A2osX/BIN/SH.S.EXP.txt
2019-10-03 08:25:27 +02:00

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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
>SYSCALL AToL 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
>LDYA ZPArgVBufPtr
>SYSCALL AToL 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 >POP 4
.9 lda #E.ESYN
sec
rts
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 lda #E.ESYN
sec
.99 rts
.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
lda #E.ESYN
sec
rts
EXP.OP.UNARY.D jsr EXP.OP.UNARY.STAT
bcs EXP.OP.UNARY.DEF.9
>LDA.G StatBuf+S.STAT.P.TYPE
cmp #S.FI.T.DIR
bne EXP.OP.UNARY.DEF.9
bra EXP.OP.UNARY.DEF.8
EXP.OP.UNARY.E jsr EXP.OP.UNARY.STAT
bcs EXP.OP.UNARY.DEF.9
bra EXP.OP.UNARY.DEF.8 DIR or FILE exist
EXP.OP.UNARY.F jsr EXP.OP.UNARY.STAT
bcs EXP.OP.UNARY.DEF.9
>LDA.G StatBuf+S.STAT.P.TYPE
cmp #S.FI.T.DIR
beq EXP.OP.UNARY.DEF.9
bra EXP.OP.UNARY.DEF.8
EXP.OP.UNARY.STAT
>PUSHEA.G StatBuf
>LDYA ZPArgVBufPtr
>SYSCALL STAT
php
jsr CORE.ArgV.Next
plp
rts
EXP.OP.UNARY.DEF.8
lda #$80 true
clc
rts
EXP.OP.UNARY.DEF.9
lda #0 false
clc
rts
*--------------------------------------
EXP.OP.UNARY.N lda (ZPArgVBufPtr) [ -N ] ?
cmp #']'
beq EXP.OP.UNARY.DEF.9 FALSE
jsr CORE.ArgV.Next
beq EXP.OP.UNARY.ESYN
bra EXP.OP.UNARY.DEF.8 arg is not empty TRUE
EXP.OP.UNARY.Z lda (ZPArgVBufPtr) [ -Z ] ?
cmp #']'
beq EXP.OP.UNARY.DEF.8 TRUE
jsr CORE.ArgV.Next
beq EXP.OP.UNARY.ESYN
bra EXP.OP.UNARY.DEF.9 FALSE
*--------------------------------------
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
>POP 4
EXP.TEST.BINARY.ESYN
lda #E.ESYN
sec
rts
*--------------------------------------
EXP.TEST.BINARY.NUM
>LDYA ZPArgVBufPrev
>SYSCALL AToL
bcs EXP.TEST.BINARY.ESYN
jsr CORE.ArgV.Next
beq EXP.TEST.BINARY.ESYN4
>LDYA ZPArgVBufPtr
>SYSCALL AToL
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
*--------------------------------------
MAN
SAVE USR/SRC/BIN/SH.S.EXP
LOAD USR/SRC/BIN/SH.S
ASM