diff options
Diffstat (limited to 'engine/joypad.asm')
| -rw-r--r-- | engine/joypad.asm | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/engine/joypad.asm b/engine/joypad.asm index d2ad1c31..31e197e2 100644 --- a/engine/joypad.asm +++ b/engine/joypad.asm @@ -1,9 +1,13 @@ _Joypad:: +; hJoyReleased: (hJoyLast ^ hJoyInput) & hJoyLast +; hJoyPressed: (hJoyLast ^ hJoyInput) & hJoyInput + ld a, [hJoyInput] cp A_BUTTON + B_BUTTON + SELECT + START ; soft reset jp z, TrySoftReset + ld b, a - ld a, [hJoyHeldLast] + ld a, [hJoyLast] ld e, a xor b ld d, a @@ -13,15 +17,19 @@ _Joypad:: and b ld [hJoyPressed], a ld a, b - ld [hJoyHeldLast], a + ld [hJoyLast], a + ld a, [wd730] bit 5, a jr nz, DiscardButtonPresses - ld a, [hJoyHeldLast] + + ld a, [hJoyLast] ld [hJoyHeld], a + ld a, [wJoyIgnore] and a ret z + cpl ld b, a ld a, [hJoyHeld] @@ -41,11 +49,13 @@ DiscardButtonPresses: TrySoftReset: call DelayFrame - ; reset joypad (to make sure the - ; player is really trying to reset) + + ; deselect (redundant) ld a, $30 ld [rJOYP], a + ld hl, hSoftReset dec [hl] jp z, SoftReset + jp Joypad |