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author | Daniel Harding <33dannye@gmail.com> | 2020-05-16 21:42:24 -0500 |
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committer | GitHub <noreply@github.com> | 2020-05-16 21:42:24 -0500 |
commit | 8a924f1f783572ff395f617f99546b4c949c8b04 (patch) | |
tree | 1b6c7de331cb983256651b11b8adf413a3a434f1 /engine/sine.asm | |
parent | 88d7e9a34a8b610b358cec1ccc6660634ca9ce80 (diff) | |
parent | ed94962edf1668aba3f60938e8a5ba8040e2a59c (diff) |
Merge pull request #30 from entrpntr/spring-cleaning
Spring Cleaning
Diffstat (limited to 'engine/sine.asm')
-rw-r--r-- | engine/sine.asm | 40 |
1 files changed, 0 insertions, 40 deletions
diff --git a/engine/sine.asm b/engine/sine.asm deleted file mode 100644 index e22d785a..00000000 --- a/engine/sine.asm +++ /dev/null @@ -1,40 +0,0 @@ -_Sine:: ; 8ac9 (2:4ac9) - ld a, e - and $3f - cp $20 - jr nc, .negative - call .GetSine - ld a, h - ret -.negative - and $1f - call .GetSine - ld a, h - xor $ff - inc a - ret - -.GetSine: ; 8adf (2:4adf) - ld e, a - ld a, d - ld d, $0 - ld hl, .SineWave - add hl, de - add hl, de - ld e, [hl] - inc hl - ld d, [hl] - ld hl, $0 -.loop - srl a - jr nc, .no_add - add hl, de -.no_add - sla e - rl d - and a - jr nz, .loop - ret - -.SineWave: - sine_table $100 |