From dae43e450716915c583f64da7a43ef8f501ba9a3 Mon Sep 17 00:00:00 2001 From: luckytyphlosion Date: Sun, 10 May 2015 15:45:20 -0400 Subject: Merge readjoypad.asm with joypad.asm --- engine/readjoypad.asm | 31 ------------------------------- 1 file changed, 31 deletions(-) delete mode 100644 engine/readjoypad.asm (limited to 'engine') diff --git a/engine/readjoypad.asm b/engine/readjoypad.asm deleted file mode 100644 index 96897455..00000000 --- a/engine/readjoypad.asm +++ /dev/null @@ -1,31 +0,0 @@ -ReadJoypad_:: ; c000 (3:4000) -; Poll joypad input. -; Unlike the hardware register, button -; presses are indicated by a set bit. - - ld a, 1 << 5 ; select direction keys - ld c, 0 - - ld [rJOYP], a - rept 6 - ld a, [rJOYP] - endr - cpl - and %1111 - swap a - ld b, a - - ld a, 1 << 4 ; select button keys - ld [rJOYP], a - rept 10 - ld a, [rJOYP] - endr - cpl - and %1111 - or b - - ld [hJoyInput], a - - ld a, 1 << 4 + 1 << 5 ; deselect keys - ld [rJOYP], a - ret -- cgit v1.2.3