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A2osX/BIN/ASM.S.txt
Rémy GIBERT 571fb59701 Kernel version 0.8 : SHELL, many new features, Error messages...etc...see README.md 
Important KERNEL.S.ENV.txt rewrite to implement env in SHELL
2016-10-29 21:58:21 +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.DEV/BIN/ASM
*---------------------------------------
.INB /A2OSX.DEV/INC/MACROS.I
.INB /A2OSX.DEV/INC/A2OSX.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.MSG.HELP .DA MSG.HELP
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.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 >SYSCALL GetArgC
cmp #1
beq .99 No arg, new file....
lda #1
>SYSCALL GetArgA
>SYSCALL GetFullPathYA
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 >LDYA L.MSG.HELP
>SYSCALL PrintFYA
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
>LDYA L.MSG.PASS
>SYSCALL PrintFYA
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
>LDYA L.MSG.SUMMARY
>SYSCALL PrintFYA
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
>LDYA L.MSG.ERROR
>SYSCALL PrintFYA
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 FreeMemA
.1 ldy #SRC.hFILENAME
lda (pData),y
beq .8
>SYSCALL FreeMemA
.8 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
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
*---------------------------------------
MSG.HELP >CSTR "A2osX-Macro Assembler (S-C MASM 3.0 Based)\nUsage : ASM <src file> [type TXT ($04) or S-C/BAS ($FA)]\n"
MSG.PASS >CSTR "Pass:#%d\n"
MSG.SRC.FILE >CSTR "Reading SRC File:%S\n"
MSG.OBJ.FILE >CSTR "Writing OBJ File:%S, Type=%02x\n"
MSG.T.FILE >CSTR "Loading CPU File:%S\n"
MSG.SRCLINE >CSTR "%H: %05D-%s\n"
MSG.ERROR >CSTR "%05D-Error:$%h\n"
MSG.SYMBOLS >CSTR "Symbol Table:\n"
MSG.GSYMBOL >CSTR "$%H%H:%S"
MSG.LSYMBOL >CSTR " .%d:+$%h"
MSG.SUMMARY >CSTR "\nEnd Of Assembly.\n"
SRC.AM.RESERVED >PSTR "[](),"
SRC.MOD.RESERVED >PSTR "#/<>"
SRC.EXP.RESERVED >PSTR "^!|&<=>+-*/"
ASM.T.DEFAULT .AS ".T.6502"
ASM.T.FILENAMELEN .BS 1
ASM.T.FILENAME .BS 65
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.hFILES .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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