
CS.QUIT jsr FIO.FileClose
bne CS.QUIT
jsr SYM.Quit
ldy #ASM.T.hMem
lda (pData),y
beq .1
>SYSCALL SYS.FreeMemA
.1 ldy #SRC.hFILENAME
lda (pData),y
beq .8
>SYSCALL SYS.FreeMemA
.8 lda hLIBSTR
>SYSCALL SYS.UnloadLibA
clc
rts
*---------------------------------------
.INB BIN/ASM.S.DIR
.INB BIN/ASM.S.EXP
.INB BIN/ASM.S.FIO
.INB BIN/ASM.S.SRC
.INB BIN/ASM.S.SYM
*---------------------------------------
CS.END
SRC.DIR.MAXLEN .EQ 5 (DUMMY)
T.DIRECTIVES .HS 02
.AS "AC"
.HS 02
.AS "AS"
.HS 02
.AS "AT"
.HS 02
.AS "AZ"
.HS 02
.AS "BS"
.HS 02
.AS "DA"
.HS 02
.AS "DO"
.HS 02
.AS "DU"
.HS 05
.AS "DUMMY"
.HS 02
.AS "ED"
.HS 04
.AS "ELSE"
.HS 02
.AS "EM"
.HS 02
.AS "EN"
.HS 02
.AS "EP"
.HS 02
.AS "EQ"
.HS 03
.AS "FIN"
.HS 02
.AS "HS"
.HS 02
.AS "IN"
.HS 03
.AS "INB"
.HS 04
.AS "INB1"
.HS 04
.AS "INB2"
.HS 04
.AS "INB3"
.HS 04
.AS "INB4"
.HS 04
.AS "INB5"
.HS 04
.AS "INB6"
.HS 04
.AS "INB7"
.HS 04
.AS "INB8"
.HS 04
.AS "INB9"
.HS 02
.AS "LI"
.HS 04
.AS "LIST"
.HS 02
.AS "MA"
.HS 02
.AS "OP"
.HS 02
.AS "OR"
.HS 02
.AS "PG"
.HS 02
.AS "PH"
.HS 02
.AS "SE"
.HS 02
.AS "TA"
.HS 02
.AS "TF"
.HS 02
.AS "TI"
.HS 02
.AS "US"
.HS 00
*---------------------------------------
T.LI .HS 03
.AS "CON"
.HS 04
.AS "COFF"
.HS 03
.AS "XON"
.HS 04
.AS "XOFF"
.HS 02
.AS "ON"
.HS 03
.AS "OFF"
.HS 00
*---------------------------------------
LIBSTR >PSTRING "libstr.o"
MSG.HELP1 >CSTRING "A2osX-Macro Assembler (S-C MASM 3.0 Based)\n"
MSG.HELP2 >CSTRING "Usage : ASM <src file> [type TXT ($04) or S-C/BAS ($FA)]\n"
MSG.PASS >CSTRING "Pass:#%d\n"
MSG.SRC.FILE >CSTRING "Reading SRC File:%S\n"
MSG.OBJ.FILE >CSTRING "Writing OBJ File:%S, Type=%02x\n"
MSG.T.FILE >CSTRING "Loading CPU File:%S\n"
MSG.SRCLINE >CSTRING "%H: %05D-%s\n"
MSG.ERROR >CSTRING "%05D-Error:$%h\n"
MSG.SYMBOLS >CSTRING "Symbol Table:\n"
MSG.GSYMBOL >CSTRING "$%H%H:%S"
MSG.LSYMBOL >CSTRING " .%d:+$%h"
MSG.SUMMARY >CSTRING "\nEnd Of Assembly.\n"
SRC.AM.RESERVED >PSTRING "[](),"
SRC.MOD.RESERVED >PSTRING "#/<>"
SRC.EXP.RESERVED >PSTRING "^!|&<=>+-*/"
ASM.T.DEFAULT .AS ".T.6502"
ASM.T.FILENAMELEN .BS 1
ASM.T.FILENAME .BS 65
hLIBSTR .BS 1
FIO.hFileName .BS 1
FIO.hFullPath .BS 1
EXP.Operator .BS 1
EXP.Modifier .BS 1
SYM.iCurGBlock.Save .BS 1
SYM.pCurGBlock.Save .BS 1
SRC.LINENUM .BS 2
SRC.Directive.ID .BS 1
SRC.Keyword.ID .BS 1
SRC.ACC .BS 4
SRC.ACCTMP .BS 4
SRC.ARG .BS 4
SRC.AM.ID .BS 1
SRC.AM.StrBuf .BS 32
SRC.AM.tmpBuf .BS 32
SRC.Exp .BS 128
SRC.BufPtr .BS 1
SRC.BufPtrSave .BS 1
SRC.Buffer .BS 256
SRC.GLabel.New .BS 1
SRC.GLabel.Flags .BS 1
SRC.GLabel.Value .BS 4
SRC.GLabel.Len .BS 1
SRC.GLabel.Name .BS SRC.GLABEL.MAXLEN
SRC.LLabel.ID .BS 1
SRC.LLabel.Offset .BS 1
SRC.ELabel.Flags .BS 1
SRC.ELabel.Value .BS 4
SRC.ELabel.Len .BS 1
SRC.ELabel.Name .BS SRC.GLABEL.MAXLEN
SRC.FLabel.Flags .BS 1
SRC.FLabel.Value .BS 4
SRC.FLabel.Len .BS 1
SRC.FLabel.Name .BS SRC.GLABEL.MAXLEN
*--------------------------------------
.DUMMY
.OR 0
DS.START
bSTOP .BS 1
bCANCEL .BS 1
SRC.hFILENAME .BS 1
SRC.COUNT .BS 1
SRC.hREFNUMS .BS SRC.IN.MAXDEPTH
SRC.hBUFFERS .BS SRC.IN.MAXDEPTH
SRC.hFILETYPES .BS SRC.IN.MAXDEPTH
DST.hFILENAME .BS 1
DST.hREFNUM .BS 1
DST.hBUFFER .BS 1
DST.hFILETYPE .BS 1
ASM.T.hMem .BS 1
SYM.hCurSBlock .BS 1
SYM.iCurSBlock .BS 1
SYM.LastSBlock .BS 1
SYM.hSBlocks .BS SYM.SBLOCK.MAX
SYM.pCurGBlock .BS 1
SYM.iCurGBlock .BS 1
SYM.pLastGBlock .BS 1
SYM.iLastGBlock .BS 1
SYM.hGBlocks .BS SYM.GBLOCK.MAX
SYM.hCurPBlock .BS 1
SYM.iCurPBlock .BS 1
SYM.LastPBlock .BS 1
SYM.hPBlocks .BS SYM.PBLOCK.MAX
SYM.hCurMBlock .BS 1
SYM.iCurMBlock .BS 1
SYM.LastMBlock .BS 1
SYM.hMBlocks .BS SYM.MBLOCK.MAX
SYM.DumpCount .BS 1
DIR.Counter .BS 2
DIR.Byte .BS 1
ASM.PASS .BS 1
ASM.MACRO.ON .BS 1
ASM.DO.Count .BS 1
ASM.DOELSE.Flag .BS SRC.DO.MAXDEPTH
ASM.DO.ON .BS 1
ASM.PH.ON .BS 1
ASM.LI.ON .BS 1
ASM.LI.CON .BS 1
ASM.LI.XON .BS 1
ASM.PC .BS 4
ASM.PC.PH .BS 4
ASM.PC.GLABEL .BS 4
ASM.LOCAL.OFFSET .BS 1
ASM.LOCAL.INVALID .BS 1
ASM.SYM.ID .BS 2
DS.END .ED
*---------------------------------------
.DO DS.END-DS.START>$FF
ERROR:DS too big
.FIN
*---------------------------------------
MAN
SAVE BIN/ASM.S
ASM
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