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Correct RdpUpdate::update()

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Fixed Black screen on smash bros #1987
This commit is contained in:
Sergey Lipskiy 2019-01-20 18:44:54 +07:00
parent 20a7b75100
commit 864e635ca4
1 changed files with 6 additions and 6 deletions
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12
src/FrameBuffer.cpp
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@ -1042,11 +1042,11 @@ void FrameBufferList::RdpUpdate::init()
/* This function was taken from angrylion's code and adopted for my needs */ /* This function was taken from angrylion's code and adopted for my needs */
bool FrameBufferList::RdpUpdate::update(RdpUpdateResult & _result) bool FrameBufferList::RdpUpdate::update(RdpUpdateResult & _result)
{ {
static const u32 PRESCALE_WIDTH = 640U; static const s32 PRESCALE_WIDTH = 640U;
static const u32 PRESCALE_HEIGHT = 625U; static const s32 PRESCALE_HEIGHT = 625U;
const u32 x_add = _SHIFTR(*REG.VI_X_SCALE, 0, 12); const s32 x_add = _SHIFTR(*REG.VI_X_SCALE, 0, 12);
const u32 y_add = _SHIFTR(*REG.VI_Y_SCALE, 0, 12); const s32 y_add = _SHIFTR(*REG.VI_Y_SCALE, 0, 12);
const u32 v_sync = _SHIFTR(*REG.VI_V_SYNC, 0, 10); const u32 v_sync = _SHIFTR(*REG.VI_V_SYNC, 0, 10);
const bool ispal = (v_sync > 550); const bool ispal = (v_sync > 550);
const u32 x1 = _SHIFTR( *REG.VI_H_START, 16, 10 ); const u32 x1 = _SHIFTR( *REG.VI_H_START, 16, 10 );
@ -1084,8 +1084,8 @@ bool FrameBufferList::RdpUpdate::update(RdpUpdateResult & _result)
} else } else
prevserrate = false; prevserrate = false;
u32 hres = delta_x; s32 hres = delta_x;
u32 vres = delta_y; s32 vres = delta_y;
s32 h_start = x1 - (ispal ? 128 : 108); s32 h_start = x1 - (ispal ? 128 : 108);
s32 v_start = (y1 - (ispal ? 44 : 34)) / 2; s32 v_start = (y1 - (ispal ? 44 : 34)) / 2;
u32 x_start = _SHIFTR(*REG.VI_X_SCALE, 16, 12); u32 x_start = _SHIFTR(*REG.VI_X_SCALE, 16, 12);