A2osX/BIN/SH.S.EXP.txt
2020-01-08 08:13:42 +01:00

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NEW
AUTO 3,1
.LIST OFF
*--------------------------------------
EXP.GET jsr CORE.ArgV.Next
bne .1
>LDYA ZPArgVBufPrev no op, return text value
clc
rts
.1 >LDYA ZPArgVBufPrev
jsr EXP.GetInt32YA To Int32 on stack
bcs .9
.2 >LDYA L.EXP.OP.MATH + - .... ?
jsr CORE.LookupArgVBuf
bcs .94
stx CORE.Operator
jsr CORE.ArgV.Next get next argument
beq .94
jsr EXP.GetInt32Arg To Int32 on stack
bcs .94
jsr EXP.FPU.EXEC
jsr CORE.ArgV.Next another op ?
bne .2
.8 >PUSHBI 4 ACC on stack
>PUSHW L.FMT.Long
>LEA.G M32.BUF
>SYSCALL sprintf
bcs .9
>LEA.G M32.BUF
rts
.94 jsr IncPStack4
.9 jmp EXP.E.ESYN
EXP.FPU.EXEC ldy CORE.Operator
ldx EXP.OP.MATH.FPU,y
jmp A2osX.FpuCall
*--------------------------------------
EXP.TEST lda (ZPArgVBufPtr)
beq .9
lda #$80
sta CORE.LogicOp No Op
.10 >LDYA L.EXP.BEGIN
jsr CORE.LookupArgVBuf
bcs .9
dex 0=[ or 1=![ , $ff or 0
txa
asl in C
php
lda CORE.TestResult get parent
asl discard true/false
plp get new
ror set ctx and parent
sta CORE.TestResult
jsr CORE.ArgV.Next
beq .9
>LDYA L.EXP.OP.UNARY -d -e -f -n -z ?
jsr CORE.LookupArgVBuf
bcs .1
stx CORE.Operator
jsr EXP.TEST.UNARY
bcs .9
eor CORE.TestResult
sta CORE.TestResult
lda (ZPArgVBufPtr)
bra .8 go check ]
.9 jmp EXP.E.ESYN
.1 jsr CORE.ArgV.Next
beq .9
>LDYA L.EXP.OP.BINARY -eq -ne .... ?
jsr CORE.LookupArgVBuf
bcs .9
stx CORE.Operator
jsr EXP.TEST.BINARY
bcs .9
eor CORE.TestResult
sta CORE.TestResult
jsr CORE.ArgV.Next
beq .9
.8 cmp #']'
bne .9
ldy #1
lda (ZPArgVBufPtr),y
bne .9
jsr CORE.ArgV.Next
beq .80
>LDYA L.EXP.OP.LOGIC
jsr CORE.LookupArgVBuf
bcs .9
stx CORE.LogicOp 0 = AND, 1 = OR
txa
beq .84
lda CORE.TestResult OR : prev test is true, exit
bmi .88
bra .85
.84 lda CORE.TestResult AND : prev test is false, exit
bpl .88
.85 lda CORE.TestResult
sta CORE.PrevTestResult
jsr CORE.ArgV.Next
beq .9
jmp .10
.80 lda CORE.LogicOp
bne .88 NONE, or OR : exit with last result
lda CORE.PrevTestResult AND : stop if false
and CORE.TestResult
sta CORE.TestResult
.88 clc
rts
*--------------------------------------
EXP.TEST.UNARY jsr CORE.ArgV.Next
beq EXP.OP.UNARY.ESYN we need one arg or ]
lda CORE.Operator
asl
tax
jmp (J.EXP.OP.UNARY,x)
EXP.OP.UNARY.ESYN
jmp EXP.E.ESYN
EXP.OP.UNARY.D jsr IO.StatArgVBufPtr
bcs EXP.OP.UNARY.DEF.9
cmp #S.FI.T.DIR
bne EXP.OP.UNARY.DEF.9
bra EXP.OP.UNARY.DEF.8
EXP.OP.UNARY.E jsr IO.StatArgVBufPtr
bcs EXP.OP.UNARY.DEF.9
bra EXP.OP.UNARY.DEF.8 DIR or FILE exist
EXP.OP.UNARY.F jsr IO.StatArgVBufPtr
bcs EXP.OP.UNARY.DEF.9
cmp #S.FI.T.DIR
beq EXP.OP.UNARY.DEF.9
EXP.OP.UNARY.DEF.8
sec true
.HS 90 BCC
EXP.OP.UNARY.DEF.9
clc false
jsr CORE.ArgV.Next
lda #0
ror
* clc
EXP.OP.UNARY.DEF.RTS
rts
*--------------------------------------
EXP.OP.UNARY.I jsr EXP.GetInt32Arg
bcs EXP.OP.UNARY.DEF.9
jsr IncPStack4 Discard Long
bra EXP.OP.UNARY.DEF.8
*--------------------------------------
EXP.OP.UNARY.N jsr EXP.OP.UNARY.Z
bcs EXP.OP.UNARY.DEF.RTS
eor #$80
* clc
rts
EXP.OP.UNARY.Z lda (ZPArgVBufPtr) [ -Z ] ?
cmp #']'
bne .1
lda #$80 TRUE
clc
rts
.1 jsr CORE.ArgV.Next
beq EXP.TEST.BINARY.ESYN
eor #']'
bne EXP.TEST.BINARY.ESYN
clc FALSE
rts
*--------------------------------------
EXP.OP.UNARY.X jsr CMD.CALL.GETFUNC
bcs EXP.OP.UNARY.DEF.9 FALSE
bra EXP.OP.UNARY.DEF.8 TRUE
*--------------------------------------
EXP.TEST.BINARY lda CORE.Operator
cmp #6 =, !=, <= <, >=, >
bcs EXP.TEST.BINARY.NUM
>LDYA ZPArgVBufPrev
>STYA ZPPtr1
jsr CORE.ArgV.Next
beq EXP.TEST.BINARY.ESYN
>PUSHW ZPPtr1
>LDYA ZPArgVBufPtr
>SYSCALL strcmp
bcs .1 CS if !=
lda #%010 010 str1 = str2
bra EXP.TEST.BINARY.END
.1 asl CS if <
bcs .2
lda #%100 010 str1 < str2
bra EXP.TEST.BINARY.END
.2 lda #%001 010 str1 > str2
bra EXP.TEST.BINARY.END
EXP.TEST.BINARY.ESYN4
jsr IncPStack4
EXP.TEST.BINARY.ESYN
jmp EXP.E.ESYN
*--------------------------------------
EXP.TEST.BINARY.NUM
>LDYA ZPArgVBufPrev
jsr EXP.GetInt32YA
bcs EXP.TEST.BINARY.ESYN
jsr CORE.ArgV.Next
beq EXP.TEST.BINARY.ESYN4
jsr EXP.GetInt32Arg
bcs EXP.TEST.BINARY.ESYN4
>FPU CMP32
tax
bmi .4 ACC < ARG
bne .5
lda #%010 010 ACC = ARG
bra EXP.TEST.BINARY.END
.4 lda #%100 100 ACC > ARG
bra EXP.TEST.BINARY.END
.5 lda #%001 001 ACC < ARG
EXP.TEST.BINARY.END
clc
ldx CORE.Operator
and EXP.OP.BINARY.BITS,x
beq .8 false
lda #$80 true
.8 rts
*--------------------------------------
EXP.GetInt8Exp jsr EXP.GET
bcc EXP.GetInt8YA
rts
EXP.GetInt8Arg >LDYA ZPArgVBufPtr
EXP.GetInt8YA jsr EXP.GetInt32YA
bcs .9
>PULLA
jsr IncPStack3
* clc
.9 rts
*--------------------------------------
EXP.GetInt32Arg >LDYA ZPArgVBufPtr
EXP.GetInt32YA pha
>PUSHBI 10
>PUSHWI ZPPtr1
pla
>SYSCALL strtol
bcs EXP.E.ESYN
lda (ZPPtr1)
beq EXP.GetInt32YA.RTS
EXP.E.ESYN lda #E.ESYN
sec
EXP.GetInt32YA.RTS
rts
*--------------------------------------
MAN
SAVE USR/SRC/BIN/SH.S.EXP
LOAD USR/SRC/BIN/SH.S
ASM