A2osX/BIN/ASM.S.DIR.txt

NEW
  AUTO 3,1
*---------------------------------------
DIR.Reset		lda #$ff
				>STA.G ASM.LI.ON
				iny						#ASM.LI.CON
				sta (pData),y
				iny						#ASM.LI.MON
				sta (pData),y
				iny						#ASM.LI.XON
				sta (pData),y
				
				>STA.G MAC.StkPtr
				
				rts
*---------------------------------------
DIR.AC			clc
				rts
*---------------------------------------
DIR.AT			sec
				.HS 90					BCC
*---------------------------------------
DIR.AS			clc
				lda #0
				ror 
				sta DIR.Byte			Save b7 of last char in string
				jsr	SRC.GetNextChar
				bcs .9
				cmp #'-'
				bne .1
				lda #$40				save b7 status of ALL chars
				tsb DIR.Byte
				jsr	SRC.GetNextChar
				bcs .9
.1				sta DIR.Word			Save delimiter....
				sta DIR.Word+1			Save also in prev char..
.2				jsr	SRC.GetNextChar
				bcs .8
				cmp DIR.Word			delimiter ?
				beq .8
				ldx DIR.Word+1			Get prev char
				sta DIR.Word+1			replace it with new
				txa
				cmp DIR.Word			is it the starting delimiter
				beq .2					yes, skip
				bit DIR.Byte
				bvc .3
				ora #$80
.3				jsr OUT.EmitByte		no, emit prev char
				bcc .2
.9				lda #E.SYNTAX.ERROR
				sec
				rts

.8				lda DIR.Word+1			Get prev char
				cmp DIR.Word			someone typed .AS "" ?
				beq .88
				bit DIR.Byte
				bpl .81
				eor #$80

.81				jmp OUT.EmitByte

.88				clc
				rts
*---------------------------------------
DIR.AZ			jsr DIR.AS
				bcs .9
				lda #0
				jmp OUT.EmitByte
.9				rts
*---------------------------------------
DIR.BS			jsr SRC.GetNextCharNB
				bcs .98

				jsr EXP.Eval
				bcs .9

				lda SRC.ACC+3
				ora SRC.ACC+2
				bne .99

				lda SRC.ACC
				eor #$ff
				sta DIR.Word

				lda SRC.ACC+1
				eor #$ff
				sta DIR.Word+1

				stz DIR.Byte
				jsr SRC.GetNextChar
				bcs .1
				
				cmp #C.SPACE
				beq .1
				
				cmp #','
				bne .98
				
				jsr EXP.Eval
				bcs .9
				lda SRC.ACC+3
				ora SRC.ACC+2
				ora SRC.ACC+1
				bne .99
				
				lda SRC.ACC
				sta DIR.Byte
				
.1				inc DIR.Word
				bne .2
				inc DIR.Word+1
				beq .8
				
.2				lda DIR.Byte
				jsr OUT.EmitByte
				bcc .1
				rts

.8				clc
.9				rts

.99				lda #E.RANGE
				sec
				rts

.98				lda #E.SYNTAX.ERROR
				sec
				rts
*---------------------------------------
DIR.DA			jsr SRC.GetNextCharNB
				bcs .98
				
.1				jsr EXP.Eval
				bcs .9
				
				ldx SRC.ACC.SIZE
				bne .10

				ldx #2
.10				ldy #0

.2				lda SRC.ACC,y
				jsr OUT.EmitByte
				bcs .9
				iny
				dex
				bne .2
.3				jsr	SRC.GetNextChar
				bcs .8
				
				cmp #C.SPACE
				beq .8
				
				cmp #','
				bne .98
				jsr	SRC.GetNextChar
				bcc .1
.98				lda #E.SYNTAX.ERROR
				clc
.9				rts
.8				clc
				rts
*---------------------------------------
DIR.DO			>LDA.G ASM.DO.StackPtr
				inc
				cmp #DO.MAXDEPTH
				bcs .98

				jsr	SRC.GetNextCharNB
				bcs .99

				jsr EXP.Eval
				bcs .99

				>INC.G ASM.DO.StackPtr
*				clc						ok from bcs .99
				adc #ASM.DO.Stack-1
				tay
				lda SRC.ACC
				ora SRC.ACC+1
				ora SRC.ACC+2
				ora SRC.ACC+3
				beq .1
				lda #$ff

.1				sta (pData),y

				clc
				rts

.98				lda #E.TOO.MANY.DO
				sec
.99				rts
*---------------------------------------
DIR.DU			>LDA.G ASM.DU.ON
				bmi DIR.DU.ERR

				lda #$80
				sta (pData),y
				
				ldy #ASM.PC.DU
				jsr DIR.SavePC
				clc
				rts

DIR.DU.ERR		lda #E.ILLEGAL.DIR
				sec
				rts
*---------------------------------------
DIR.ED			>LDA.G ASM.DU.ON
				bpl DIR.DU.ERR

				lda #0
				sta (pData),y

				ldy #ASM.PC.DU
				jsr DIR.RestorePC

				clc
				rts
*---------------------------------------
DIR.EL			>LDA.G ASM.DO.StackPtr
				beq .9

				clc
				adc #ASM.DO.Stack-1
				tay
				lda (pData),y
				eor #$ff
				sta (pData),y
				
				clc
				rts

.9				lda #E.ELSE.WITHOUT.DO
				sec
				rts
*---------------------------------------
DIR.EM			lda #E.MACRO.INV.DEF
				sec
				rts
*---------------------------------------
DIR.EN			clc
				rts
*---------------------------------------
DIR.EP			>LDA.G ASM.PH.ON
				bpl .9
				
				lda #0
				sta (pData),y
				ldy #ASM.PC.PH

				jsr DIR.RestorePC
				clc
				rts

.9				lda #E.ILLEGAL.DIR
				sec
				rts
*---------------------------------------
DIR.SE			sec
				.HS 90					BCC
*---------------------------------------
DIR.EQ			clc

				>LDA.G SYM.bInGlobal
				bpl .99

				jsr	SRC.GetNextCharNB
				bcs .99

				lda #$ff
				>STA.G OUT.bEquate

				jsr EXP.Eval
				bcs .9
				
				>LDA.G ASM.PASS
				bne .2
*---------------------------------------
				>LDA.G SYM.GlobalPtr	PASS#1

				cmp #SYMG
				beq .12

				tay
				ldx #3					we are in local/private
				
.11				lda SRC.ACC,x			update value
				dey
				sta (ZPSymbolBuf),y
				dex
				bpl .11

				clc
				rts
				
.12				jsr SYM.Acc2Global		global, update and close
				jmp SYM.StoreGlobal
*---------------------------------------
.2				>LDA.G SYM.GlobalPtr	PASS#2

				cmp #SYMG
				beq .22
				
				tay
				ldx #3					we are in local/private
				
.21				lda SRC.ACC,x			update value
				dey
				sta (ZPSymbolBuf),y
				dex
				bpl .21

				clc
				rts
				
.22				jsr SYM.Acc2Global		global, update and close
				jmp SYM.UpdateGlobal

.99				lda #E.SYNTAX.ERROR
				sec
.9				rts
*---------------------------------------
DIR.FI			>LDA.G ASM.DO.StackPtr
				beq .99

				dec
				sta (pData),y

				clc
				rts

.99				lda #E.ILLEGAL.DIR
				sec
				rts
*---------------------------------------
DIR.HS			jsr SRC.GetNextCharNB
				bcs .99
				jsr SRC.IsDigit16
				bcs .99
.1				sta DIR.Byte
				jsr	SRC.GetNextChar
				bcc .2

				jmp OUT.EmitByte
.2				jsr SRC.IsDigit16
				bcc .3
				cmp #','
				beq .22

				cmp #'.'
				bne .99

.22				sta DIR.Byte
				jsr OUT.EmitByte
				bcc .5
				rts
.3				pha
				sta DIR.Byte
				asl
				asl
				asl
				asl
				sta DIR.Byte
				pla
				ora DIR.Byte
.4				jsr OUT.EmitByte
				bcs .9
				jsr	SRC.GetNextChar
				bcs .8
				cmp #C.SPACE
				beq .8
				jsr SRC.IsDigit16
				bcc .1
				cmp #','
				beq .5

				cmp #'.'
				bne .99
.5				jsr	SRC.GetNextChar
				bcs .99
				jsr SRC.IsDigit16
				bcc .1
.99				lda #E.SYNTAX.ERROR
				sec
.9				rts	
.8				clc
				rts
*---------------------------------------
DIR.IN			jsr SRC.GetNextCharNB
				bcs .9
				
				>LDYA ZPLinePtr
				jmp FIO.OpenFile
				
.9				lda #E.SYNTAX.ERROR
				sec
				rts
*---------------------------------------
DIR.LI			jsr SRC.GetNextChar
				bcs .9

				>LDYA L.T.LI
				jsr SRC.GetKeyword
				bcs .9
				jsr .7

				jsr	SRC.GetChar
				bcs .8
				cmp #','
				beq DIR.LI
				
				cmp #C.SPACE
				beq .8
				
.9				lda #E.SYNTAX.ERROR
				sec
				rts

.7				jmp (J.LI,x)

.8				clc
				rts

DIR.LI.ON		ldy #ASM.LI.ON
				sec 
				bra DIR.LI.APPLY

DIR.LI.OFF		ldy #ASM.LI.ON
				clc 
				bra DIR.LI.APPLY

DIR.LI.CON		ldy #ASM.LI.CON
				sec 
				bra DIR.LI.APPLY

DIR.LI.COFF		ldy #ASM.LI.CON
				clc
				bra DIR.LI.APPLY

DIR.LI.MON		ldy #ASM.LI.MON
				sec 
				bra DIR.LI.APPLY

DIR.LI.MOFF		ldy #ASM.LI.MON
				clc 
				bra DIR.LI.APPLY

DIR.LI.XON		ldy #ASM.LI.XON
				sec 
				bra DIR.LI.APPLY

DIR.LI.XOFF		ldy #ASM.LI.XON
				clc 
DIR.LI.APPLY	lda #0
				ror

				sta (pData),y
				rts
*---------------------------------------
DIR.MA			>LDA.G ASM.MA.ON
				bmi .9

				>LDA.G ASM.PASS		If Pass#2, ignore
				bne .8

				jsr SRC.GetNextCharNB
				beq DIR.OP.SYNERR

				>PUSHB.G MAC.hList
				>PUSHW ZPLinePtr
				>SYSCALL SListNewKey
				bcs .99
				
				>STYA.G MAC.ID
				
.8				lda #$ff
				>STA.G ASM.MA.ON
				clc
				rts
				
.9				lda #E.MACRO.INV.DEF
				sec
.99				rts
*---------------------------------------
DIR.OP			jsr SRC.GetNextCharNB
				bcs DIR.OP.SYNERR
				>LDYA ZPLinePtr
				
				jmp FIO.LOAD.CPU

DIR.OP.SYNERR	lda #E.SYNTAX.ERROR
				sec
				rts
*---------------------------------------
DIR.OR			jsr SRC.GetNextCharNB
				bcs DIR.OP.SYNERR
			
				jsr EXP.Eval
				bcs .9

				ldx #0
				ldy #ASM.PC
				
.1				lda SRC.ACC,x
				sta (pData),y
				iny
				inx
				cpx #4
				bne .1
				
				>LDA.G ASM.DU.ON
				bmi .8
				
				>LDA.G ASM.PH.ON
				bmi .8
				
				lda SRC.ACC
				>STA.G DST.AUXTYPE
				lda SRC.ACC+1
				iny
				sta (pData),y
				
.8				clc
.9				rts
*---------------------------------------
DIR.PG			clc
				rts
*---------------------------------------
DIR.PH			>LDA.G ASM.PH.ON
				bmi .9

				lda #$80
				sta (pData),y
				ldy #ASM.PC.PH
				jsr DIR.SavePC

				jmp DIR.OR
				
.9				lda #E.ILLEGAL.DIR
				sec
				rts
*---------------------------------------
DIR.TA

DIR.TA.8		clc
DIR.TA.RTS		rts
*---------------------------------------
DIR.TF			>LDA.G ASM.PASS			If Pass#1, ignore
				beq DIR.TA.8
				
				>LDA.G ArgDstFile
				beq .1
				
				>SYSCALL ArgV
				bra .2
				
.1				jsr SRC.GetNextCharNB
				bcs DIR.OP.SYNERR

				>LDYA ZPLinePtr
				
.2				>SYSCALL StrDup
				bcs DIR.TA.RTS
				>STYA ZPPtr1
				stx ZPPtr2
				
				lda #S.FI.T.BIN
				sta ZPPtr2+1
				
				ldy #$ff
				
.3				iny
				lda (ZPPtr1),y
				beq .7
				cmp #','
				bne .3
				
				lda #0
				sta (ZPPtr1),y
				
				iny
				lda (ZPPtr1),y
				cmp #'T'
				beq .4

.30				lda #E.SYNTAX.ERROR
				bra .9
				
.4				ldx #0

.5				iny
				lda (ZPPtr1),y
				cmp DIR.SYS,x			including \0
				bne .30
				inx
				cpx #4
				bne .5
				
				lda #S.FI.T.SYS
				sta ZPPtr2+1

.7				>PUSHW ZPPtr1
				>PUSHWI 0				Allocate
				>SYSCALL RealPath
				bcs .9
				
				txa
				>STA.G DST.hFILENAME
				>SYSCALL GetMemPtr
				>PUSHYA
				>PUSHBI O.WRONLY+O.CREATE
				>PUSHB ZPPtr2+1			Type
				>PUSHW.G DST.AUXTYPE
				>SYSCALL FOpen
				bcs .9
				
				>STA.G DST.hREFNUM
				
				clc
				
.9				php
				pha
				lda ZPPtr2
				>SYSCALL FreeMem
				pla
				plp
				
				rts
*---------------------------------------
DIR.TI			clc
				rts
*---------------------------------------
DIR.US			clc
				rts
*---------------------------------------
DIR.SavePC		phy
				plx
				ldy #ASM.PC+3

.1				lda (pData),y
				pha
				dey
				cpy #ASM.PC-1
				bne .1
				
				phx
				ply
				ldx #3

.2				pla
				sta (pData),y
				iny
				dex
				bpl .2

				rts
*---------------------------------------
DIR.RestorePC	ldx #3

.1				lda (pData),y
				pha
				iny
				dex
				bpl .1

				ldy #ASM.PC+3
				ldx #3
				
.2				pla
				sta (pData),y
				dey
				dex
				bpl .2

				rts
*---------------------------------------
MAN
SAVE USR/SRC/BIN/ASM.S.DIR
LOAD USR/SRC/BIN/ASM.S
ASM