mirror of
https://github.com/A2osX/A2osX.git
synced 2024-06-15 09:29:35 +00:00
446 lines
8.5 KiB
Plaintext
446 lines
8.5 KiB
Plaintext
PR#3
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PREFIX /A2OSX.SRC
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NEW
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INC 1
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AUTO 6
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.LIST OFF
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.OP 65C02
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.OR $2000
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.TF /A2OSX.BOOT/BIN/ASM
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*---------------------------------------
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.INB INC/MACROS.I
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.INB INC/A2OSX.I
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.INB INC/A2OSX.API.I
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.INB INC/LIBSTR.I
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*---------------------------------------
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SYM.BLOCK.SIZE .EQ 4096
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SYM.BLOCK.MAX .EQ 8
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*---------------------------------------
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ERR.INV.ARGS .EQ 1
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ERR.SRC.INV.TYPE .EQ 2
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ERR.SRC.TOO.LONG .EQ 3
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ERR.SYM.TOO.LARGE .EQ 10
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*--------------------------------------
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* File Header (16 Bytes)
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*--------------------------------------
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CS.START cld
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jmp (.1,x)
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.DA #$61 6502,Level 1 (65c02)
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.DA #1 BIN Layout Version 1
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.DA 0
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.DA CS.END-CS.START
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.DA DS.END-DS.START Data Segment to Allocate
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.DA 0
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.DA 0
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*--------------------------------------
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* Relocation Table
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*--------------------------------------
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.1 .DA CS.INIT
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.DA CS.RUN
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.DA CS.DOEVENT
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.DA CS.QUIT
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L.LIBSTR .DA LIBSTR
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L.MSG.HELP1 .DA MSG.HELP1
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L.MSG.HELP2 .DA MSG.HELP2
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L.MSG.SRCLINE .DA MSG.SRCLINE
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L.READ.BUFFER .DA READ.BUFFER
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.DA 0
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*---------------------------------------
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CS.INIT >LDYA L.LIBSTR
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>LOADLIBYA
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sta hLIBSTR
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ldy #VAR.INIT
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lda #0
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.1 sta (pData),y
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iny
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cpy #VAR.INIT.END
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bne .1
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ldy #S.PS.hARGS
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lda (pPs),y
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bne CS.INIT.ARGS
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>PUSHW L.MSG.HELP1
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>LIBCALL hLIBSTR,LIBSTR.PRINTF
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>PUSHW L.MSG.HELP2
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>LIBCALL hLIBSTR,LIBSTR.PRINTF
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lda #ERR.INV.ARGS
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sec
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rts
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CS.INIT.ARGS >SYSCALL SYS.GetMemPtrA
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>STYA ZPQuickPtr1
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lda (ZPQuickPtr1)
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beq .98
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.1 ldy #1
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lda (ZPQuickPtr1),y
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cmp #'/'
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bne .2
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ldy #S.PS.hARGS
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lda (pPs),y
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>SYSCALL SYS.PStrCpyA
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bra .3
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.2 ldy #S.PS.hARGS
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lda (pPs),y
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>PUSHA
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ldy #S.PS.hPREFIX
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lda (pPs),y
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>PUSHA
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>SYSCALL SYS.PStrCat
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.3 jsr SRC.OPEN
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bcs .99
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lda (pPs)
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ora #S.PS.F.EVENT Now accept events
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sta (pPs)
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clc
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rts
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.98 lda #ERR.INV.ARGS
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sec
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.99 rts
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*--------------------------------------
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CS.RUN lda bCANCEL
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beq .1
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sec
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rts
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.1 lda bSTOP
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beq .2
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clc
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rts
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.2 jsr SRC.ReadLine
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bcs .9
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>PUSHWI TmpBuffer256
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>PUSHW SRC.LINENUM
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>PUSHW L.MSG.SRCLINE
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>LIBCALL hLIBSTR,LIBSTR.PRINTF
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clc
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.9 rts
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*--------------------------------------
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CS.DOEVENT ldy #S.EVT.hDEV is Event from active IN device?
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lda (pEvent),y
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ldy #S.PS.hINDEV
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cmp (pPs),y
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bne .9
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lda (pEvent)
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and #S.EVT.F.KEY is it a KEY event?
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beq .9
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ldy #S.EVT.DATAHI is it an O or SAPPLE key ?
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lda (pEvent),y
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bne .9
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ldy #S.EVT.DATALO
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lda (pEvent),y
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cmp #$03 Ctrl-C
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bne .1
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lda #$FF
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sta bCANCEL
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bra .8
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.1 cmp #$13 Ctrl-S
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bne .8
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lda bSTOP
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eor #$FF
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sta bSTOP
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.8 clc
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rts
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.9 sec
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rts
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*--------------------------------------
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CS.QUIT ldy SRC.INDEX
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lda (pData),y
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bmi .8
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.1 clc
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adc #SRC.hREFNUMS
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tay
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lda (pData),y
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>SYSCALL SYS.MLICloseA
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ldy SRC.INDEX
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lda (pData),y
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clc
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adc #SRC.hBUFFERS
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tay
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lda (pData),y
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>SYSCALL SYS.FreeMemA
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ldy SRC.INDEX
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lda (pData),y
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dec
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sta (pData),y
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bpl .1
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.8 lda hLIBSTR
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>SYSCALL SYS.UnloadLibA
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clc
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rts
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*---------------------------------------
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LOAD.ASM.T
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clc
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rts
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*---------------------------------------
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SRC.OPEN sta hFileName
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>SYSCALL SYS.MLIOpenA
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bcs .99
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pha
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ldy #SRC.INDEX
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lda (pData),y
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clc
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adc #SRC.hREFNUMS
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tay
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pla
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sta (pData),y
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ldy #SRC.INDEX
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lda (pData),y
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clc
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adc #SRC.hBUFFERS
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tay
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txa
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sta (pData),y
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lda hFileName
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>SYSCALL SYS.MLIGetFileInfoA
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bcs .99
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>STYA ZPQuickPtr1
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ldy #1
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lda (ZPQuickPtr1),y
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pha
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ldy #SRC.INDEX
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lda (pData),y
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clc
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adc #SRC.hFILETYPES
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tay
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pla
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sta (pData),y
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cmp #$04 TXT?
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bne .1
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>PUSHBI $0D
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>PUSHBI $FF
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>PUSHB SRC.hREFNUMS
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>SYSCALL SYS.MLINewLine
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bcs .99
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.1 cmp #$FA BAS?
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bne .98
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ldy #SRC.INDEX
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lda (pData),y
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inc
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sta (pData),y
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clc
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rts
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.98 lda #ERR.SRC.INV.TYPE
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.99 sec
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rts
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*---------------------------------------
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SRC.ReadLine ldy #SRC.INDEX
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lda (pData),y
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clc
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adc #SRC.hFILETYPES
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tay
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lda (pData),y
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bmi SRC.ReadLine.BIN
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jmp SRC.ReadLine.TXT
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*---------------------------------------
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SRC.ReadLine.BIN >LDYAI 3 LEN + LINENUM
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jsr SRC.ReadLine.YA
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bcs .9
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lda READ.BUFFER+1
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sta SRC.LINENUM
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lda READ.BUFFER+2
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sta SRC.LINENUM+1
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lda READ.BUFFER
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dec
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dec
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dec
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beq .8
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tay
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lda #0
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jsr SRC.ReadLine.YA
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bcs .9
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ldy #0
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ldx #0
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.1 lda READ.BUFFER,y
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bmi .2
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sta TmpBuffer256,x
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beq .8 Ending 00
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inx
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beq .99
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iny
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bne .1
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bra .99
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.2 cmp #$C0 REPEAT char?
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bne .5
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iny
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beq .99
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lda READ.BUFFER,y
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iny
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beq .99
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.3 pha
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lda READ.BUFFER,y
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sta TmpBuffer256,x
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pla
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inx
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beq .99
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dec
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bne .3
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iny
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bne .1
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bra .99
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.5 and #$3F Compute blank count
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.6 pha
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lda #$20
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sta TmpBuffer256,x
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pla
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inx
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beq .99
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dec
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bne .6
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iny
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bne .1
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bra .99
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.8 clc
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.9 rts
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.99 lda #ERR.SRC.TOO.LONG
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sec
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rts
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*--------------------------------------
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SRC.ReadLine.TXT
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clc
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rts
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*--------------------------------------
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SRC.ReadLine.YA >PUSHYA
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>PUSHW L.READ.BUFFER
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ldy #SRC.INDEX
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lda (pData),y
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clc
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adc #SRC.hREFNUMS
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tay
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lda (pData),y
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>PUSHA
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>SYSCALL SYS.MLIRead
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rts
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*---------------------------------------
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SYM.ADD
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clc
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rts
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*---------------------------------------
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SYM.LOOKUP
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clc
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rts
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*---------------------------------------
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SYM.BLOCK.ALLOC ldx #0
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.1 lda SYM.BLOCKS,x
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beq .2
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inx
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cpx #SYM.BLOCK.MAX
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bne .1
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lda #ERR.SYM.TOO.LARGE
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sec Out of block error
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rts
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.2 phx Save next free block
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>LDYA SYM.BLOCK.SIZE
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>SYSCALL SYS.GetMem
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bcs .9
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txa
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plx
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sta SYM.BLOCKS,x
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clc
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.9 rts
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*---------------------------------------
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CS.END
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T.DIRECTIVES .AS "AS"
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.AS "AT"
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.AS "AZ"
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.AS "BS"
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.AS "DA"
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.AS "DO"
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.AS "DU"
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.AS "ED"
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.AS "EL"
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.AS "EN"
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.AS "EP"
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.AS "EQ"
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.AS "FI"
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.AS "HS"
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.AS "IN"
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.AS "LI"
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.AS "MA"
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.AS "OP"
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.AS "OR"
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.AS "PG"
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.AS "PH"
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.AS "TA"
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.AS "TF"
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.AS "TI"
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.AS "US"
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T.DIRECTIVES.END .EQ *
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*---------------------------------------
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LIBSTR >PSTRING "libstr.o"
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MSG.HELP1 >CSTRING "A2osX-Macro Assembler (S-C MASM 2.0 Based)\n"
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MSG.HELP2 >CSTRING "Usage : ASM <src file> [type TXT ($04) or S-C/BAS ($FA)]\n"
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MSG.SRCLINE >CSTRING "%05D-%s\n"
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hLIBSTR .BS 1
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hFileName .BS 1
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READ.BUFFER .BS 256
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*--------------------------------------
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.DUMMY
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.OR 0
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DS.START
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*---------------------------------------
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VAR.INIT
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bSTOP .BS 1
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bCANCEL .BS 1
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SRC.INDEX .BS 1
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SRC.hREFNUMS .BS 8 Store ref_num of opened files (Main, .INs & .INBs)
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SRC.hBUFFERS .BS 8 Store hMem to allocated buffers
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SRC.hFILETYPES .BS 8 Store file type of opened SRC files
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SRC.LINENUM .BS 2
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ASM.T.hFILENAME .BS 1
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ASM.T.hFILE .BS 1 handle to loaded ASM.T.xxxxx
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DST.hFILENAME .BS 1
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DST.hREFNUM .BS 1
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DST.hBUFFER .BS 1
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VAR.INIT.END
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*---------------------------------------
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ASM.T.FILENAME .BS 65 PStr ProDOS Max Path Len +1
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TARGET.FILENAME .BS 65 PStr ProDOS Max Path Len +1
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TARGET.FILETYPE .BS 1
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*---------------------------------------
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ASM.PASS .BS 1
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ASM.ORG .BS 4 32Bits Origin
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SYM.BLOCKS .BS SYM.BLOCK.MAX
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DS.END .ED
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*---------------------------------------
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MAN
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SAVE BIN/ASM.S
|
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ASM
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