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Merge pull request #435 from RetroPortingToolKit/fix/isc-icache-invalidate

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Apply cache-isolated (IsC) stores to the caches, as Beetle does
This commit is contained in:
Matt Stanley
2026-09-30 15:00:19 -07:00
committed by GitHub
parent befdfea2db 825a89a9c5
commit fcc685ce1d
21 changed files with 554 additions and 38 deletions
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runtime/src/main.cpp
+3 -2
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@@ -366,6 +366,7 @@ extern "C" uint16_t psx_read_half(uint32_t addr);
extern "C" void psx_write_half(uint32_t addr, uint16_t val);
extern "C" uint8_t psx_read_byte(uint32_t addr);
extern "C" void psx_write_byte(uint32_t addr, uint8_t val);
extern "C" void psx_host_write_half(uint32_t addr, uint16_t val);
/* Guest-side data-read wrappers: same as psx_read_* but charge PS1 main-RAM
* read wait states (R3000A has no D-cache). Wired to cpu->read_* below so the
* timing applies to recompiled + interpreted guest loads, not debug/device reads. */
@@ -7210,8 +7211,8 @@ static NetplayVblankEpilogue sdl_vblank_present_body(void) {
if (g_fmv_skip_total_table) {
/* End the active movie via its own frame-count teardown. */
uint8_t mid = psx_read_byte(g_fmv_skip_movie_id);
psx_write_half(g_fmv_skip_total_table + (uint32_t)mid * 2u,
(uint16_t)g_fmv_skip_end_total);
psx_host_write_half(g_fmv_skip_total_table + (uint32_t)mid * 2u,
(uint16_t)g_fmv_skip_end_total);
} else {
/* Generic fallback: hold START (PSX pad word is active-low; START
* is bit 3) so the game's FMV handler aborts the movie itself. */