mirror of https://github.com/mist64/msbasic.git
166 lines
2.8 KiB
ArmAsm
166 lines
2.8 KiB
ArmAsm
.segment "CODE"
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.ifndef CONFIG_NO_INPUTBUFFER_ZP
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L2420:
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.ifdef OSI
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jsr OUTDO
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.endif
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dex
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.ifdef AIM65
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bmi L2423
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jsr PSLS
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jmp INLIN2
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LB35F:
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jsr OUTDO
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.else
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bpl INLIN2
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.endif
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L2423:
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.ifdef OSI
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jsr OUTDO
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.endif
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jsr CRDO
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.endif
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; ----------------------------------------------------------------------------
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; READ A LINE, AND STRIP OFF SIGN BITS
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; ----------------------------------------------------------------------------
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.ifndef KBD
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INLIN:
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.ifdef APPLE
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ldx #$DD
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INLIN1:
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stx $33
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jsr L2900
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cpx #$EF
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bcs L0C32
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ldx #$EF
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L0C32:
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lda #$00
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sta INPUTBUFFER,x
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ldx #<INPUTBUFFER-1
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ldy #>INPUTBUFFER-1
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rts
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.endif
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.ifndef APPLE
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ldx #$00
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INLIN2:
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jsr GETLN
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.ifdef AIM65
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cmp #$1A
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bne INLINAIM
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jsr DU13
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jmp INLIN
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INLINAIM:
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.endif
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.ifndef CONFIG_NO_LINE_EDITING
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cmp #$07
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beq L2443
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.endif
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cmp #$0D
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beq L2453
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.ifndef CONFIG_NO_LINE_EDITING
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cmp #$20
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.ifdef AIM65
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bcc L244E
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.else
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bcc INLIN2
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.endif
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.ifdef MICROTAN
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cmp #$80
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.else
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.ifdef AIM65
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cmp #$7F
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beq L2420
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.endif
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cmp #$7D
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.endif
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bcs INLIN2
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cmp #$40 ; @
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.ifdef AIM65
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beq LB35F
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.else
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beq L2423
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.ifdef MICROTAN
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cmp #$7F ; DEL
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.else
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cmp #$5F ; _
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.endif
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beq L2420
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.endif
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L2443:
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.ifdef MICROTAN
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cpx #$4F
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.else
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cpx #$47
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.endif
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bcs L244C
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.endif
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sta INPUTBUFFER,x
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inx
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.if .def(OSI) || .def(AIM65)
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.byte $2C
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.else
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bne INLIN2
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.endif
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L244C:
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.ifndef CONFIG_NO_LINE_EDITING
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lda #$07 ; BEL
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L244E:
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jsr OUTDO
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bne INLIN2
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.endif
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L2453:
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jmp L29B9
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.endif
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.endif
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.ifndef KBD
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.ifndef APPLE
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GETLN:
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.ifdef CONFIG_FILE
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jsr CHRIN
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ldy CURDVC
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bne L2465
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.else
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jsr MONRDKEY
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.endif
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.ifdef OSI
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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and #$7F
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.endif
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.endif
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.ifdef APPLE
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RDKEY:
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jsr LFD0C
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and #$7F
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.endif
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.ifdef SYM1
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cmp #$14
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.else
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cmp #$0F
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.endif
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bne L2465
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pha
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lda Z14
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eor #$FF
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sta Z14
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pla
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L2465:
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rts
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.endif
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