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author | Rangi <remy.oukaour+rangi42@gmail.com> | 2020-05-19 20:00:58 -0400 |
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committer | Rangi <remy.oukaour+rangi42@gmail.com> | 2020-05-19 20:00:58 -0400 |
commit | f1513ae8ad47c603abdba2749ef3e4e046817623 (patch) | |
tree | afe1ef5395238a312d44b2c477c3578528383da1 | |
parent | 156f2cc3ef66ccaf21bfe1c8a5066928e772ffac (diff) |
Add some comments to UpdateBGMap
-rw-r--r-- | home/video.asm | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/home/video.asm b/home/video.asm index 008f1057c..5578ad293 100644 --- a/home/video.asm +++ b/home/video.asm @@ -117,7 +117,7 @@ UpdateBGMap:: ; Update the BG Map, in thirds, from wTilemap and wAttrmap. ldh a, [hBGMapMode] - and a + and a ; 0 ret z ; BG Map 0 @@ -127,7 +127,7 @@ UpdateBGMap:: jr z, .Attr ; BG Map 1 - dec a + dec a ; useless ldh a, [hBGMapAddress] ld l, a @@ -232,7 +232,7 @@ THIRD_HEIGHT EQU SCREEN_HEIGHT / 3 ldh [hBGMapThird], a ; Rows of tiles in a third - ld a, SCREEN_HEIGHT / 3 + ld a, THIRD_HEIGHT ; Discrepancy between wTilemap and BGMap ld bc, BG_MAP_WIDTH - (SCREEN_WIDTH - 1) |