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RDP sync updates (#201)

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* RDP sync updates

* rename

* rename
This commit is contained in:
Logan McNaughton
2025-01-29 20:21:49 +01:00
committed by GitHub
parent 1b1313003c
commit cb9309d7e4
5 changed files with 18 additions and 6 deletions
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parallel-rdp/interface.cpp
+7 -6
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@@ -62,6 +62,7 @@ static int cmd_cur;
static int cmd_ptr;
static bool emu_running;
static GFX_INFO gfx_info;
static uint64_t sync_signal;
static const unsigned cmd_len_lut[64] = {
1,
@@ -383,8 +384,6 @@ uint64_t rdp_process_commands()
if ((cmd_ptr + length) & ~(0x0003FFFF >> 3))
return interrupt_timer;
*gfx_info.DPC_STATUS_REG |= DP_STATUS_PIPE_BUSY | DP_STATUS_START_GCLK;
uint32_t offset = DP_CURRENT;
if (*gfx_info.DPC_STATUS_REG & DP_STATUS_XBUS_DMA)
{
@@ -433,7 +432,7 @@ uint64_t rdp_process_commands()
if (RDP::Op(command) == RDP::Op::SyncFull)
{
processor->wait_for_timeline(processor->signal_timeline());
sync_signal = processor->signal_timeline();
uint32_t width = viCalculateHorizonalWidth(*gfx_info.VI_H_START_REG, *gfx_info.VI_X_SCALE_REG, *gfx_info.VI_WIDTH_REG);
if (width == 0)
@@ -446,8 +445,6 @@ uint64_t rdp_process_commands()
height = 240;
}
interrupt_timer = width * height * 4;
*gfx_info.DPC_STATUS_REG &= ~(DP_STATUS_PIPE_BUSY | DP_STATUS_START_GCLK);
}
cmd_cur += cmd_length;
@@ -456,7 +453,11 @@ uint64_t rdp_process_commands()
cmd_ptr = 0;
cmd_cur = 0;
*gfx_info.DPC_CURRENT_REG = *gfx_info.DPC_END_REG;
*gfx_info.DPC_STATUS_REG |= DP_STATUS_CBUF_READY;
return interrupt_timer;
}
void rdp_full_sync()
{
processor->wait_for_timeline(sync_signal);
}