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author | Rangi <remy.oukaour+rangi42@gmail.com> | 2018-08-25 22:58:26 -0400 |
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committer | Rangi <remy.oukaour+rangi42@gmail.com> | 2018-08-25 22:58:26 -0400 |
commit | 296402bd31946455c500fd524b141c18cf73cf8c (patch) | |
tree | 76de873943a8982f8ee6488449ea43f2e3a72326 /engine/math/math.asm | |
parent | 4c8c5c10a8c7619cfadf68072f2c52ae0e724386 (diff) |
_Divide results go in hQuotient and hRemainder, not in hDividend and hDivisor
Note that the result quotient is four bytes, but hQuotient is a three-byte buffer. This is because no Divide caller ever needed a four-byte quotient, so the buffer didn't include the high byte.
Diffstat (limited to 'engine/math/math.asm')
-rw-r--r-- | engine/math/math.asm | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/engine/math/math.asm b/engine/math/math.asm index 18aa042ed..f06b5488a 100644 --- a/engine/math/math.asm +++ b/engine/math/math.asm @@ -172,18 +172,18 @@ _Divide:: .done ldh a, [hDividend + 1] - ldh [hDivisor], a + ldh [hRemainder], a ldh a, [hMathBuffer + 4] - ldh [hDividend + 3], a + ldh [hQuotient + 2], a ldh a, [hMathBuffer + 3] - ldh [hDividend + 2], a + ldh [hQuotient + 1], a ldh a, [hMathBuffer + 2] - ldh [hDividend + 1], a + ldh [hQuotient + 0], a ldh a, [hMathBuffer + 1] - ldh [hDividend + 0], a + ldh [hQuotient - 1], a ret |