diff options
| author | Alexey 'Cluster' Avdyukhin <clusterrr@clusterrr.com> | 2020-12-28 14:03:24 +0300 |
|---|---|---|
| committer | Alexey 'Cluster' Avdyukhin <clusterrr@clusterrr.com> | 2020-12-28 14:03:24 +0300 |
| commit | 9d50ee9f0ef848dc232d6a106a57f8c06b5901cf (patch) | |
| tree | 67985c769d40f19eac0ba75cb2440b0024f3ac26 /buttons.asm | |
| parent | 35177a5b23aec62e612991af4992ebce46916194 (diff) | |
Using constants instead of .db/.dw
Diffstat (limited to 'buttons.asm')
| -rw-r--r-- | buttons.asm | 36 |
1 files changed, 18 insertions, 18 deletions
diff --git a/buttons.asm b/buttons.asm index 6e33347..2d0b471 100644 --- a/buttons.asm +++ b/buttons.asm @@ -102,11 +102,11 @@ buttons_check: jsr .check_separator_up
jmp .button_end
.button_up_ovf:
- lda games_count
+ lda #GAMES_COUNT & $FF
sec
sbc #1
sta <SELECTED_GAME
- lda games_count+1
+ lda #(GAMES_COUNT >> 8) & $FF
sbc #0
sta <SELECTED_GAME+1
jsr .check_separator_up
@@ -124,10 +124,10 @@ buttons_check: lda <SELECTED_GAME+1
adc #0
sta <SELECTED_GAME+1
- cmp games_count+1
+ cmp #(GAMES_COUNT >> 8) & $FF
bne .button_down_not_ovf
lda <SELECTED_GAME
- cmp games_count
+ cmp #GAMES_COUNT & $FF
beq .button_down_ovf
.button_down_not_ovf:
jsr .check_separator_down
@@ -193,14 +193,14 @@ buttons_check: lda <SELECTED_GAME
clc
adc #1
- cmp games_count
+ cmp #GAMES_COUNT & $FF
bne .button_right_bleep
lda <SELECTED_GAME
clc
adc #1
lda <SELECTED_GAME+1
adc #0
- cmp games_count+1
+ cmp #(GAMES_COUNT >> 8) & $FF
bne .button_right_bleep
jmp .button_end
.button_right_bleep:
@@ -215,16 +215,16 @@ buttons_check: ; scrolling overflow test
lda <SCROLL_LINES_TARGET
sec
- sbc maximum_scroll
+ sbc #MAXIMUM_SCROLL & $FF
lda <SCROLL_LINES_TARGET+1
- sbc maximum_scroll+1
+ sbc #(MAXIMUM_SCROLL >> 8) & $FF
bcs .button_right_ovf
.button_right_not_ovf:
jmp .button_right2
.button_right_ovf:
- lda maximum_scroll
+ lda #MAXIMUM_SCROLL & $FF
sta <SCROLL_LINES_TARGET
- lda maximum_scroll+1
+ lda #(MAXIMUM_SCROLL >> 8) & $FF
sta <SCROLL_LINES_TARGET+1
.button_right2:
lda <SELECTED_GAME
@@ -237,19 +237,19 @@ buttons_check: ; selected game overflow test
lda <SELECTED_GAME
sec
- sbc games_count
+ sbc #GAMES_COUNT & $FF
lda <SELECTED_GAME+1
- sbc games_count+1
+ sbc #(GAMES_COUNT >> 8) & $FF
bcs .button_right_ovf2
.button_right_not_ovf2:
jsr .check_separator_up
jmp .button_end
.button_right_ovf2:
- lda games_count
+ lda #GAMES_COUNT & $FF
sec
sbc #1
sta <SELECTED_GAME
- lda games_count+1
+ lda #(GAMES_COUNT >> 8) & $FF
sbc #0
sta <SELECTED_GAME+1
jsr .check_separator_up
@@ -279,10 +279,10 @@ buttons_check: lda <SELECTED_GAME+1
adc #0
sta <SELECTED_GAME+1
- cmp games_count+1
+ cmp #(GAMES_COUNT >> 8) & $FF
bne .check_separator_down
lda <SELECTED_GAME
- cmp games_count
+ cmp #GAMES_COUNT & $FF
bne .check_separator_down
lda #0
sta <SELECTED_GAME
@@ -309,11 +309,11 @@ buttons_check: sbc #0
sta <SELECTED_GAME+1
bpl .check_separator_up
- lda games_count
+ lda #GAMES_COUNT & $FF
sec
sbc #1
sta <SELECTED_GAME
- lda games_count+1
+ lda #(GAMES_COUNT >> 8) & $FF
sbc #0
sta <SELECTED_GAME+1
jmp .check_separator_up
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