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https://github.com/bsnes-emu/bsnes.git
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c33065fbd1
byuu says: Changelog: - WS: fixed bug when IRQs triggered during a rep string instruction - WS: added sprite attribute caching (per-scanline); absolutely massive speed-up - WS: emulated limit of 32 sprites per scanline - WS: emulated the extended PPU register bit behavior based on the DISP_CTRL tile bit-depth setting - WS: added "Rotate" key binding; can be used to flip the WS display between horizontal and vertical in real-time The prefix emulation may not be 100% hardware-accurate, but the edge cases should be extreme enough to not come up in the WS library. No way to get the emulation 100% down without intensive hardware testing. trap15 pointed me at a workflow diagram for it, but that diagram is impossible without a magic internal stack frame that grows with every IRQ, and can thus grow infinitely large. The rotation thing isn't exactly the most friendly set-up, but oh well. I'll see about adding a default rotation setting to manifests, so that games like GunPey can start in the correct orientation. After that, if the LCD orientation icon turns out to be reliable, then I'll start using that. But if there are cases where it's not reliable, then I'll leave it to manual button presses. Speaking of icons, I'll need a set of icons to render on the screen. Going to put them to the top right on vertical orientation, and on the bottom left for horizontal orientation. Just outside of the video output, of course. Overall, WS is getting pretty far along, but still some major bugs in various games. I really need sound emulation, though. Nobody's going to use this at all without that.
48 lines
975 B
C++
48 lines
975 B
C++
struct System : IO {
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auto loaded() const -> bool;
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auto model() const -> Model;
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auto orientation() const -> bool;
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auto color() const -> bool;
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auto planar() const -> bool;
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auto packed() const -> bool;
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auto depth() const -> bool;
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auto init() -> void;
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auto term() -> void;
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auto load(Model) -> void;
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auto unload() -> void;
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auto power() -> void;
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auto run() -> void;
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auto portRead(uint16 addr) -> uint8 override;
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auto portWrite(uint16 addr, uint8 data) -> void override;
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struct Information {
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string manifest;
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} information;
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EEPROM eeprom;
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struct Keypad {
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bool y1, y2, y3, y4;
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bool x1, x2, x3, x4;
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bool b, a, start;
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bool rotate;
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} keypad;
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struct Registers {
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//$0060 DISP_MODE
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uint1 depth;
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uint1 color;
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uint1 format;
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uint5 unknown;
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} r;
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privileged:
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bool _loaded = false;
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Model _model = Model::WonderSwan;
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bool _orientation = 0; //0 = horizontal, 1 = vertical
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};
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extern System system;
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