A2osX/BIN/ACOS.S.KW.txt
2023-07-14 12:24:49 +02:00

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NEW
AUTO 3,1
.LIST OFF
*--------------------------------------
KW.ADDINT
KW.APPEND
KW.BYTE
KW.CLEAR
KW.CLOCK
KW.CLOSE
KW.COPY
KW.CREATE
KW.ECHO
KW.EDIT
lda #E.CSYN
sec
rts
*--------------------------------------
KW.FILL
KW.FLAG
lda #E.CSYN
sec
rts
*--------------------------------------
* FOR var = exp1 TO exp2 STEP exp3 ... NEXT
*--------------------------------------
KW.FOR jsr CORE.GetNextCharNB
bcs .98
jsr CORE.CreateOrGetVar
bcs .99
lda VAR.TYPE
bne .97
jsr CORE.GetNextCharNB
bcs .98
cmp #'='
bne .98
jsr KW.GetIntExp
bcs .99
jsr CODE.LDVARDDRI
ldx #RT.IntSet.ID
jsr CODE.JSRRT set var = START value
>LDYA L.ACOS.KW
jsr CORE.LookupSkip
bcs .98
cpx #KWID.TO
bne .98
*--------------------------------------
jsr KW.PushCodePtr2CCS NEXT will JMP back here
*--------------------------------------
jsr CODE.LDVARDDRI
ldx #RT.IntGet.ID
jsr CODE.JSRRT get var value on stack
jsr KW.GetIntExp get exp2 on stack
bcs .99
ldx #FPU.iNE var value = exp 2 ?
jsr CODE.FPUCALL
jsr CODE.TESTTRUE
jsr KW.FalseJMP2CCS if false, exit after NEXT
>LDYA L.ACOS.KW
jsr CORE.Lookup
bcs .98
cpx #KWID.STEP
bne .1
lda #4
jsr CORE.SkipA skip "STEP"
jsr KW.GetIntExp get exp3 value on stack
bcs .99
bra .2
.1 ldy #1 push 1 on stack
ldx #0
jsr CODE.PUSHYXI
.2 ldy VAR.ADDR push Address to update by NEXT
ldx VAR.ADDR+1
jsr CODE.PUSHYXI
clc
lda #KWID.FOR
jmp KW.PushA2CCS
.97 lda #E.TMISMATCH
sec
rts
.98 lda #E.CSYN
sec
.99 rts
*--------------------------------------
KW.NEXT ldy pCCS
bmi .98
lda (pData),y
cmp #KWID.FOR
bne .98
jsr CODE.PULLYX pull var address from stack
ldx #RT.IntGet.ID will set VAR.ADDR
jsr CODE.JSRRT get var value on stack
ldx #FPU.iADD new value = value + STEP (on stack)
jsr CODE.FPUCALL
ldx #RT.IntUpd.ID
jsr CODE.JSRRT set var = new value
ldy pCCS
iny pull JMP FALSE address
lda (pData),y
sta ZPPtr1
iny
lda (pData),y
sta ZPPtr1+1
lda #$4C JMP abs ...
jsr CODE.EmitByte
iny ...to loop address
lda (pData),y
jsr CODE.EmitByte
iny
lda (pData),y
jsr CODE.EmitByte
lda ZPCodeBufPtr and finally update JMP FALSE
sta (ZPPtr1)
lda ZPCodeBufPtr+1
ldy #1
sta (ZPPtr1),y
lda pCCS
clc
adc #5
sta pCCS
clc
rts
.98
KW.TO
KW.STEP lda #E.NOFOR
sec
rts
*--------------------------------------
KW.FREE
lda #E.CSYN
sec
rts
*--------------------------------------
KW.GET jsr CORE.GetNextCharNB
bcs .9
jsr CORE.CreateOrGetVar
bcs .99
ldx #RT.GET.ID
jsr CODE.JSRRT
jsr CODE.LDVARDDRI
ldx #RT.StrSet.ID
clc
jmp CODE.JSRRT
.9 lda #E.CSYN
sec
.99 rts
*--------------------------------------
KW.GOSUB lda #$20 JSR abs
bra KW.GOTO1
*--------------------------------------
KW.GOTO lda #$4C JMP abs
KW.GOTO1 jsr CODE.EmitByte
jsr CORE.GetNextCharNB
bcs .90
jsr CORE.GetLabel
bcc .1
jsr CORE.AddFWRef
bcs .99
.1 lda VAR.ADDR
jsr CODE.EmitByte
lda VAR.ADDR+1
clc
jmp CODE.EmitByte
.90 lda #E.CSYN
.99 rts
*--------------------------------------
KW.HOME ldx #8 CLRSCR
jsr CODE.LDXI
ldx #RT.OUTX.ID
clc
jmp CODE.JSRRT
*--------------------------------------
* IF exp THEN st1 ELSE st2
*--------------------------------------
KW.IF jsr EXP.Eval
bcs .99
lda EXP.TYPE
bne .98
jsr CODE.TESTTRUE
jsr KW.FalseJMP2CCS
lda #KWID.IF
clc
jmp KW.PushA2CCS
.98 lda #E.TMISMATCH
sec
.99 rts
*--------------------------------------
KW.ENDIF sec
.HS 90 BCC
*--------------------------------------
KW.ELSE clc
ldy pCCS
bmi .9
lda (pData),y
eor #KWID.IF
bne .9
iny
lda (pData),y
sta ZPPtr1
iny
lda (pData),y
sta ZPPtr1+1 ZPPtr1 = JMP if FALSE
bcs .5 ENDIF
lda #$4C JMP abs
jsr CODE.EmitByte
ldy pCCS
iny
lda ZPCodeBufPtr
sta (pData),y
iny
lda ZPCodeBufPtr+1
sta (pData),y
lda ZPCodeBufPtr
clc
adc #2
sta ZPCodeBufPtr
bcc .1
inc ZPCodeBufPtr+1
.1 lda ZPCodeBufPtr
sta (ZPPtr1)
lda ZPCodeBufPtr+1
ldy #1
sta (ZPPtr1),y
clc
rts
.5 lda ZPCodeBufPtr
sta (ZPPtr1)
ldy #1
lda ZPCodeBufPtr+1
sta (ZPPtr1),y
lda pCCS
clc
adc #3
sta pCCS
clc
rts
.9 lda #E.NOIF
sec
rts
*--------------------------------------
KW.INFO
lda #E.CSYN
sec
rts
*--------------------------------------
KW.INPUT stz hIn Defaut to Keyboard
jsr CORE.GetNextCharNB
bcs .9
cmp #'"'
bne .5
jsr EXP.CreateStrConst
bcs .99
ldx #RT.StrOut.ID
jsr CODE.JSRRT
.5 jsr CORE.CreateOrGetVar
bcs .99
ldx #RT.INPUT.ID
jsr CODE.JSRRT
jsr CODE.LDVARDDRI
ldx #RT.StrSet.ID
clc
jmp CODE.JSRRT
.9 lda #E.CSYN
sec
.99 rts
*--------------------------------------
KW.KILL
KW.LINK
KW.LOG
KW.MARK
KW.MODEM
KW.MOVE
KW.MSG
lda #E.CSYN
sec
rts
*--------------------------------------
KW.NIBBLE
KW.NOT
KW.ON
KW.NOCAR lda #E.CSYN
sec
rts
*--------------------------------------
KW.OPEN
lda #E.CSYN
sec
rts
*--------------------------------------
KW.POKE
KW.POP
KW.POSITION
lda #E.CSYN
sec
rts
*--------------------------------------
KW.PRINT stz ZPPtr2 put ending CR
stz hOut Default to screen
jsr CORE.GetCharNB
bcs .8
.11 cmp #'\'
bne .13
.12 ldx #RT.OUTCRLF.ID
jsr CODE.JSRRT
bra .72
.13 jsr CORE.IsEndInst
bcs .8
jsr CORE.IsKW
bcc .8
stz ZPPtr2 put ending CR
jsr EXP.Eval
bcs .99
lda EXP.TYPE
beq .6
ldx #RT.StrOut.ID
bra .7
.6 ldx #RT.IntOut.ID
.7 jsr CODE.JSRRT
*--------------------------------------
jsr CORE.GetCharNB
bcs .8
.70 cmp #'\'
beq .12
jsr CORE.IsEndInst
bcs .8
jsr CORE.IsKW
bcc .8
lda (ZPInputBufPtr)
cmp #','
bne .71
tax
jsr CODE.PutChar
bra .72 go skip
.71 cmp #';'
bne .90
ror ZPPtr2 suppress ending CR
.72 jsr CORE.GetNextCharNB skip "/", ";" or ","
bcc .11
.8 bit ZPPtr2
bmi .80
ldx #RT.OUTCRLF.ID
jsr CODE.JSRRT
.80 clc
rts
.90 lda #E.CSYN
sec
.99 rts
*--------------------------------------
KW.PUBLIC
KW.PUSH
KW.RAM
KW.RAM2
KW.READ
KW.READY
lda #E.CSYN
sec
rts
*--------------------------------------
KW.RETURN
* TODO : check context
KW.END lda #$60 RTS
clc
jmp CODE.EmitByte
*--------------------------------------
KW.REWIND
KW.RIPCO
KW.SET
KW.SETINT
KW.TEXT
lda #E.CSYN
sec
rts
*--------------------------------------
KW.THEN ldy pCCS
lda (pData),y
eor #KWID.IF
bne .9
clc
rts
.9 lda #E.NOIF
sec
rts
*--------------------------------------
KW.TONE
KW.UPDATE
KW.USE
KW.WHENd
KW.WRITE
lda #E.CSYN
sec
rts
*--------------------------------------
KW.GetIntExp jsr CORE.GetNextCharNB
bcs .98
jsr EXP.Eval
bcs .99
lda EXP.TYPE
beq .99
lda #E.TMISMATCH
sec
rts
.98 lda #E.CSYN
* sec
.99 rts
*--------------------------------------
KW.PushA2CCS ldy pCCS
dey
sta (pData),y
sty pCCS
rts
*--------------------------------------
KW.FalseJMP2CCS jsr KW.PushCodePtr2CCS
lda ZPCodeBufPtr
clc
adc #2
sta ZPCodeBufPtr
bcc .8
inc ZPCodeBufPtr+1
.8 rts
*--------------------------------------
KW.PushCodePtr2CCS
ldy pCCS
dey
lda ZPCodeBufPtr+1
sta (pData),y
dey
lda ZPCodeBufPtr
sta (pData),y
sty pCCS
rts
*--------------------------------------
MAN
SAVE usr/src/bin/acos.s.kw
LOAD usr/src/bin/acos.s
ASM