Apply asie's first performance patch

1 files changed, 12 insertions, 3 deletions

diff --git a/src/main.c b/src/main.c
index 5edf71c..bdff100 100644
--- a/src/main.c
+++ b/src/main.c
@@ -61,6 +61,7 @@ system_talk(Device *d, Uint8 b0, Uint8 w) {
     (void)b0;
 }
 
+IWRAM_CODE
 void
 screen_talk(Device *d, Uint8 b0, Uint8 w) {
     if(w && b0 == 0xe) {
@@ -181,6 +182,10 @@ handle_input(Uxn *u) {
     devctrl->dat[3] = 0;
 }
 
+static Uxn u;
+EWRAM_BSS
+static Uint8 umem[65536];
+
 int main(void) {
     // Register interrupts.
     irq_init();
@@ -188,7 +193,8 @@ int main(void) {
 
 
     // Initialize VM.
-    Uxn u = {0};
+    memset(&u, 0, sizeof(u));
+    u.ram.dat = umem;
     init_uxn(&u);
 
     // Initialize text engine.
@@ -208,10 +214,13 @@ int main(void) {
     while(true) {
         bios_vblank_wait();
         handle_input(&u);
+        profile_start();
         evaluxn(&u, mempeek16(devscreen->dat, 0));
+        int eval_cycles = profile_stop();
         flipbuf(&ppu);
-        // txt_position(0,0);
-        // txt_printf("FRAME: %d\n", frame_counter);
+        txt_position(0,0);
+        txt_printf("FRAME: %d\n", frame_counter);
+        txt_printf("EVAL: %d\n", eval_cycles);
         time_seconds++;
         frame_counter++;
     }