WIP fleshing out sms component

Author: finger563

components/sms/include/sms.hpp

@@ -5,7 +5,8 @@
 #include <vector>
 
 void reset_sms();
-void init_sms(const std::string& rom_filename, uint8_t *romdata, size_t rom_data_size);
+void init_sms(uint8_t *romdata, size_t rom_data_size);
+void init_gg(uint8_t *romdata, size_t rom_data_size);
 void load_sms(std::string_view save_path);
 void save_sms(std::string_view save_path);
 void start_sms_tasks();

components/sms/src/sms.cpp

@@ -2,7 +2,9 @@
 
 // include private sms headers
 extern "C" {
-#include "emuapi.h"
+#include "sms.h"
+#include "wrapemu.h"
+#include "vdp.h"
 }
 
 #include <string>
@@ -37,17 +39,31 @@ void set_sms_video_fill() {
 void reset_sms() {
 }
 
-static uint8_t first_frame = 0;
-void init_sms(const std::string& rom_filename, uint8_t *romdata, size_t rom_data_size) {
-  static bool initialized = false;
-  if (!initialized) {
-  } else {
-  }
-  initialized = true;
+void emu_DrawLinePal16(unsigned char * VBuf, int width, int height, int line) {
+  // TODO: implement
+}
+
+void init_sms(uint8_t *romdata, size_t rom_data_size) {
+  sms_Init();
+  sms.ram = (uint8_t*)get_vram0();
+  sms.sram= (uint8_t*)get_vram1();
+  sms.dummy = get_frame_buffer1();
+  vdp.vram = get_frame_buffer0();
+  sms_Start(romdata, rom_data_size);
+}
+
+void init_gg(uint8_t *romdata, size_t rom_data_size) {
+  sms_Init();
+  sms.ram = (uint8_t*)get_vram0();
+  sms.sram= (uint8_t*)get_vram1();
+  sms.dummy = get_frame_buffer1();
+  vdp.vram = get_frame_buffer0();
+  gg_Start(romdata, rom_data_size);
 }
 
 void run_sms_rom() {
   auto start = std::chrono::high_resolution_clock::now();
+  sms_Step();
   // frame rate should be 60 FPS, so 1/60th second is what we want to sleep for
   auto delay = std::chrono::duration<float>(1.0f/60.0f);
   std::this_thread::sleep_until(start + delay);
@@ -65,7 +81,7 @@ std::vector<uint8_t> get_sms_video_buffer() {
   std::vector<uint8_t> frame(SMS_SCREEN_WIDTH * SMS_VISIBLE_HEIGHT * 2);
   // the frame data for the SMS is stored in frame_buffer0 as a 8 bit index into the palette
   // we need to convert this to a 16 bit RGB565 value
-  uint8_t *frame_buffer0 = get_frame_buffer0();
+  // uint8_t *frame_buffer0 = get_frame_buffer0();
   // uint16_t *palette = nullptr; // get_sms_palette();
   // for (int i = 0; i < SMS_SCREEN_WIDTH * SMS_VISIBLE_HEIGHT; i++) {
   //   uint8_t index = frame_buffer0[i];
@@ -83,4 +99,5 @@ void start_sms_tasks() {
 }
 
 void deinit_sms() {
+  sms_DeInit();
 }