mirror of https://github.com/A2osX/A2osX.git
274 lines
4.1 KiB
Plaintext
274 lines
4.1 KiB
Plaintext
NEW
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AUTO 3,1
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*--------------------------------------
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CL.PrintPrompt >PUSHW L.MSG.PROMPT
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>PUSHBI 0
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>SYSCALL PrintF
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rts
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*--------------------------------------
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CL.READN0A tax
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CL.READN0X >PUSHW ZPCLBuf
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>PUSHW L.FMT.Byte
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txa
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>PUSHA
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>PUSHBI 1
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>SYSCALL SPrintF
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bcs .9
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lda #$ff
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sta CL.bReady
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* clc
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.9 rts
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*--------------------------------------
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CL.CHARIN tax
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bit CL.bEscMode \e ?
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bpl .4
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cpx #'['
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beq .8 \e[
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stz CL.bEscMode
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txa
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ldx #EscChars.Cnt-1
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.1 cmp EscChars,x
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beq .2
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dex
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bpl .1
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.8 rts invalid \e[ sequence
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.2 lda CL.MaxCnt
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bne .3
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lda EscChars.Remap,x
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bra CL.READN0A
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.3 txa
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asl
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tax
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jmp (J.ESC,x)
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*--------------------------------------
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.4 cpx #C.ESC
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bne .5
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lda #$ff
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sta CL.bEscMode
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clc
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rts
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.5 lda CL.MaxCnt
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beq CL.READN0X
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cpx #C.SPACE
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bcc CL.CHARIN.CTRL
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cpx #C.DEL
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bne CL.Insert
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*--------------------------------------
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* Erase char BEFORE cursor
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*--------------------------------------
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lda CL.Len
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beq .8
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lda CL.Ptr
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beq .8
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lda #C.BS
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>SYSCALL PutChar
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dec CL.Ptr
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jmp CL.DEL
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*--------------------------------------
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CL.Insert ldy CL.Len
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cpy CL.MaxCnt
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beq .8 Buffer full, discard...
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iny
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sty CL.Len
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.1 dey
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lda (ZPCLBuf),y Move from Ptr To end of buffer forward...
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iny
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sta (ZPCLBuf),y
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dey
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cpy CL.Ptr
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bne .1
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txa
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sta (ZPCLBuf),y
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inc CL.Ptr
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>SYSCALL PutChar
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jsr CL.PrintEOL
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lda CL.MaxCnt
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dec MaxCnt = 1, don't wait for CR
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bne .8
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lda #$ff
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sta CL.bReady
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.8 clc
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rts
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*--------------------------------------
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CL.CHARIN.CTRL cpx #C.CR
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beq .8
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cpx #C.EOF
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beq .9
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cpx #3 Ctrl-C
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beq CL.CLR
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cpx #C.TAB
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bne .1
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jmp HIS.Select
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.1 cpx #26 Ctrl-Z
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bne .8
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jmp CL.SUPPR
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.8 jsr CheckLFAfterCR
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bcs .9
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lda #$ff
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sta CL.bReady
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clc
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.9 rts
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*--------------------------------------
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CL.CLR lda (ZPCLBuf)
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beq CL.Reset.1
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.1 lda CL.Ptr
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cmp CL.Len
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beq .2
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inc
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sta CL.Ptr
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lda #C.FS
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>SYSCALL PutChar
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bra .1
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.2 ldy #0
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.3 lda #C.DEL
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sta (ZPCLBuf),y
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iny
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lda (ZPCLBuf),y
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bne .3
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jsr CL.Print
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*--------------------------------------
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CL.Reset lda #0
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sta (ZPCLBuf)
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CL.Reset.1 ldx #CL.Ptr
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.1 stz 0,x
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inx
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cpx #CL.bEscMode+1
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bne .1
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>LDYA ZPCLBuf
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>STYA ZPCLBufPtr
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rts
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*--------------------------------------
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CL.BS lda CL.Ptr
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beq .9
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dec CL.Ptr
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lda #C.BS
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>SYSCALL PutChar
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.9 rts
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*--------------------------------------
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CL.NAK lda CL.Ptr
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cmp CL.Len
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beq .9
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inc
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sta CL.Ptr
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lda #C.FS
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>SYSCALL PutChar
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.9 rts
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*--------------------------------------
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* Erase char UNDER cursor
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*--------------------------------------
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CL.SUPPR lda CL.Len
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beq CL.PrintEOL.8
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lda CL.Ptr
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cmp CL.Len
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beq CL.PrintEOL.8
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*--------------------------------------
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CL.DEL ldy CL.Ptr
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.1 iny
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lda (ZPCLBuf),y
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dey
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sta (ZPCLBuf),y
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iny
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cpy CL.Len
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bne .1
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dec CL.Len
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*--------------------------------------
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CL.PrintEOL lda CL.Ptr
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.1 cmp CL.Len
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beq .2
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pha
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tay
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lda (ZPCLBuf),y
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>SYSCALL PutChar
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pla
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inc
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bra .1
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.2 lda #C.SPACE
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>SYSCALL PutChar
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lda CL.Ptr
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.3 cmp CL.Len
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beq .4
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pha
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lda #C.BS
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>SYSCALL PutChar
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pla
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inc
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bra .3
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.4 lda #C.BS
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>SYSCALL PutChar
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CL.PrintEOL.8 clc
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rts
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*--------------------------------------
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CL.Print ldy #S.PS.hStdOut
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lda (pPS),y
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>PUSHA
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>PUSHW ZPCLBuf
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>SYSCALL FPutS
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rts
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*--------------------------------------
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MAN
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SAVE usr/src/bin/forth.s.cl
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LOAD usr/src/bin/forth.s
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ASM
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