2018-01-10 16:34:57 +00:00
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NEW
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2019-03-18 16:48:16 +00:00
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PREFIX
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2018-01-10 16:34:57 +00:00
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AUTO 4,1
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2015-10-06 16:14:48 +00:00
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*---------------------------------------
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2018-03-28 15:23:32 +00:00
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SRC.ParseLine jsr OUT.Reset
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jsr SRC.GetChar
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bcs .8
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cmp #'*' Comment?
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beq .8
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cmp #';' Comment?
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beq .8
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>LDA.G ASM.DO.StackPtr
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beq .1
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clc
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adc #ASM.DO.Stack-1
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tay
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lda (pData),y
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beq .8
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2018-04-06 15:10:02 +00:00
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.1 >LDA.G ASM.MA.ON
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2018-03-28 15:23:32 +00:00
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bmi SRC.ParseLine.MACRO
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2019-03-19 16:52:08 +00:00
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jsr SRC.ParseLine.LABEL
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bcs .9
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>LDA.G SYM.bNewGlobal
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bpl .8
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jmp SYM.StoreGlobal
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2018-03-28 15:23:32 +00:00
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.8 clc
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2019-03-19 16:52:08 +00:00
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.9 rts
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2018-03-28 15:23:32 +00:00
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*---------------------------------------
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SRC.ParseLine.Macro
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2019-03-18 16:48:16 +00:00
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>LDA.G ASM.PASS If Pass#2, ignore
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bne .8
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>STZ.G MAC.BufPtr
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sta (ZPMacroBuf)
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2018-03-28 15:23:32 +00:00
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lda (ZPLinePtr)
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cmp #' ' No label, scan to DIR/OP if any
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bne .1
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jsr SRC.GetNextCharNB
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bcs .8
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lda #' ' Store ONE blank
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jsr MAC.AddChar
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bcs .90
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lda (ZPLinePtr) get back non blank char
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bra .2
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.1 jsr MAC.AddChar
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bcs .99
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jsr SRC.GetNextChar
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bcs .80
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cmp #' '
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bne .1
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jsr MAC.AddChar
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.90 bcs .99
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jsr SRC.GetNextCharNB
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bcs .80
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.2 cmp #'.' Directive ?
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bne .4
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ldy #1
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lda (ZPLinePtr),y
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beq .3
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cmp #'E'
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beq .21
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cmp #'e'
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bne .3
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.21 iny
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lda (ZPLinePtr),y
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beq .3
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cmp #'M'
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beq .22
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cmp #'m'
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bne .3
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2019-03-18 16:48:16 +00:00
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.22 >STZ.G ASM.MA.ON
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2018-03-28 15:23:32 +00:00
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.8 clc
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rts
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.80 lda #0
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jmp MAC.AddChar
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.3 lda (ZPLinePtr)
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.4 jsr MAC.AddChar
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bcs .99
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jsr SRC.GetNextChar
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bcs .80
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cmp #' '
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bne .4
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jsr SRC.GetNextChar
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bcs .8
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cmp #' '
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beq .80 Comments...
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pha
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lda #' '
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jsr MAC.AddChar
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pla
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bcs .99
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.5 jsr MAC.AddChar Store ARG....
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bcs .99
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jsr SRC.GetNextChar
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bcs .80
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cmp #' '
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bne .5
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2019-03-18 16:48:16 +00:00
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bra .80 End of Line
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2018-03-28 15:23:32 +00:00
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2019-03-18 16:48:16 +00:00
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.99
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2018-03-28 15:23:32 +00:00
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SRC.ParseLine.RTS
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rts
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2018-01-29 16:48:07 +00:00
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*---------------------------------------
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2018-03-28 15:23:32 +00:00
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SRC.ParseLine.LABEL
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jsr SRC.GetChar
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cmp #' ' no label...go scan dir/opcode
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beq SRC.ParseLine.DirOp
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cmp #'.' local symbol?
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bne .1
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2019-03-19 16:52:08 +00:00
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>LDA.G SYM.bNewGlobal Not relative to Global label...
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bpl SRC.ParseLine.InvLbl
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2018-03-28 15:23:32 +00:00
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jsr SRC.GetNextChar
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bcs SRC.ParseLine.InvLbl
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jsr SRC.GetDecimal
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bcs SRC.ParseLine.InvLbl
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lda SRC.ACC+1
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ora SRC.ACC+2
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ora SRC.ACC+3
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bne SRC.ParseLine.InvLbl Max .255
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lda SRC.ACC
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beq SRC.ParseLine.InvLbl .0 is not allowed
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jsr SYM.NewOrGetLocalA
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bcs SRC.ParseLine.RTS
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bra SRC.ParseLine.DirOp
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2019-03-19 16:52:08 +00:00
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.1 jsr SYM.NewOrGetGlobal
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2018-03-28 15:23:32 +00:00
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bcs SRC.ParseLine.RTS
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2018-01-29 07:41:05 +00:00
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*---------------------------------------
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2018-03-28 15:23:32 +00:00
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SRC.ParseLine.DirOp
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jsr SRC.GetNextCharNB Scan for an Opcode...
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bcs SRC.ParseLine.Ok
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cmp #'.'
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bne .5
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jsr SRC.GetNextChar
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bcs SRC.ParseLine.InvDir
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jsr SRC.ParseLine.Dir
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bcs SRC.ParseLine.Err
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bra SRC.ParseLine.Ok
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.5 cmp #'>'
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bne SRC.ParseLine.OpCode
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jsr SRC.ParseLine.ExecMacro
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bcs SRC.ParseLine.Err
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bra SRC.ParseLine.Ok
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SRC.ParseLine.Ok
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clc
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SRC.ParseLine.Err
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rts
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2015-12-17 16:57:35 +00:00
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2018-01-23 16:52:22 +00:00
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SRC.ParseLine.InvLbl
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2018-03-28 15:23:32 +00:00
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lda #ERR.INV.LABEL
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sec
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rts
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2018-01-23 16:52:22 +00:00
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SRC.ParseLine.InvDir
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2018-03-28 15:23:32 +00:00
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lda #ERR.INV.DIR
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sec
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rts
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2015-10-09 15:53:30 +00:00
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*---------------------------------------
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2018-03-28 15:23:32 +00:00
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SRC.ParseLine.Dir
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>LDYA L.T.DIRECTIVES
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jsr SRC.GetKeyword
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2018-01-11 16:34:09 +00:00
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2018-03-28 15:23:32 +00:00
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bcs SRC.ParseLine.InvDir
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jmp (J.DIRECTIVES,x)
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2015-10-06 16:14:48 +00:00
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*---------------------------------------
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2018-01-29 16:48:07 +00:00
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SRC.ParseLine.ExecMacro
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2018-04-06 15:10:02 +00:00
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jsr SRC.GetNextChar skip '>'
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bcs .90
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jsr MAC.Lookup
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bcs .90
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>LDA.G ASM.MA.StackPtr
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cmp #MA.MAXDEPTH
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beq .91
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clc
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adc #ASM.MA.StackPtr
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tay
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2018-03-28 15:23:32 +00:00
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2018-04-06 15:10:02 +00:00
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>INC.G ASM.MA.StackPtr
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2018-03-28 15:23:32 +00:00
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clc
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rts
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2018-04-06 15:10:02 +00:00
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.90 lda #ERR.MACRO.INV
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sec
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rts
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.91 lda #ERR.MACRO.INV
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sec
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rts
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2015-10-06 16:14:48 +00:00
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*---------------------------------------
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2015-10-28 16:55:12 +00:00
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SRC.ParseLine.OpCode
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2018-03-28 15:23:32 +00:00
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stz SRC.AM.StrBuf
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>LDYA ZPOpsPtr
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>STYA ZPOpDefPtr
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.1 lda (ZPOpDefPtr) End Of OpCode List
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ldy #1
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ora (ZPOpDefPtr),y
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beq .9
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lda ZPOpDefPtr
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clc
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adc #2
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sta ZPPtr2
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lda ZPOpDefPtr+1
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adc #0
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sta ZPPtr2+1
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lda (ZPPtr2)
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tax
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ldy #0
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.2 lda (ZPLinePtr),y
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beq .7
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cmp #'a'
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bcc .3
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cmp #'z'+1
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bcs .3
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eor #$20
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.3 iny
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cmp (ZPPtr2),y
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bne .7
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dex
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bne .2
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lda (ZPLinePtr),y
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beq .8 End of Line, no AM
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cmp #' ' A space after opcode ?
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bne .7
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tya
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sec skip OP + ' '
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adc ZPLinePtr
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sta ZPLinePtr
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bcc .5
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inc ZPLinePtr+1
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.5 bra SRC.ParseLine.AM
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.7 lda ZPOpDefPtr
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clc
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adc (ZPOpDefPtr)
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tax
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lda ZPOpDefPtr+1
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ldy #1
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adc (ZPOpDefPtr),y
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stx ZPOpDefPtr
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sta ZPOpDefPtr+1
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bra .1
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.8 jmp SRC.ParseLine.OPAMCheckFF
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.9 lda #ERR.INV.OPCODE
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sec
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.99 rts
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2015-10-30 16:34:59 +00:00
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*---------------------------------------
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2018-03-19 16:48:41 +00:00
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SRC.ParseLine.AM
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2018-03-28 15:23:32 +00:00
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.1 jsr SRC.GetChar
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bcs SRC.ParseLine.AMCheck
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.10 cmp #' ' another space ?
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beq SRC.ParseLine.AMCheck ignore end of line (comment)
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jsr SRC.IsAMReserved
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bcs .2
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jsr SRC.AddToBuf
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bra .7
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.2 jsr SRC.IsLetter Any register?
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bcs .6 no, try something else
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>LDYA ZPRPtr Check in register table
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jsr SRC.GetKeyword
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bcs .6
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lda (ZPPtr1) get register len
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tax
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.4 inc ZPPtr1
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bne .5
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inc ZPPtr1+1
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.5 lda (ZPPtr1)
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jsr SRC.AddToBuf
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dex
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bne .4
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bra .1
|
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.6 jsr EXP.Eval
|
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bcs .99
|
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>LDA.G EXP.Prefix
|
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beq .75
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jsr SRC.AddToBuf
|
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.75 ldx #2
|
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.74 lda SRC.ACC.SIZE
|
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beq .72 Pending...assume 2 bytes...
|
2019-03-20 16:55:26 +00:00
|
|
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|
2018-03-28 15:23:32 +00:00
|
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tax
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.73 lda SRC.ACC-1,x
|
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bne .72
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dex
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bne .73
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inx
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.72 lda #'a'
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.71 jsr SRC.AddToBuf
|
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dex
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bne .71
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bra .1
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.7 jsr SRC.GetNextChar
|
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bcc .10
|
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jmp SRC.ParseLine.AMCheck
|
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|
.9 lda #ERR.INV.AM.SYN
|
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sec
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|
.99 rts
|
2015-10-28 16:55:12 +00:00
|
|
|
|
*---------------------------------------
|
2018-03-16 16:33:11 +00:00
|
|
|
|
SRC.ParseLine.AMCheck
|
2018-03-28 15:23:32 +00:00
|
|
|
|
* jsr OUT.PrintLine.1
|
2019-03-20 16:55:26 +00:00
|
|
|
|
* >LDYA L.SRC.AM.StrBuf
|
|
|
|
|
* >SYSCALL puts
|
2018-04-06 15:10:02 +00:00
|
|
|
|
* >DEBUG
|
2018-03-28 15:23:32 +00:00
|
|
|
|
lda SRC.AM.StrBuf
|
|
|
|
|
beq SRC.ParseLine.OPAMCheckFF
|
|
|
|
|
|
|
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|
>LDYA ZPAMPtr
|
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>STYA ZPPtr1
|
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|
ldx #0
|
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.1 inx
|
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lda (ZPPtr1)
|
|
|
|
|
beq .9
|
|
|
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|
|
cmp SRC.AM.StrBuf
|
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bne .7
|
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tay
|
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|
.2 lda (ZPPtr1),y
|
|
|
|
|
cmp SRC.AM.StrBuf,y
|
|
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|
|
bne .6
|
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|
|
dey
|
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|
bne .2
|
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|
txa
|
|
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|
|
>STA.G SRC.AMID
|
|
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|
|
bra SRC.ParseLine.OPAMCheck
|
|
|
|
|
|
|
|
|
|
.6 lda (ZPPtr1)
|
|
|
|
|
.7 sec
|
|
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|
|
adc ZPPtr1
|
|
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|
|
sta ZPPtr1
|
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|
bcc .1
|
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|
inc ZPPtr1+1
|
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|
bra .1
|
|
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|
|
.9 lda #ERR.INV.AM
|
|
|
|
|
sec
|
|
|
|
|
rts
|
2018-03-21 16:22:05 +00:00
|
|
|
|
*---------------------------------------
|
|
|
|
|
SRC.ParseLine.OPAMCheckFF
|
2018-03-28 15:23:32 +00:00
|
|
|
|
lda #$ff Default to no AM
|
|
|
|
|
>STA.G SRC.AMID
|
2018-03-21 16:22:05 +00:00
|
|
|
|
|
|
|
|
|
SRC.ParseLine.OPAMCheck
|
2018-03-28 15:23:32 +00:00
|
|
|
|
ldy #2 Skip nPtr+Len+OP
|
|
|
|
|
lda (ZPOpDefPtr),y LEN
|
|
|
|
|
sec LEN Byte
|
|
|
|
|
adc #2 nPtr
|
|
|
|
|
adc ZPOpDefPtr
|
|
|
|
|
sta ZPOpDefPtr
|
|
|
|
|
bcc .10
|
|
|
|
|
inc ZPOpDefPtr+1
|
|
|
|
|
|
|
|
|
|
.10 lda (ZPOpDefPtr)
|
|
|
|
|
|
|
|
|
|
.1 >CMP.G SRC.AMID
|
2018-04-06 15:10:02 +00:00
|
|
|
|
beq SRC.ParseLine.Emit
|
2018-03-28 15:23:32 +00:00
|
|
|
|
|
|
|
|
|
ldy #1
|
|
|
|
|
lda (ZPOpDefPtr),y
|
|
|
|
|
inc
|
|
|
|
|
sec
|
|
|
|
|
adc ZPOpDefPtr
|
|
|
|
|
sta ZPOpDefPtr
|
|
|
|
|
bcc .2
|
|
|
|
|
inc ZPOpDefPtr+1
|
|
|
|
|
.2 lda (ZPOpDefPtr)
|
|
|
|
|
bne .1
|
|
|
|
|
|
|
|
|
|
.99 lda #ERR.INV.AM.4.OC
|
|
|
|
|
sec
|
|
|
|
|
rts
|
2018-04-06 15:10:02 +00:00
|
|
|
|
*---------------------------------------
|
|
|
|
|
SRC.ParseLine.Emit
|
|
|
|
|
stz SRC.ACCTMP index in ACC
|
2018-03-28 15:23:32 +00:00
|
|
|
|
|
|
|
|
|
ldy #1
|
|
|
|
|
lda (ZPOpDefPtr),y
|
|
|
|
|
sta SRC.ACCTMP+1 Char Count in AM
|
|
|
|
|
iny
|
|
|
|
|
|
|
|
|
|
.4 lda (ZPOpDefPtr),y
|
|
|
|
|
cmp #'a
|
2018-04-06 15:10:02 +00:00
|
|
|
|
bcs .5 lowercase, go compute address
|
|
|
|
|
|
2018-03-28 15:23:32 +00:00
|
|
|
|
jsr SRC.IsDigit16
|
|
|
|
|
asl
|
|
|
|
|
asl
|
|
|
|
|
asl
|
|
|
|
|
asl
|
|
|
|
|
sta SRC.ACCTMP+2
|
|
|
|
|
iny
|
|
|
|
|
dec SRC.ACCTMP+1
|
|
|
|
|
lda (ZPOpDefPtr),y
|
|
|
|
|
jsr SRC.IsDigit16
|
|
|
|
|
ora SRC.ACCTMP+2
|
|
|
|
|
|
|
|
|
|
.50 jsr OUT.EmitByte
|
|
|
|
|
|
|
|
|
|
bcs .9
|
|
|
|
|
iny
|
|
|
|
|
dec SRC.ACCTMP+1
|
|
|
|
|
bne .4
|
2018-04-06 15:10:02 +00:00
|
|
|
|
|
2018-03-28 15:23:32 +00:00
|
|
|
|
clc
|
|
|
|
|
rts
|
|
|
|
|
|
2018-04-06 15:10:02 +00:00
|
|
|
|
.5 bne .6 cmp #'a'....
|
2018-03-28 15:23:32 +00:00
|
|
|
|
|
|
|
|
|
ldx SRC.ACCTMP
|
|
|
|
|
inc SRC.ACCTMP
|
|
|
|
|
lda SRC.ACC,x
|
|
|
|
|
bra .50
|
|
|
|
|
|
|
|
|
|
.6 cmp #'r
|
2018-04-06 15:10:02 +00:00
|
|
|
|
bne .7
|
|
|
|
|
|
|
|
|
|
lda SRC.ACC.SIZE
|
|
|
|
|
beq .50 Emit 00 if pending symbol (pass #1)
|
|
|
|
|
|
|
|
|
|
jsr SRC.ComputeRel8
|
|
|
|
|
bcs .91
|
|
|
|
|
bra .50
|
|
|
|
|
|
|
|
|
|
.7 cmp #'l
|
|
|
|
|
bne .90
|
2018-03-28 15:23:32 +00:00
|
|
|
|
|
2018-04-06 15:10:02 +00:00
|
|
|
|
lda SRC.ACC.SIZE
|
|
|
|
|
bne .71
|
2018-03-28 15:23:32 +00:00
|
|
|
|
|
2018-04-06 15:10:02 +00:00
|
|
|
|
jsr OUT.EmitByte Emit 00 00 if pending symbol (pass #1)
|
|
|
|
|
bcs .9
|
|
|
|
|
lda #0
|
2018-03-28 15:23:32 +00:00
|
|
|
|
|
2018-04-06 15:10:02 +00:00
|
|
|
|
bra .50
|
2018-03-28 15:23:32 +00:00
|
|
|
|
|
2018-04-06 15:10:02 +00:00
|
|
|
|
.71 jsr SRC.ComputeRel16
|
|
|
|
|
bcs .91
|
|
|
|
|
|
|
|
|
|
lda SRC.ACC
|
|
|
|
|
jsr OUT.EmitByte
|
|
|
|
|
bcs .9
|
|
|
|
|
|
|
|
|
|
lda SRC.ACC+1
|
2018-03-28 15:23:32 +00:00
|
|
|
|
bra .50
|
|
|
|
|
|
|
|
|
|
.8 clc
|
|
|
|
|
.9 rts
|
2018-04-06 15:10:02 +00:00
|
|
|
|
|
|
|
|
|
.90 lda #ERR.INV.T.FILE
|
|
|
|
|
sec
|
|
|
|
|
rts
|
|
|
|
|
|
|
|
|
|
.91 lda #ERR.RANGE
|
|
|
|
|
sec
|
|
|
|
|
rts
|
2018-03-16 16:33:11 +00:00
|
|
|
|
*---------------------------------------
|
2018-03-28 15:23:32 +00:00
|
|
|
|
SRC.AddToBuf inc SRC.AM.StrBuf
|
|
|
|
|
ldy SRC.AM.StrBuf
|
|
|
|
|
sta SRC.AM.StrBuf,y
|
|
|
|
|
rts
|
2015-10-28 16:55:12 +00:00
|
|
|
|
*---------------------------------------
|
2018-04-06 15:10:02 +00:00
|
|
|
|
SRC.ComputeRel8 jsr SRC.ComputeRel
|
|
|
|
|
|
|
|
|
|
bcc .1
|
|
|
|
|
|
|
|
|
|
* positive : check 0<r<0000007F
|
|
|
|
|
|
|
|
|
|
lda SRC.ACC+3
|
|
|
|
|
ora SRC.ACC+2
|
|
|
|
|
ora SRC.ACC+1
|
|
|
|
|
bne .9
|
|
|
|
|
lda SRC.ACC
|
|
|
|
|
bmi .9
|
|
|
|
|
clc
|
|
|
|
|
rts
|
|
|
|
|
|
|
|
|
|
* negative : check FFFFFF80<r<FFFFFFFF
|
|
|
|
|
|
|
|
|
|
.1 lda SRC.ACC+3
|
|
|
|
|
and SRC.ACC+2
|
|
|
|
|
and SRC.ACC+1
|
|
|
|
|
inc
|
|
|
|
|
bne .9
|
|
|
|
|
lda SRC.ACC
|
|
|
|
|
bpl .9
|
|
|
|
|
clc
|
|
|
|
|
rts
|
|
|
|
|
|
|
|
|
|
.9 sec
|
|
|
|
|
rts
|
|
|
|
|
*---------------------------------------
|
|
|
|
|
SRC.ComputeRel16
|
|
|
|
|
jsr SRC.ComputeRel
|
|
|
|
|
|
|
|
|
|
bcc .1
|
|
|
|
|
|
|
|
|
|
* positive : check 0<r<00007FFF
|
|
|
|
|
|
|
|
|
|
lda SRC.ACC+3
|
|
|
|
|
ora SRC.ACC+2
|
|
|
|
|
bne .9
|
|
|
|
|
lda SRC.ACC+1
|
|
|
|
|
bmi .9
|
|
|
|
|
clc
|
|
|
|
|
rts
|
|
|
|
|
|
|
|
|
|
* negative : check FFFF8000<r<FFFFFFFF
|
|
|
|
|
|
|
|
|
|
.1 lda SRC.ACC+3
|
|
|
|
|
and SRC.ACC+2
|
|
|
|
|
inc
|
|
|
|
|
bne .9
|
|
|
|
|
lda SRC.ACC+1
|
|
|
|
|
bpl .9
|
|
|
|
|
clc
|
|
|
|
|
rts
|
|
|
|
|
|
|
|
|
|
.9 sec
|
|
|
|
|
rts
|
|
|
|
|
*---------------------------------------
|
|
|
|
|
SRC.ComputeRel phy
|
|
|
|
|
|
|
|
|
|
ldy #ASM.PC
|
|
|
|
|
|
|
|
|
|
clc
|
|
|
|
|
|
|
|
|
|
lda SRC.ACC
|
|
|
|
|
sbc (pData),y
|
|
|
|
|
sta SRC.ACC
|
|
|
|
|
iny
|
|
|
|
|
lda SRC.ACC+1
|
|
|
|
|
sbc (pData),y
|
|
|
|
|
sta SRC.ACC+1
|
|
|
|
|
iny
|
|
|
|
|
lda SRC.ACC+2
|
|
|
|
|
sbc (pData),y
|
|
|
|
|
sta SRC.ACC+2
|
|
|
|
|
iny
|
|
|
|
|
lda SRC.ACC+3
|
|
|
|
|
sbc (pData),y
|
|
|
|
|
sta SRC.ACC+3
|
|
|
|
|
|
|
|
|
|
ply
|
|
|
|
|
rts
|
|
|
|
|
*---------------------------------------
|
2018-03-28 15:23:32 +00:00
|
|
|
|
SRC.GetDecimal jsr SRC.GetChar
|
|
|
|
|
beq .99
|
|
|
|
|
|
|
|
|
|
stz SRC.ACC+1
|
|
|
|
|
stz SRC.ACC+2
|
|
|
|
|
stz SRC.ACC+3
|
|
|
|
|
|
|
|
|
|
jsr SRC.IsDigit10
|
|
|
|
|
bcs .99
|
|
|
|
|
|
|
|
|
|
and #$0F
|
|
|
|
|
sta SRC.ACC
|
|
|
|
|
|
|
|
|
|
.1 jsr SRC.GetNextChar
|
|
|
|
|
bcs .8
|
|
|
|
|
|
|
|
|
|
cmp #' '
|
|
|
|
|
beq .8
|
|
|
|
|
|
|
|
|
|
jsr SRC.IsEXPReserved
|
|
|
|
|
bcc .8
|
|
|
|
|
|
|
|
|
|
jsr SRC.IsAMReserved
|
|
|
|
|
bcc .8
|
|
|
|
|
|
|
|
|
|
jsr SRC.IsDigit10
|
|
|
|
|
bcs .9
|
|
|
|
|
|
|
|
|
|
and #$0F
|
|
|
|
|
|
|
|
|
|
pha
|
|
|
|
|
jsr SRC.ACC10
|
|
|
|
|
pla
|
|
|
|
|
bcs .9
|
|
|
|
|
|
|
|
|
|
adc SRC.ACC
|
|
|
|
|
sta SRC.ACC
|
|
|
|
|
bcc .1
|
|
|
|
|
|
|
|
|
|
inc SRC.ACC+1
|
|
|
|
|
bne .1
|
|
|
|
|
inc SRC.ACC+2
|
|
|
|
|
bne .1
|
|
|
|
|
inc SRC.ACC+3
|
|
|
|
|
bne .1
|
|
|
|
|
|
|
|
|
|
.9 lda #ERR.VAL.TOO.BIG
|
|
|
|
|
sec
|
|
|
|
|
rts
|
|
|
|
|
|
|
|
|
|
.8 clc
|
|
|
|
|
rts
|
|
|
|
|
|
|
|
|
|
.99 lda #ERR.SYNTAX.ERROR
|
|
|
|
|
sec
|
|
|
|
|
rts
|
2015-10-30 16:34:59 +00:00
|
|
|
|
*---------------------------------------
|
2018-03-28 15:23:32 +00:00
|
|
|
|
SRC.GetHex jsr SRC.GetNextChar skip '$'
|
|
|
|
|
bcs .99
|
|
|
|
|
|
|
|
|
|
stz SRC.ACC+1
|
|
|
|
|
stz SRC.ACC+2
|
|
|
|
|
stz SRC.ACC+3
|
|
|
|
|
|
|
|
|
|
jsr SRC.IsDigit16
|
|
|
|
|
bcs .99
|
|
|
|
|
|
|
|
|
|
sta SRC.ACC
|
|
|
|
|
|
|
|
|
|
.1 jsr SRC.GetNextChar
|
|
|
|
|
bcs .8
|
|
|
|
|
|
|
|
|
|
cmp #' '
|
|
|
|
|
beq .8
|
|
|
|
|
jsr SRC.IsEXPReserved
|
|
|
|
|
bcc .8
|
|
|
|
|
jsr SRC.IsAMReserved
|
|
|
|
|
bcc .8
|
|
|
|
|
jsr SRC.IsDigit16
|
|
|
|
|
bcs .99
|
|
|
|
|
|
|
|
|
|
ldx #4
|
|
|
|
|
|
|
|
|
|
.2 asl SRC.ACC
|
|
|
|
|
rol SRC.ACC+1
|
|
|
|
|
rol SRC.ACC+2
|
|
|
|
|
rol SRC.ACC+3
|
|
|
|
|
bcs .9
|
|
|
|
|
dex
|
|
|
|
|
bne .2
|
|
|
|
|
ora SRC.ACC
|
|
|
|
|
sta SRC.ACC
|
|
|
|
|
bra .1
|
|
|
|
|
|
2018-04-06 15:10:02 +00:00
|
|
|
|
.8 clc
|
2018-03-28 15:23:32 +00:00
|
|
|
|
rts
|
|
|
|
|
|
|
|
|
|
.9 lda #ERR.VAL.TOO.BIG
|
|
|
|
|
sec
|
|
|
|
|
rts
|
|
|
|
|
|
|
|
|
|
.99 lda #ERR.SYNTAX.ERROR
|
|
|
|
|
sec
|
|
|
|
|
rts
|
2015-10-28 16:55:12 +00:00
|
|
|
|
*---------------------------------------
|
2018-03-28 15:23:32 +00:00
|
|
|
|
SRC.GetOctal jsr SRC.GetNextChar skip '&'
|
|
|
|
|
bcs .99
|
|
|
|
|
|
|
|
|
|
stz SRC.ACC+1
|
|
|
|
|
stz SRC.ACC+2
|
|
|
|
|
stz SRC.ACC+3
|
|
|
|
|
|
|
|
|
|
jsr SRC.IsDigit8
|
|
|
|
|
bcs .99
|
|
|
|
|
|
|
|
|
|
and #$0F
|
|
|
|
|
sta SRC.ACC
|
|
|
|
|
|
|
|
|
|
.1 jsr SRC.GetNextChar
|
|
|
|
|
bcs .8
|
|
|
|
|
|
|
|
|
|
cmp #' '
|
|
|
|
|
beq .8
|
|
|
|
|
|
|
|
|
|
jsr SRC.IsEXPReserved
|
|
|
|
|
bcc .8
|
|
|
|
|
|
|
|
|
|
jsr SRC.IsAMReserved
|
|
|
|
|
bcc .8
|
|
|
|
|
|
|
|
|
|
jsr SRC.IsDigit8
|
|
|
|
|
bcs .9
|
|
|
|
|
|
|
|
|
|
asl
|
|
|
|
|
asl
|
|
|
|
|
asl
|
|
|
|
|
asl
|
|
|
|
|
asl
|
|
|
|
|
|
|
|
|
|
ldx #3
|
|
|
|
|
.2 asl
|
|
|
|
|
rol SRC.ACC
|
|
|
|
|
rol SRC.ACC+1
|
|
|
|
|
rol SRC.ACC+2
|
|
|
|
|
rol SRC.ACC+3
|
|
|
|
|
bcs .9
|
|
|
|
|
dex
|
|
|
|
|
bne .2
|
|
|
|
|
bra .1
|
|
|
|
|
|
|
|
|
|
.8 clc
|
|
|
|
|
rts
|
|
|
|
|
|
|
|
|
|
.9 lda #ERR.VAL.TOO.BIG
|
|
|
|
|
sec
|
|
|
|
|
rts
|
|
|
|
|
|
|
|
|
|
.99 lda #ERR.SYNTAX.ERROR
|
|
|
|
|
sec
|
|
|
|
|
rts
|
2015-10-06 16:14:48 +00:00
|
|
|
|
*---------------------------------------
|
2018-03-28 15:23:32 +00:00
|
|
|
|
SRC.GetBinary jsr SRC.GetNextChar skip '%'
|
|
|
|
|
bcs .99
|
|
|
|
|
|
|
|
|
|
stz SRC.ACC+1
|
|
|
|
|
stz SRC.ACC+2
|
|
|
|
|
stz SRC.ACC+3
|
|
|
|
|
|
|
|
|
|
cmp #'1'
|
|
|
|
|
beq .10
|
|
|
|
|
|
|
|
|
|
cmp #'0'
|
|
|
|
|
bne .99
|
|
|
|
|
|
|
|
|
|
.10 and #$01
|
|
|
|
|
sta SRC.ACC
|
|
|
|
|
|
|
|
|
|
.1 jsr SRC.GetNextChar
|
|
|
|
|
bcs .8
|
|
|
|
|
|
|
|
|
|
cmp #' '
|
|
|
|
|
beq .8
|
|
|
|
|
|
|
|
|
|
jsr SRC.IsEXPReserved
|
|
|
|
|
bcc .8
|
|
|
|
|
|
|
|
|
|
jsr SRC.IsAMReserved
|
|
|
|
|
bcc .8
|
|
|
|
|
|
|
|
|
|
cmp #'1'
|
|
|
|
|
beq .11
|
|
|
|
|
|
|
|
|
|
cmp #'0'
|
|
|
|
|
bne .8
|
|
|
|
|
|
|
|
|
|
.11 lsr
|
|
|
|
|
|
|
|
|
|
rol SRC.ACC
|
|
|
|
|
rol SRC.ACC+1
|
|
|
|
|
rol SRC.ACC+2
|
|
|
|
|
rol SRC.ACC+3
|
|
|
|
|
bcs .9
|
|
|
|
|
bra .1
|
|
|
|
|
|
|
|
|
|
.8 clc
|
|
|
|
|
rts
|
|
|
|
|
|
|
|
|
|
.9 lda #ERR.VAL.TOO.BIG
|
|
|
|
|
sec
|
|
|
|
|
rts
|
|
|
|
|
|
|
|
|
|
.99 lda #ERR.SYNTAX.ERROR
|
|
|
|
|
sec
|
|
|
|
|
rts
|
2015-10-06 16:14:48 +00:00
|
|
|
|
*---------------------------------------
|
2018-03-28 15:23:32 +00:00
|
|
|
|
SRC.GetKeyword >STYA ZPPtr1 KeyWord table
|
|
|
|
|
|
|
|
|
|
ldx #0 Keyword.ID
|
|
|
|
|
|
|
|
|
|
.1 phx
|
|
|
|
|
|
|
|
|
|
lda (ZPPtr1)
|
|
|
|
|
beq .9 End Of table
|
|
|
|
|
|
|
|
|
|
tax KW len
|
|
|
|
|
|
|
|
|
|
ldy #0
|
|
|
|
|
|
|
|
|
|
.3 lda (ZPLinePtr),y
|
|
|
|
|
beq .6
|
|
|
|
|
|
|
|
|
|
jsr SRC.IsKeywordLetterUC
|
|
|
|
|
bcs .6
|
|
|
|
|
|
|
|
|
|
iny
|
|
|
|
|
cmp (ZPPtr1),y
|
|
|
|
|
bne .6
|
|
|
|
|
|
|
|
|
|
dex
|
|
|
|
|
bne .3
|
|
|
|
|
|
|
|
|
|
lda (ZPLinePtr),y All chars match...
|
|
|
|
|
beq .4 End of Line ?
|
|
|
|
|
|
|
|
|
|
jsr SRC.IsKeywordLetterUC
|
|
|
|
|
bcc .6 Additional letters...
|
|
|
|
|
|
|
|
|
|
.4 lda ZPLinePtr
|
|
|
|
|
clc
|
|
|
|
|
adc (ZPPtr1)
|
|
|
|
|
sta ZPLinePtr
|
|
|
|
|
bcc .5
|
|
|
|
|
inc ZPLinePtr+1
|
|
|
|
|
|
|
|
|
|
.5 plx Keyword.ID
|
|
|
|
|
clc
|
|
|
|
|
rts
|
|
|
|
|
|
|
|
|
|
.6 lda (ZPPtr1)
|
|
|
|
|
sec Add keyword Len+1
|
|
|
|
|
adc ZPPtr1
|
|
|
|
|
sta ZPPtr1
|
|
|
|
|
bcc .7
|
|
|
|
|
|
|
|
|
|
inc ZPPtr1+1
|
|
|
|
|
|
|
|
|
|
.7 plx Keyword.ID
|
|
|
|
|
inx
|
|
|
|
|
inx
|
|
|
|
|
bra .1
|
|
|
|
|
|
|
|
|
|
.9 plx
|
|
|
|
|
sec
|
|
|
|
|
rts
|
2015-10-30 16:34:59 +00:00
|
|
|
|
*---------------------------------------
|
2018-03-28 15:23:32 +00:00
|
|
|
|
SRC.IsAMReserved
|
|
|
|
|
ldx SRC.AM.RESERVED
|
|
|
|
|
.1 cmp SRC.AM.RESERVED,x
|
|
|
|
|
beq .8
|
|
|
|
|
dex
|
|
|
|
|
bne .1
|
|
|
|
|
sec
|
|
|
|
|
rts
|
|
|
|
|
.8 clc
|
|
|
|
|
rts
|
2015-12-17 16:57:35 +00:00
|
|
|
|
*---------------------------------------
|
2018-03-28 15:23:32 +00:00
|
|
|
|
SRC.IsMODReserved
|
|
|
|
|
ldx SRC.MOD.RESERVED
|
|
|
|
|
.1 cmp SRC.MOD.RESERVED,x
|
|
|
|
|
beq .8
|
|
|
|
|
dex
|
|
|
|
|
bne .1
|
|
|
|
|
sec
|
|
|
|
|
rts
|
|
|
|
|
|
|
|
|
|
.8 clc
|
|
|
|
|
rts
|
|
|
|
|
*---------------------------------------
|
|
|
|
|
SRC.IsEXPReserved
|
|
|
|
|
ldx SRC.EXP.RESERVED
|
|
|
|
|
.1 cmp SRC.EXP.RESERVED,x
|
|
|
|
|
beq SRC.IsEXPReserved.8
|
|
|
|
|
dex
|
|
|
|
|
bne .1
|
|
|
|
|
sec
|
|
|
|
|
rts
|
|
|
|
|
|
|
|
|
|
SRC.IsEXPReserved.8
|
|
|
|
|
clc
|
|
|
|
|
rts
|
2015-10-30 16:34:59 +00:00
|
|
|
|
*---------------------------------------
|
2018-02-01 16:30:18 +00:00
|
|
|
|
SRC.IsKeywordLetterUC
|
2018-03-28 15:23:32 +00:00
|
|
|
|
cmp #'.'
|
|
|
|
|
beq SRC.IsEXPReserved.8
|
|
|
|
|
|
|
|
|
|
cmp #'_'
|
|
|
|
|
beq SRC.IsEXPReserved.8
|
|
|
|
|
|
|
|
|
|
cmp #'A'
|
|
|
|
|
bcc .9
|
|
|
|
|
cmp #'Z'+1
|
|
|
|
|
bcc .99
|
|
|
|
|
|
|
|
|
|
cmp #'a'
|
|
|
|
|
bcc .9
|
|
|
|
|
cmp #'z'+1
|
|
|
|
|
|
|
|
|
|
eor #$20
|
|
|
|
|
|
|
|
|
|
rts CC if lowercase
|
|
|
|
|
|
|
|
|
|
.9 sec
|
|
|
|
|
.99 rts
|
|
|
|
|
*---------------------------------------
|
|
|
|
|
|
2018-01-26 16:19:17 +00:00
|
|
|
|
*---------------------------------------
|
2018-03-28 15:23:32 +00:00
|
|
|
|
SRC.IsLetterOrDigit
|
|
|
|
|
jsr SRC.IsDigit10
|
|
|
|
|
bcc SRC.IsLetterRTS
|
2015-10-06 16:14:48 +00:00
|
|
|
|
*---------------------------------------
|
2018-03-28 15:23:32 +00:00
|
|
|
|
SRC.IsLetter cmp #'A'
|
|
|
|
|
bcc .9
|
|
|
|
|
cmp #'Z'+1
|
|
|
|
|
bcc SRC.IsLetterRTS
|
|
|
|
|
|
|
|
|
|
cmp #'a'
|
|
|
|
|
bcc .9
|
|
|
|
|
cmp #'z'+1
|
|
|
|
|
rts CC if lowercase
|
|
|
|
|
|
|
|
|
|
.9 sec
|
|
|
|
|
SRC.IsLetterRTS rts
|
2015-10-06 16:14:48 +00:00
|
|
|
|
*---------------------------------------
|
2018-03-28 15:23:32 +00:00
|
|
|
|
SRC.IsDigit16 jsr SRC.IsDigit10
|
|
|
|
|
bcc .8
|
|
|
|
|
cmp #'A'
|
|
|
|
|
bcc .9
|
|
|
|
|
cmp #'F'+1
|
|
|
|
|
bcc .1
|
|
|
|
|
|
|
|
|
|
cmp #'a'
|
|
|
|
|
bcc .9
|
|
|
|
|
cmp #'f'+1
|
|
|
|
|
bcs .9
|
|
|
|
|
|
|
|
|
|
eor #$20
|
|
|
|
|
|
2018-02-01 16:30:18 +00:00
|
|
|
|
.1
|
2018-03-28 15:23:32 +00:00
|
|
|
|
* clc
|
|
|
|
|
sbc #'A'-11 cc so A->10 (11-CC)
|
|
|
|
|
clc
|
|
|
|
|
|
|
|
|
|
.8 and #$0F
|
|
|
|
|
rts
|
|
|
|
|
|
|
|
|
|
.9 sec
|
|
|
|
|
rts
|
2015-10-28 16:55:12 +00:00
|
|
|
|
*---------------------------------------
|
2018-03-28 15:23:32 +00:00
|
|
|
|
SRC.IsDigit10 cmp #'0'
|
|
|
|
|
bcc .9
|
|
|
|
|
cmp #'9'+1
|
|
|
|
|
rts cc if ok, cs if not
|
|
|
|
|
|
|
|
|
|
.9 sec
|
|
|
|
|
rts
|
2015-10-30 16:34:59 +00:00
|
|
|
|
*---------------------------------------
|
2018-03-28 15:23:32 +00:00
|
|
|
|
SRC.IsDigit8 cmp #'0'
|
|
|
|
|
bcc .9
|
|
|
|
|
cmp #'7'+1
|
|
|
|
|
rts cc if ok, cs if not
|
|
|
|
|
|
|
|
|
|
.9 sec
|
|
|
|
|
rts
|
2018-01-11 16:34:09 +00:00
|
|
|
|
*---------------------------------------
|
2018-03-28 15:23:32 +00:00
|
|
|
|
SRC.GetNextCharNB
|
|
|
|
|
jsr SRC.GetNextChar
|
|
|
|
|
bcs .9
|
|
|
|
|
cmp #' '
|
|
|
|
|
beq SRC.GetNextCharNB
|
|
|
|
|
|
|
|
|
|
clc
|
|
|
|
|
|
|
|
|
|
.9 rts
|
2015-10-06 16:14:48 +00:00
|
|
|
|
*---------------------------------------
|
2018-03-28 15:23:32 +00:00
|
|
|
|
SRC.GetNextCharUC
|
|
|
|
|
jsr SRC.GetNextChar
|
|
|
|
|
bcs .9
|
|
|
|
|
cmp #'a'
|
|
|
|
|
bcc .8
|
|
|
|
|
cmp #'z'+1
|
|
|
|
|
bcs .8
|
|
|
|
|
eor #$20 to Uppercase
|
|
|
|
|
|
|
|
|
|
.8 clc
|
|
|
|
|
.9 rts
|
2018-01-11 16:34:09 +00:00
|
|
|
|
*---------------------------------------
|
2018-03-28 15:23:32 +00:00
|
|
|
|
SRC.GetNextChar lda (ZPLinePtr)
|
|
|
|
|
beq SRC.GetChar.ERR
|
|
|
|
|
cmp #$0D
|
|
|
|
|
beq SRC.GetChar.ERR
|
|
|
|
|
|
|
|
|
|
inc ZPLinePtr
|
|
|
|
|
bne SRC.GetChar
|
|
|
|
|
|
|
|
|
|
inc ZPLinePtr+1
|
|
|
|
|
|
|
|
|
|
SRC.GetChar lda (ZPLinePtr)
|
|
|
|
|
beq SRC.GetChar.ERR
|
|
|
|
|
cmp #$0D
|
|
|
|
|
beq SRC.GetChar.ERR
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clc
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rts
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SRC.GetChar.ERR sec
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rts
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2015-10-06 16:14:48 +00:00
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*---------------------------------------
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2018-03-28 15:23:32 +00:00
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SRC.ACC10 lda SRC.ACC ACC*2-> ACC & ACCTMP
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asl
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sta SRC.ACC
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sta SRC.ACCTMP
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lda SRC.ACC+1
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rol
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sta SRC.ACC+1
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sta SRC.ACCTMP+1
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lda SRC.ACC+2
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rol
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sta SRC.ACC+2
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sta SRC.ACCTMP+2
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lda SRC.ACC+3
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rol
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sta SRC.ACC+3
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sta SRC.ACCTMP+3
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bcs .9
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ldx #2
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.1 asl SRC.ACC ACC=ACC*4
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rol SRC.ACC+1
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rol SRC.ACC+2
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rol SRC.ACC+3
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bcs .9
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dex
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bne .1
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lda SRC.ACC CC from ROL SRC.ACC+3
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adc SRC.ACCTMP
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sta SRC.ACC
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lda SRC.ACC+1
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adc SRC.ACCTMP+1
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sta SRC.ACC+1
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lda SRC.ACC+2
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adc SRC.ACCTMP+2
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sta SRC.ACC+2
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lda SRC.ACC+3
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adc SRC.ACCTMP+3
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sta SRC.ACC+3 CS if overflow
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.9 rts
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2015-10-06 16:14:48 +00:00
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*---------------------------------------
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MAN
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2019-01-28 07:44:37 +00:00
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SAVE USR/SRC/BIN/ASM.S.SRC
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LOAD USR/SRC/BIN/ASM.S
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2015-10-06 16:14:48 +00:00
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ASM
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