1 files changed, 117 insertions, 0 deletions

diff --git a/apps/plugins/rockboy/emu.c b/apps/plugins/rockboy/emu.c
new file mode 100644
index 0000000000..b6f2de779a
--- /dev/null
+++ b/apps/plugins/rockboy/emu.c
@@ -0,0 +1,117 @@
+
+
+
+#include "rockmacros.h"
+#include "defs.h"
+#include "regs.h"
+#include "hw.h"
+#include "cpu.h"
+#include "mem.h"
+#include "lcd.h"
+#include "rc.h"
+#include "sound.h"
+#include "rtc.h"
+
+static int framelen = 16743;
+static int framecount;
+
+rcvar_t emu_exports[] =
+{
+        RCV_INT("framelen", &framelen),
+        RCV_INT("framecount", &framecount),
+        RCV_END
+};
+
+
+
+
+
+
+
+void emu_init(void)
+{
+        
+}
+
+
+/*
+ * emu_reset is called to initialize the state of the emulated
+ * system. It should set cpu registers, hardware registers, etc. to
+ * their appropriate values at powerup time.
+ */
+
+void emu_reset(void)
+{
+        hw_reset();
+        lcd_reset();
+        cpu_reset();
+        mbc_reset();
+        sound_reset();
+}
+
+
+
+
+
+void emu_step(void)
+{
+        cpu_emulate(cpu.lcdc);
+}
+
+
+
+/* This mess needs to be moved to another module; it's just here to
+ * make things work in the mean time. */
+
+void emu_run(void)
+{
+        void *timer = sys_timer();
+        char meow[500];
+        int delay;
+        int framecount=0;
+
+        vid_begin();
+        lcd_begin();
+        while(shut==0)
+        {
+                cpu_emulate(2280);
+                while (R_LY > 0 && R_LY < 144)
+                        emu_step();
+                
+                vid_end();
+                rtc_tick();
+                sound_mix();
+                if (!pcm_submit())
+                {
+                        delay = framelen - sys_elapsed(timer);
+                        sys_sleep(delay);
+                        sys_elapsed(timer);
+                }
+                doevents();
+                vid_begin();
+//              if (framecount) { if (!--framecount) die("finished\n"); }
+                
+                if (!(R_LCDC & 0x80))
+                        cpu_emulate(32832);
+                
+                while (R_LY > 0) /* wait for next frame */
+                        emu_step();
+                framecount++;
+                snprintf(meow,499,"%d",framecount);
+                rb->lcd_putsxy(0,0,meow);
+                rb->lcd_update_rect(0,0,LCD_WIDTH,8);
+                rb->yield();
+        }
+}
+
+
+
+
+
+
+
+
+
+
+
+