msbasic/inline.s
Michael Steil 3c64e1acab cleanup
2008-10-18 21:14:22 +00:00

134 lines
2.3 KiB
ArmAsm

.segment "CODE"
.ifndef CONFIG_NO_INPUTBUFFER_ZP
L2420:
.ifdef OSI
jsr OUTDO
.endif
dex
bpl INLIN2
L2423:
.ifdef OSI
jsr OUTDO
.endif
jsr CRDO
.endif
; ----------------------------------------------------------------------------
; READ A LINE, AND STRIP OFF SIGN BITS
; ----------------------------------------------------------------------------
.ifndef KBD
INLIN:
.ifdef APPLE
ldx #$DD
INLIN1:
stx $33
jsr L2900
cpx #$EF
bcs L0C32
ldx #$EF
L0C32:
lda #$00
sta INPUTBUFFER,x
ldx #<INPUTBUFFER-1
ldy #>INPUTBUFFER-1
rts
.endif
.ifndef APPLE
ldx #$00
INLIN2:
jsr GETLN
.ifndef CONFIG_NO_LINE_EDITING
cmp #$07
beq L2443
.endif
cmp #$0D
beq L2453
.ifndef CONFIG_NO_LINE_EDITING
cmp #$20
bcc INLIN2
.ifdef MICROTAN
cmp #$80
.else
cmp #$7D
.endif
bcs INLIN2
cmp #$40 ; @
beq L2423
.ifdef MICROTAN
cmp #$7F ; DEL
.else
cmp #$5F ; _
.endif
beq L2420
L2443:
.ifdef MICROTAN
cpx #$4F
.else
cpx #$47
.endif
bcs L244C
.endif
sta INPUTBUFFER,x
inx
.ifdef OSI
.byte $2C
.else
bne INLIN2
.endif
L244C:
.ifndef CONFIG_NO_LINE_EDITING
lda #$07 ; BEL
jsr OUTDO
bne INLIN2
.endif
L2453:
jmp L29B9
.endif
.endif
.ifndef KBD
.ifndef APPLE
GETLN:
.ifdef CONFIG_FILE
jsr CHRIN
ldy CURDVC
bne L2465
.else
jsr MONRDKEY
.endif
.ifdef OSI
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
and #$7F
.endif
.endif /* APPLE */
.ifdef APPLE
RDKEY:
jsr LFD0C
and #$7F
.endif
cmp #$0F
bne L2465
pha
lda Z14
eor #$FF
sta Z14
pla
L2465:
rts
.endif /* KBD */