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GPU/HW: More improvements to GPUSTAT.31

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Fixes True Pinball without breaking intros to Final Fantasy 7/8.
This commit is contained in:
Connor McLaughlin
2020-05-26 22:57:56 +10:00
parent 04f131f979
commit 23436f08ba
7 changed files with 34 additions and 30 deletions
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13
src/core/gpu.h
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@ -356,8 +356,11 @@ protected:
return (!m_force_progressive_scan) & m_GPUSTAT.SkipDrawingToActiveField();
}
/// Returns 0 if the currently-displayed field is on an even line, otherwise 1.
ALWAYS_INLINE u32 GetInterlacedDisplayLineOffset() const { return BoolToUInt32(m_crtc_state.displaying_odd_lines); }
/// Returns 0 if the currently-displayed field is on odd lines (1,3,5,...) or 1 if even (2,4,6,...).
ALWAYS_INLINE u32 GetInterlacedDisplayField() const { return ZeroExtend32(m_crtc_state.interlaced_field); }
/// Returns 0 if the currently-displayed field is on an even line in VRAM, otherwise 1.
ALWAYS_INLINE u32 GetActiveLineLSB() const { return ZeroExtend32(m_crtc_state.active_line_lsb); }
/// Sets/decodes GP0(E1h) (set draw mode).
void SetDrawMode(u16 bits);
@ -446,7 +449,7 @@ protected:
BitField<u32, bool, 27, 1> ready_to_send_vram;
BitField<u32, bool, 28, 1> ready_to_recieve_dma;
BitField<u32, DMADirection, 29, 2> dma_direction;
BitField<u32, bool, 31, 1> drawing_odd_lines;
BitField<u32, bool, 31, 1> display_line_lsb;
bool IsMaskingEnabled() const
{
@ -638,8 +641,8 @@ protected:
bool in_hblank;
bool in_vblank;
bool displaying_odd_field;
bool displaying_odd_lines;
u8 interlaced_field; // 0 = odd, 1 = even
u8 active_line_lsb;
} m_crtc_state = {};
BlitterState m_blitter_state = BlitterState::Idle;