initial commit

1 files changed, 240 insertions, 0 deletions

diff --git a/src/Platform_Saturn.c b/src/Platform_Saturn.c
new file mode 100644
index 0000000..8f96f3b
--- /dev/null
+++ b/src/Platform_Saturn.c
@@ -0,0 +1,240 @@
+#include "Core.h"
+#if defined PLAT_SATURN
+
+#include "_PlatformBase.h"
+#include "Stream.h"
+#include "ExtMath.h"
+#include "Funcs.h"
+#include "Window.h"
+#include "Utils.h"
+#include "Errors.h"
+#include "Options.h"
+#include "PackedCol.h"
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+#include <yaul.h>
+
+void* calloc(size_t num, size_t size) {
+	void* ptr = malloc(num * size);
+	if (ptr) memset(ptr, 0, num * size);
+	return ptr;
+}
+#include "_PlatformConsole.h"
+
+const cc_result ReturnCode_FileShareViolation = 1000000000; // not used
+const cc_result ReturnCode_FileNotFound       = 99999;
+const cc_result ReturnCode_DirectoryExists    = 99999;
+
+const cc_result ReturnCode_SocketInProgess  = -1;
+const cc_result ReturnCode_SocketWouldBlock = -1;
+const char* Platform_AppNameSuffix = " Saturn";
+
+
+/*########################################################################################################################*
+*------------------------------------------------------Logging/Time-------------------------------------------------------*
+*#########################################################################################################################*/
+#define WRITE_ADDRESS CS0(0x00100001)
+// in Medafen, patch DummyWrite in src/ss/Cart.cpp to instead log the value
+
+void Platform_Log(const char* msg, int len) {
+	for (int i = 0; i < len; i++) {
+		MEMORY_WRITE(8, WRITE_ADDRESS, msg[i]);
+	}
+	MEMORY_WRITE(8, WRITE_ADDRESS, '\n');
+}
+
+TimeMS DateTime_CurrentUTC(void) {
+	return 0;
+}
+
+void DateTime_CurrentLocal(struct DateTime* t) {
+	Mem_Set(t, 0, sizeof(struct DateTime));
+}
+
+
+/*########################################################################################################################*
+*--------------------------------------------------------Stopwatch--------------------------------------------------------*
+*#########################################################################################################################*/
+static volatile cc_uint32 overflow_count;
+
+cc_uint64 Stopwatch_Measure(void) {
+	return cpu_frt_count_get() + (overflow_count * 65536);
+}
+
+cc_uint64 Stopwatch_ElapsedMicroseconds(cc_uint64 beg, cc_uint64 end) {
+	if (end < beg) return 0;
+	cc_uint32 delta = end - beg;
+
+	// TODO still wrong?? and overflows?? and PAL detection ???
+	return (delta * 1000) / CPU_FRT_NTSC_320_128_COUNT_1MS;
+}
+
+static void ovf_handler(void) { overflow_count++; }
+
+static void Stopwatch_Init(void) {
+	//cpu_frt_init(CPU_FRT_CLOCK_DIV_8);
+	cpu_frt_init(CPU_FRT_CLOCK_DIV_128);
+	cpu_frt_ovi_set(ovf_handler);
+
+	cpu_frt_interrupt_priority_set(15);
+	cpu_frt_count_set(0);
+}
+
+
+/*########################################################################################################################*
+*-----------------------------------------------------Directory/File------------------------------------------------------*
+*#########################################################################################################################*/
+cc_result Directory_Create(const cc_string* path) {
+	return ERR_NOT_SUPPORTED;
+}
+
+int File_Exists(const cc_string* path) {
+	return ERR_NOT_SUPPORTED;
+}
+
+cc_result Directory_Enum(const cc_string* dirPath, void* obj, Directory_EnumCallback callback) {
+	return ERR_NOT_SUPPORTED;
+}
+
+cc_result File_Open(cc_file* file, const cc_string* path) {
+	return ERR_NOT_SUPPORTED;
+}
+
+cc_result File_Create(cc_file* file, const cc_string* path) {
+	return ERR_NOT_SUPPORTED;
+}
+
+cc_result File_OpenOrCreate(cc_file* file, const cc_string* path) {
+	return ERR_NOT_SUPPORTED;
+}
+
+cc_result File_Read(cc_file file, void* data, cc_uint32 count, cc_uint32* bytesRead) {
+	return ERR_NOT_SUPPORTED;
+}
+
+cc_result File_Write(cc_file file, const void* data, cc_uint32 count, cc_uint32* bytesWrote) {
+	return ERR_NOT_SUPPORTED;
+}
+
+cc_result File_Close(cc_file file) {
+	return ERR_NOT_SUPPORTED;
+}
+
+cc_result File_Seek(cc_file file, int offset, int seekType) {	
+	return ERR_NOT_SUPPORTED;
+}
+
+cc_result File_Position(cc_file file, cc_uint32* pos) {
+	return ERR_NOT_SUPPORTED;
+}
+
+cc_result File_Length(cc_file file, cc_uint32* len) {
+	return ERR_NOT_SUPPORTED;
+}
+
+
+/*########################################################################################################################*
+*--------------------------------------------------------Threading--------------------------------------------------------*
+*#########################################################################################################################*/
+void Thread_Sleep(cc_uint32 milliseconds) {
+	// TODO sleep a bit
+}
+
+void Thread_Run(void** handle, Thread_StartFunc func, int stackSize, const char* name) {
+	*handle = NULL;
+}
+
+void Thread_Detach(void* handle) {
+}
+
+void Thread_Join(void* handle) {
+}
+
+void* Mutex_Create(const char* name) {
+	return NULL;
+}
+
+void Mutex_Free(void* handle) {
+}
+
+void Mutex_Lock(void* handle) {
+}
+
+void Mutex_Unlock(void* handle) {
+}
+
+void* Waitable_Create(const char* name) {
+	return NULL;
+}
+
+void Waitable_Free(void* handle) {
+}
+
+void Waitable_Signal(void* handle) {
+}
+
+void Waitable_Wait(void* handle) {
+}
+
+void Waitable_WaitFor(void* handle, cc_uint32 milliseconds) {
+}
+
+
+/*########################################################################################################################*
+*---------------------------------------------------------Socket----------------------------------------------------------*
+*#########################################################################################################################*/
+cc_result Socket_ParseAddress(const cc_string* address, int port, cc_sockaddr* addrs, int* numValidAddrs) {
+	return ERR_NOT_SUPPORTED;
+}
+
+cc_result Socket_Connect(cc_socket* s, cc_sockaddr* addr, cc_bool nonblocking) {
+	return ERR_NOT_SUPPORTED;
+}
+
+cc_result Socket_Read(cc_socket s, cc_uint8* data, cc_uint32 count, cc_uint32* modified) {
+	return ERR_NOT_SUPPORTED;
+}
+
+cc_result Socket_Write(cc_socket s, const cc_uint8* data, cc_uint32 count, cc_uint32* modified) {
+	return ERR_NOT_SUPPORTED;
+}
+
+void Socket_Close(cc_socket s) {
+}
+
+cc_result Socket_CheckReadable(cc_socket s, cc_bool* readable) {
+	return ERR_NOT_SUPPORTED;
+}
+
+cc_result Socket_CheckWritable(cc_socket s, cc_bool* writable) {
+	return ERR_NOT_SUPPORTED;
+}
+
+
+/*########################################################################################################################*
+*--------------------------------------------------------Platform---------------------------------------------------------*
+*#########################################################################################################################*/
+void Platform_Init(void) {
+	Stopwatch_Init();
+}
+
+void Platform_Free(void) { }
+
+cc_bool Platform_DescribeError(cc_result res, cc_string* dst) {
+	return false;
+}
+
+cc_bool Process_OpenSupported = false;
+cc_result Process_StartOpen(const cc_string* args) {
+	return ERR_NOT_SUPPORTED;
+}
+
+
+/*########################################################################################################################*
+*-------------------------------------------------------Encryption--------------------------------------------------------*
+*#########################################################################################################################*/
+static cc_result GetMachineID(cc_uint32* key) {
+	return ERR_NOT_SUPPORTED;
+}
+#endif