mirror of
https://github.com/A2osX/A2osX.git
synced 2024-11-25 20:33:13 +00:00
320 lines
5.8 KiB
Plaintext
320 lines
5.8 KiB
Plaintext
NEW
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AUTO 3,1
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.LIST OFF
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*--------------------------------------
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EXP.GET jsr CORE.ArgV.Next
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bne .1
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>LDYA ZPArgVBufPrev no op, return text value
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clc
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rts
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.1 >PUSHEA.G M32.BUF
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>PUSHW L.FMT.Long
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>LDYA ZPArgVBufPrev
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jsr EXP.GetInt32YA To Int32 on stack
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bcs .94 4 bytes on stack
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.2 >LDYA L.EXP.OP.MATH + - .... ?
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jsr CORE.LookupArgVBuf
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bcs .98
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stx CORE.Operator
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jsr CORE.ArgV.Next get next argument
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beq .98
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jsr EXP.GetInt32Arg To Int32 on stack
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bcs .98
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jsr EXP.FPU.EXEC
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jsr CORE.ArgV.Next another op ?
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bne .2
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>PUSHBI 4
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>SYSCALL SPrintF
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bcs .9
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>LEA.G M32.BUF
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rts
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.98 jsr IncPStack4
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.94 jsr IncPStack4
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.9 jmp EXP.E.ESYN
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EXP.FPU.EXEC ldy CORE.Operator
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ldx EXP.OP.MATH.FPU,y
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jmp A2osX.FPUCALL
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*--------------------------------------
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EXP.TEST lda (ZPArgVBufPtr)
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beq .9
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lda #$80
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sta CORE.LogicOp No Op
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.10 >LDYA L.EXP.BEGIN
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jsr CORE.LookupArgVBuf
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bcs .9
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dex 0=[ or 1=![ , $ff or 0
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txa
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asl in C
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php
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lda CORE.TestResult get parent
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asl discard true/false
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plp get new
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ror set ctx and parent
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sta CORE.TestResult
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jsr CORE.ArgV.Next
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beq .9
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>LDYA L.EXP.OP.UNARY -d -e -f -n -z ?
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jsr CORE.LookupArgVBuf
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bcs .1
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stx CORE.Operator
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jsr EXP.TEST.UNARY
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bcs .9
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eor CORE.TestResult
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sta CORE.TestResult
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lda (ZPArgVBufPtr)
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bra .8 go check ]
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.9 jmp EXP.E.ESYN
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.1 jsr CORE.ArgV.Next
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beq .9
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>LDYA L.EXP.OP.BINARY -eq -ne .... ?
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jsr CORE.LookupArgVBuf
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bcs .9
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stx CORE.Operator
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jsr EXP.TEST.BINARY
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bcs .9
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eor CORE.TestResult
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sta CORE.TestResult
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jsr CORE.ArgV.Next
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beq .9
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.8 cmp #']'
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bne .9
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ldy #1
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lda (ZPArgVBufPtr),y
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bne .9
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jsr CORE.ArgV.Next
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beq .80
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>LDYA L.EXP.OP.LOGIC
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jsr CORE.LookupArgVBuf
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bcs .9
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stx CORE.LogicOp 0 = AND, 1 = OR
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txa
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beq .84
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lda CORE.TestResult OR : prev test is true, exit
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bmi .88
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bra .85
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.84 lda CORE.TestResult AND : prev test is false, exit
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bpl .88
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.85 lda CORE.TestResult
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sta CORE.PrevTestResult
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jsr CORE.ArgV.Next
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beq .9
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jmp .10
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.80 lda CORE.LogicOp
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bne .88 NONE, or OR : exit with last result
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lda CORE.PrevTestResult AND : stop if false
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and CORE.TestResult
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sta CORE.TestResult
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.88 clc
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rts
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*--------------------------------------
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EXP.TEST.UNARY jsr CORE.ArgV.Next
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beq EXP.OP.UNARY.ESYN we need one arg or ]
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lda CORE.Operator
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asl
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tax
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jmp (J.EXP.OP.UNARY,x)
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EXP.OP.UNARY.ESYN
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jmp EXP.E.ESYN
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EXP.OP.UNARY.D jsr IO.StatArgVBufPtr
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bcs EXP.OP.UNARY.DEF.9
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cmp /S.STAT.MODE.DIR
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bne EXP.OP.UNARY.DEF.9
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bra EXP.OP.UNARY.DEF.8
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EXP.OP.UNARY.E jsr IO.StatArgVBufPtr
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bcs EXP.OP.UNARY.DEF.9
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bra EXP.OP.UNARY.DEF.8 DIR or FILE exist
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EXP.OP.UNARY.F jsr IO.StatArgVBufPtr
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bcs EXP.OP.UNARY.DEF.9
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cmp /S.STAT.MODE.DIR
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beq EXP.OP.UNARY.DEF.9
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EXP.OP.UNARY.DEF.8
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sec true
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.HS 90 BCC
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EXP.OP.UNARY.DEF.9
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clc false
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jsr CORE.ArgV.Next
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lda #0
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ror
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* clc
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EXP.OP.UNARY.DEF.RTS
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rts
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*--------------------------------------
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EXP.OP.UNARY.I jsr EXP.GetInt32Arg
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bcs EXP.OP.UNARY.DEF.9
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jsr IncPStack4 Discard Long
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bra EXP.OP.UNARY.DEF.8
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*--------------------------------------
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EXP.OP.UNARY.N jsr EXP.OP.UNARY.Z
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bcs EXP.OP.UNARY.DEF.RTS
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eor #$80
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* clc
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rts
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EXP.OP.UNARY.Z lda (ZPArgVBufPtr) [ -Z ] ?
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cmp #']'
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bne .1
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lda #$80 TRUE
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clc
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rts
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.1 jsr CORE.ArgV.Next
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beq EXP.TEST.BINARY.ESYN
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eor #']'
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bne EXP.TEST.BINARY.ESYN
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clc FALSE
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rts
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*--------------------------------------
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EXP.OP.UNARY.X jsr CMD.CALL.GETFUNC
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bcs EXP.OP.UNARY.DEF.9 FALSE
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bra EXP.OP.UNARY.DEF.8 TRUE
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*--------------------------------------
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EXP.TEST.BINARY lda CORE.Operator
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cmp #6
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bcc EXP.TEST.BINARY.NUM
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>LDYA ZPArgVBufPrev =, !=, <= <, >=, >
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>STYA ZPPtr1
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jsr CORE.ArgV.Next
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beq EXP.TEST.BINARY.ESYN
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>PUSHW ZPPtr1
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>PUSHW ZPArgVBufPtr
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>SYSCALL StrCmp
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bcs .1 CS if !=
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lda #%010 010 str1 = str2
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bra .3
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.1 asl CS if <
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bcs .2
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lda #%100 010 str1 < str2
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bra .3
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.2 lda #%001 010 str1 > str2
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.3 ldx CORE.Operator
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and EXP.OP.BINARY.BITS-6,x
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beq .8 false
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lda #$80 true
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.8 clc
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rts
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EXP.TEST.BINARY.ESYN4
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jsr IncPStack4
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EXP.TEST.BINARY.ESYN
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jmp EXP.E.ESYN
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*--------------------------------------
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EXP.TEST.BINARY.NUM
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>LDYA ZPArgVBufPrev
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jsr EXP.GetInt32YA
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bcs EXP.TEST.BINARY.ESYN
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jsr CORE.ArgV.Next
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beq EXP.TEST.BINARY.ESYN4
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jsr EXP.GetInt32Arg
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bcs EXP.TEST.BINARY.ESYN4
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lda CORE.Operator
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* clc
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adc #FPU.lL
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tax
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jsr A2osX.FPUCALL
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lda (pStack)
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beq .8 false
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lda #$80 true
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.8 >RET 4
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*--------------------------------------
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EXP.GetInt8Exp jsr EXP.GET
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bcc EXP.GetInt8YA
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rts
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EXP.GetInt8Arg >LDYA ZPArgVBufPtr
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EXP.GetInt8YA jsr EXP.GetInt32YA
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bcs .9
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>PULLA
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jsr IncPStack3
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* clc
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.9 rts
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*--------------------------------------
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EXP.GetInt32Arg >LDYA ZPArgVBufPtr
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EXP.GetInt32YA >PUSHYA
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>PUSHWI ZPPtr1
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>PUSHBI 10
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>SYSCALL StrToL
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bcs EXP.E.ESYN
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lda (ZPPtr1)
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beq EXP.GetInt32YA.RTS
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EXP.E.ESYN lda #E.ESYN
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sec
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EXP.GetInt32YA.RTS
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rts
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*--------------------------------------
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MAN
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SAVE usr/src/bin/sh.s.exp
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LOAD usr/src/bin/sh.s
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ASM
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