mirror of https://github.com/mgba-emu/mgba.git
GBA BIOS: Fix ArcTan sign in HLE BIOS
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@ -38,6 +38,7 @@ Bugfixes:
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- GB: Fix flickering when screen is strobed quickly
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- FFmpeg: Fix overflow and general issues with audio encoding
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- Qt: Fix crash when changing audio settings after a game is closed
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- GBA BIOS: Fix ArcTan sign in HLE BIOS
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Misc:
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- SDL: Remove scancode key input
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- GBA Video: Clean up unused timers
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@ -271,7 +271,7 @@ static void _Div(struct GBA* gba, int32_t num, int32_t denom) {
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}
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}
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static int16_t _ArcTan(int16_t i) {
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static int16_t _ArcTan(int32_t i) {
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int32_t a = -((i * i) >> 14);
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int32_t b = ((0xA9 * a) >> 14) + 0x390;
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b = ((b * a) >> 14) + 0x91C;
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@ -356,7 +356,7 @@ void GBASwi16(struct ARMCore* cpu, int immediate) {
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cpu->gprs[0] = sqrt((uint32_t) cpu->gprs[0]);
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break;
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case 0x9:
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cpu->gprs[0] = (uint16_t) _ArcTan(cpu->gprs[0]);
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cpu->gprs[0] = _ArcTan(cpu->gprs[0]);
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break;
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case 0xA:
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cpu->gprs[0] = (uint16_t) _ArcTan2(cpu->gprs[0], cpu->gprs[1]);
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