d6551f84d2
Update various editors to replace instances of GraphicsSheetManager with gfx::Arena for accessing graphics sheets. This change enhances memory management and performance by centralizing graphics data handling within the Arena class. Clean up related code for improved clarity and maintainability.
52 lines
1.1 KiB
C++
52 lines
1.1 KiB
C++
#ifndef YAZE_SNES_H_
|
|
#define YAZE_SNES_H_
|
|
|
|
#include <cstdint>
|
|
|
|
namespace yaze {
|
|
|
|
inline uint32_t SnesToPc(uint32_t addr) noexcept {
|
|
constexpr uint32_t kFastRomRegion = 0x808000;
|
|
if (addr >= kFastRomRegion) {
|
|
addr -= kFastRomRegion;
|
|
}
|
|
uint32_t temp = (addr & 0x7FFF) + ((addr / 2) & 0xFF8000);
|
|
return (temp + 0x0);
|
|
}
|
|
|
|
inline uint32_t PcToSnes(uint32_t addr) {
|
|
uint8_t* b = reinterpret_cast<uint8_t*>(&addr);
|
|
b[2] = static_cast<uint8_t>(b[2] * 2);
|
|
|
|
if (b[1] >= 0x80) {
|
|
b[2] += 1;
|
|
} else {
|
|
b[1] += 0x80;
|
|
}
|
|
|
|
return addr;
|
|
}
|
|
|
|
inline uint32_t Get24LocalFromPC(uint8_t* data, int addr, bool pc = true) {
|
|
uint32_t ret =
|
|
(PcToSnes(addr) & 0xFF0000) | (data[addr + 1] << 8) | data[addr];
|
|
if (pc) {
|
|
return SnesToPc(ret);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
inline int AddressFromBytes(uint8_t bank, uint8_t high, uint8_t low) noexcept {
|
|
return (bank << 16) | (high << 8) | low;
|
|
}
|
|
|
|
inline uint32_t MapBankToWordAddress(uint8_t bank, uint16_t addr) noexcept {
|
|
uint32_t result = 0;
|
|
result = (bank << 16) | addr;
|
|
return result;
|
|
}
|
|
|
|
} // namespace yaze
|
|
|
|
#endif // YAZE_SNES_H_
|