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telecomadm1145 · Aug 18, 2024 · c59900c · c59900c
1 parent c3ef1e2
commit c59900c
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Showing 3 changed files with 13 additions and 5 deletions.
diff --git a/CasioEmuMsvc/Chipset/MMU.cpp b/CasioEmuMsvc/Chipset/MMU.cpp
@@ -199,7 +199,7 @@ namespace casioemu {
 		MMURegion* region = byte.region;
 		if (!region || !region->write) {
 #ifdef DBG
-			// std::cout << std::hex << offset << "<-" << (int)data << std::oct << "\n";
+			 std::cout << std::hex << offset << "<-" << (int)data << std::oct << "\n";
 #endif
 			return;
 		}

diff --git a/CasioEmuMsvc/Peripheral/BatteryBackedRAM.cpp b/CasioEmuMsvc/Peripheral/BatteryBackedRAM.cpp
@@ -10,6 +10,13 @@
 #include <cstring>
 #include <fstream>
 
+inline void fillRandomData(unsigned char* buf, size_t size) {
+	std::srand(static_cast<unsigned int>(SDL_GetPerformanceCounter())); // 使用当前时间作为随机种子
+	std::generate(buf, buf + size, []() {
+		return static_cast<unsigned char>(std::rand() % 256); // 生成0到255之间的随机数
+	});
+}
+
 namespace casioemu {
 	class BatteryBackedRAM : public Peripheral {
 		MMURegion region, region_2, region_3, region_4, region_5;
@@ -33,7 +40,7 @@ namespace casioemu {
 			ram_size += 0x100;
 
 		ram_buffer = new uint8_t[ram_size];
-		memset(ram_buffer, 0, ram_size);
+		fillRandomData(ram_buffer, ram_size);
 
 		ram_file_requested = false;
 		if (emulator.argv_map.find("ram") != emulator.argv_map.end()) {
@@ -49,6 +56,7 @@ namespace casioemu {
 			"BatteryBackedRAM", ram_buffer, [](MMURegion* region, size_t offset) { return ((uint8_t*)region->userdata)[offset - region->base]; }, [](MMURegion* region, size_t offset, uint8_t data) { ((uint8_t*)region->userdata)[offset - region->base] = data; }, emulator);
 		if (emulator.hardware_id == HW_FX_5800P) {
 			pram_buffer = new uint8_t[0x8000];
+			fillRandomData(pram_buffer, 0x8000);
 			region_5.Setup(
 				0x40000,
 				0x8000,

diff --git a/CasioEmuMsvc/Peripheral/Screen.cpp b/CasioEmuMsvc/Peripheral/Screen.cpp
@@ -33,7 +33,7 @@
 #include <ctime>   // for std::time
 #include <vector>
 
-constexpr uint8_t reverse_bits(uint8_t n) {
+inline constexpr uint8_t reverse_bits(uint8_t n) {
 	uint8_t reversed = 0;
 	for (int i = 0; i < 8; ++i) {
 		reversed |= ((n >> i) & 1) << (7 - i);
@@ -42,7 +42,7 @@ constexpr uint8_t reverse_bits(uint8_t n) {
 }
 
 // constexpr 生成查找表
-constexpr std::array<uint8_t, 256> generate_lookup_table() {
+inline constexpr std::array<uint8_t, 256> generate_lookup_table() {
 	std::array<uint8_t, 256> table = {};
 	for (int i = 0; i < 256; ++i) {
 		table[i] = reverse_bits(static_cast<uint8_t>(i));
@@ -53,7 +53,7 @@ constexpr std::array<uint8_t, 256> generate_lookup_table() {
 // 定义查找表
 constexpr auto bit_lookup_table = generate_lookup_table();
 
-void fillRandomData(unsigned char* buf, size_t size) {
+inline void fillRandomData(unsigned char* buf, size_t size) {
 	std::srand(static_cast<unsigned int>(SDL_GetPerformanceCounter())); // 使用当前时间作为随机种子
 	std::generate(buf, buf + size, []() {
 		return static_cast<unsigned char>(std::rand() % 256); // 生成0到255之间的随机数