diff options
Diffstat (limited to 'include/joypad.s')
| -rw-r--r-- | include/joypad.s | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/joypad.s b/include/joypad.s index f7268e8..cc15d02 100644 --- a/include/joypad.s +++ b/include/joypad.s @@ -13,6 +13,9 @@ m_joypad1 = $4016 ;; m_joypad2 = $4017 + ;; The previous reading from the latest read controller. + zp_prev = $21 + ;; After running a `read_*` function these two variables will contain the ;; given result. zp_buttons1 = $22 @@ -68,5 +71,7 @@ ;; Shortcut for reading the joypad from the first player safely. .macro READ_JOYPAD1 ldx #$00 + lda Joypad::zp_buttons1 + sta Joypad::zp_prev jsr Joypad::read_x .endmacro |