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| author | Jesse Luehrs <doy@tozt.net> | 2014-10-09 19:37:07 -0400 |
|---|---|---|
| committer | Jesse Luehrs <doy@tozt.net> | 2014-10-09 19:37:07 -0400 |
| commit | d26f7bbb003efd1ce06e56a4f11e3fed8704a282 (patch) | |
| tree | 4f3411cd1a66d4fcb37fd8349ae188a69e1d1437 /main.s | |
| parent | 43bae7f1f4cf1bea4a046bf7a7b0833d0592d08a (diff) | |
| download | nes-snake-d26f7bbb003efd1ce06e56a4f11e3fed8704a282.tar.gz nes-snake-d26f7bbb003efd1ce06e56a4f11e3fed8704a282.zip | |
need to handle carrying here
Diffstat (limited to 'main.s')
| -rw-r--r-- | main.s | 8 |
1 files changed, 8 insertions, 0 deletions
@@ -166,6 +166,10 @@ draw_game: SBC length SBC length STA head + LDX #$01 + LDA head, x + SBC #$00 + STA head, x LDX #$20 JSR draw_sprite_at_head CLC @@ -173,6 +177,10 @@ draw_game: ADC length ADC length STA head + LDX #$01 + LDA head, x + ADC #$00 + STA head, x LDA #$20 STA $2006 |