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feat: add masked-u16 widescreen cull sites

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Add a shared native/interpreter helper for sltiu classifiers operating on ANDI-masked 16-bit screen X values, preserving MIPS immediate sign extension and overlay linkage.

Co-authored-by: Opok <novelasevilliousesp@gmail.com>
This commit is contained in:
Matthew Stanley
2026-07-19 23:25:15 -07:00
parent 8ba7f4efe6
commit 288926111f
12 changed files with 85 additions and 3 deletions
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recompiler/tests/recompiler_patch_test.cpp
+22
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@@ -182,6 +182,15 @@ negsub_sites = ["0x80012340"]
check(negsub_config.ws_cull_negsub_sites ==
std::vector<uint32_t>{0x80012340u},
"parser preserves negsub cull sites");
const auto vxrange = write_config(root, "vxrange", R"toml(
[widescreen.cull]
vxrange_sites = ["0x80012340"]
)toml");
const auto vxrange_config = PSXRecompV4::load_game_config(vxrange);
check(vxrange_config.ws_cull_vxrange_sites ==
std::vector<uint32_t>{0x80012340u},
"parser preserves masked-u16 X-window sites");
}
void capture_history_config_tests(const fs::path& root) {
@@ -274,6 +283,19 @@ void codegen_tests() {
0x00041021u, {}, true, negsub_config); // addu v0,zero,a0
check(overlay_mismatch.find("ws cull negsub") == std::string::npos,
"overlay nonmatching negsub variant remains unchanged");
PSXRecomp::CodeGenConfig vxrange_config;
vxrange_config.ws_cull_vxrange_sites.insert(0x80010000u);
const std::string vxrange = generate_first_instruction(
0x2C820140u, {}, false, vxrange_config); // sltiu v0,a0,0x140
check(vxrange.find("cpu->gpr[2] = psx_ws_cull_vxrange(cpu->gpr[4], 320)") !=
std::string::npos,
"codegen routes masked-u16 X-window sites through shared helper");
const std::string vxrange_overlay_mismatch = generate_first_instruction(
0x24820140u, {}, true, vxrange_config); // addiu v0,a0,0x140
check(vxrange_overlay_mismatch.find("ws cull masked-u16") == std::string::npos,
"overlay nonmatching masked-u16 variant remains unchanged");
}
void jump_table_producer_codegen_test() {