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Changes to I/O access

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This commit is contained in:
Wayne Parham
2021-06-09 10:23:42 -05:00
parent 2a25921515
commit 7d6541274d
8 changed files with 219 additions and 583 deletions
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126
libsrc/sym1/display.s
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@@ -1,29 +1,12 @@
;
; Wayne Parham (wayne@parhamdata.com)
;
; int fdisp (void);
; void set_D0 (char segments);
; int get_D0 (void);
; void set_D1 (char segments);
; int get_D1 (void);
; void set_D2 (char segments);
; int get_D2 (void);
; void set_D3 (char segments);
; int get_D3 (void);
; void set_D4 (char segments);
; int get_D4 (void);
; void set_D5 (char segments);
; int get_D5 (void);
; void set_D6 (char segments);
; int get_D6 (void);
; void fdisp (void);
;
.include "sym1.inc"
.export _fdisp, _set_D0, _get_D0
.export _set_D1, _get_D1, _set_D2, _get_D2
.export _set_D3, _get_D3, _set_D4, _get_D4
.export _set_D5, _get_D5, _set_D6, _get_D6
.export _fdisp
.segment "CODE"
@@ -34,108 +17,3 @@
.endproc
.proc _set_D0: near
sta DISBUF0 ; Write Digit 0
rts
.endproc
.proc _get_D0: near
lda DISBUF0 ; Read Digit 0
ldx #>$0000 ;
rts ; Return DISBUF0
.endproc
.proc _set_D1: near
sta DISBUF1 ; Write Digit 1
rts
.endproc
.proc _get_D1: near
lda DISBUF1 ; Read Digit 1
ldx #>$0000 ;
rts
.endproc
.proc _set_D2: near
sta DISBUF2 ; Write Digit 2
rts
.endproc
.proc _get_D2: near
lda DISBUF2 ; Read Digit 2
ldx #>$0000 ;
rts ; Return DISBUF2
.endproc
.proc _set_D3: near
sta DISBUF3 ; Write Digit 3
rts
.endproc
.proc _get_D3: near
lda DISBUF3 ; Read Digit 3
ldx #>$0000 ;
rts ; Return DISBUF3
.endproc
.proc _set_D4: near
sta DISBUF4 ; Write Digit 4
rts
.endproc
.proc _get_D4: near
lda DISBUF4 ; Read Digit 4
ldx #>$0000 ;
rts ; Return DISBUF4
.endproc
.proc _set_D5: near
sta DISBUF5 ; Write Digit 5
rts
.endproc
.proc _get_D5: near
lda DISBUF5 ; Read Digit 5
ldx #>$0000 ;
rts ; Return DISBUF5
.endproc
.proc _set_D6: near
sta DISBUF6 ; Write byte to the right of display
rts
.endproc
.proc _get_D6: near
lda DISBUF6 ; Read byte to the right of display
ldx #>$0000 ;
rts ; Return DISBUF6
.endproc