mirror of
https://github.com/Zelda64Recomp/Zelda64Recomp.git
synced 2025-12-25 17:32:31 +00:00
49 lines
1.5 KiB
C++
49 lines
1.5 KiB
C++
#include "recomp.h"
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#include "../ultramodern/ultra64.h"
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void save_write(RDRAM_ARG PTR(void) rdram_address, uint32_t offset, uint32_t count);
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void save_read(RDRAM_ARG PTR(void) rdram_address, uint32_t offset, uint32_t count);
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constexpr int eeprom_block_size = 8;
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constexpr int eep4_size = 4096;
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constexpr int eep4_block_count = eep4_size / eeprom_block_size;
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constexpr int eep16_size = 16384;
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constexpr int eep16_block_count = eep16_size / eeprom_block_size;
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extern "C" void osEepromProbe_recomp(uint8_t* rdram, recomp_context* ctx) {
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ctx->r2 = 0x02; // EEP16K
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}
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extern "C" void osEepromWrite_recomp(uint8_t* rdram, recomp_context* ctx) {
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assert(false);// ctx->r2 = 8; // CONT_NO_RESPONSE_ERROR
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}
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extern "C" void osEepromLongWrite_recomp(uint8_t* rdram, recomp_context* ctx) {
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uint8_t eep_address = ctx->r5;
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gpr buffer = ctx->r6;
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int32_t nbytes = ctx->r7;
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assert(!(nbytes & 7));
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assert(eep_address * eeprom_block_size + nbytes <= eep16_size);
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save_write(rdram, buffer, eep_address * eeprom_block_size, nbytes);
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ctx->r2 = 0;
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}
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extern "C" void osEepromRead_recomp(uint8_t* rdram, recomp_context* ctx) {
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assert(false);// ctx->r2 = 8; // CONT_NO_RESPONSE_ERROR
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}
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extern "C" void osEepromLongRead_recomp(uint8_t* rdram, recomp_context* ctx) {
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uint8_t eep_address = ctx->r5;
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gpr buffer = ctx->r6;
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int32_t nbytes = ctx->r7;
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assert(!(nbytes & 7));
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assert(eep_address * eeprom_block_size + nbytes <= eep16_size);
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save_read(rdram, buffer, eep_address * eeprom_block_size, nbytes);
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ctx->r2 = 0;
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}
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