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155 lines
5.5 KiB
ArmAsm
155 lines
5.5 KiB
ArmAsm
; ---------------------------------------------------------------------------
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; display.s
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;
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; for Sym-1
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;
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; Wayne Parham
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;
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; wayne@parhamdata.com
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; ---------------------------------------------------------------------------
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.include "sym1.inc"
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.export _fdisp, _set_D0, _get_D0
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.export _set_D1, _get_D1, _set_D2, _get_D2
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.export _set_D3, _get_D3, _set_D4, _get_D4
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.export _set_D5, _get_D5, _set_D6, _get_D6
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.segment "CODE"
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.proc _fdisp: near
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; ---------------------------------------------------------------------------
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jsr SCAND ; Flash Display
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lda #$00 ;
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ldx #$00 ;
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rts ; Return 0000
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; ---------------------------------------------------------------------------
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.endproc
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.proc _set_D0: near
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; ---------------------------------------------------------------------------
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sta DISBUF0 ; Write Digit 0
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lda #$00 ;
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ldx #$00 ;
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rts ; Return 0000
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; ---------------------------------------------------------------------------
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.endproc
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.proc _get_D0: near
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; ---------------------------------------------------------------------------
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lda DISBUF0 ; Read Digit 0
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ldx #$00 ;
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rts ; Return DISBUF0
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; ---------------------------------------------------------------------------
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.endproc
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.proc _set_D1: near
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; ---------------------------------------------------------------------------
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sta DISBUF1 ; Write Digit 1
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lda #$00 ;
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ldx #$00 ;
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rts ; Return 0000
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; ---------------------------------------------------------------------------
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.endproc
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.proc _get_D1: near
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; ---------------------------------------------------------------------------
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lda DISBUF1 ; Read Digit 1
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ldx #$00 ;
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rts ; Return DISBUF1
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; ---------------------------------------------------------------------------
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.endproc
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.proc _set_D2: near
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; ---------------------------------------------------------------------------
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sta DISBUF2 ; Write Digit 2
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lda #$00 ;
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ldx #$00 ;
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rts ; Return 0000
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; ---------------------------------------------------------------------------
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.endproc
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.proc _get_D2: near
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; ---------------------------------------------------------------------------
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lda DISBUF2 ; Read Digit 2
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ldx #$00 ;
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rts ; Return DISBUF2
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; ---------------------------------------------------------------------------
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.endproc
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.proc _set_D3: near
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; ---------------------------------------------------------------------------
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sta DISBUF3 ; Write Digit 3
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lda #$00 ;
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ldx #$00 ;
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rts ; Return 0000
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; ---------------------------------------------------------------------------
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.endproc
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.proc _get_D3: near
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; ---------------------------------------------------------------------------
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lda DISBUF3 ; Read Digit 3
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ldx #$00 ;
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rts ; Return DISBUF3
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; ---------------------------------------------------------------------------
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.endproc
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.proc _set_D4: near
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; ---------------------------------------------------------------------------
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sta DISBUF4 ; Write Digit 4
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lda #$00 ;
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ldx #$00 ;
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rts ; Return 0000
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; ---------------------------------------------------------------------------
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.endproc
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.proc _get_D4: near
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; ---------------------------------------------------------------------------
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lda DISBUF4 ; Read Digit 4
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ldx #$00 ;
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rts ; Return DISBUF4
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; ---------------------------------------------------------------------------
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.endproc
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.proc _set_D5: near
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; ---------------------------------------------------------------------------
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sta DISBUF5 ; Write Digit 5
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lda #$00 ;
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ldx #$00 ;
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rts ; Return 0000
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; ---------------------------------------------------------------------------
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.endproc
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.proc _get_D5: near
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; ---------------------------------------------------------------------------
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lda DISBUF5 ; Read Digit 5
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ldx #$00 ;
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rts ; Return DISBUF5
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; ---------------------------------------------------------------------------
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.endproc
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.proc _set_D6: near
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; ---------------------------------------------------------------------------
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sta DISBUF6 ; Write byte to the right of display
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lda #$00 ;
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ldx #$00 ;
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rts ; Return 0000
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; ---------------------------------------------------------------------------
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.endproc
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.proc _get_D6: near
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; ---------------------------------------------------------------------------
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lda DISBUF6 ; Read byte to the right of display
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ldx #$00 ;
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rts ; Return DISBUF6
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; ---------------------------------------------------------------------------
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.endproc
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