1 files changed, 35 insertions, 4 deletions

diff --git a/src/main.c b/src/main.c
index e30035a..62030e5 100644
--- a/src/main.c
+++ b/src/main.c
@@ -124,13 +124,20 @@ file_talk(Device *d, u8 b0, u8 w) {
         u16 result = 0, length = mempeek16(d->dat, 0xa);
         u16 offset = mempeek16(d->dat, 0x4);
         u16 addr = mempeek16(d->dat, b0 - 1);
-        int file_idx = fs_open_file(name, read ? OPEN_READ : OPEN_WRITE);
-        if (file_idx >= 0) {
+        File file = fs_open_file(name, read ? FS_OPEN_READ : FS_OPEN_WRITE);
+        if (file.index != FS_NULL) {
+            txt_position(9, 9);
+            // TODO: Use file.cur pointer and fs_seek instead of offset.
+            // TODO: Remove append, that should be a write mode.
             if (read) {
-                result = fs_read(&d->mem[addr], length, file_idx, offset);
+                result = fs_read(&d->mem[addr], length, offset, &file);
             } else {
-                result = fs_write(&d->mem[addr], length, file_idx, offset, offset > 0);
+                result = fs_write(&d->mem[addr], length, offset, offset > 0, &file);
+                txt_printf("WROTE: %d\n", result);
             }
+        } else {
+            // txt_position(9, 9);
+            // txt_printf("NOT FOUND");
         }
                 mempoke16(d->dat, 0x2, result);
         }
@@ -353,14 +360,38 @@ int main(void) {
     txt_init(1, TEXT_LAYER);
     txt_position(0,0);
 
+    u8 test_data_a[1020];
+    u8 test_data_b[2038];
+    memset(&test_data_a, 0xAA, sizeof(test_data_a));
+    memset(&test_data_b, 0xbb, sizeof(test_data_b));
+
+    txt_position(0, 8);
+    File file_a = fs_open_file("file_a", FS_OPEN_WRITE);
+    File file_b = fs_open_file("file_b", FS_OPEN_WRITE);
+    fs_write(&test_data_b, sizeof(test_data_b), 0, 0, &file_a);
+    fs_write(&test_data_a, sizeof(test_data_a), 0, 0, &file_a);
+    // fs_write(&test_data_a, sizeof(test_data_a), 0, 0, &file_a);
+    // fs_write(&test_data_b, sizeof(test_data_b), 0, 0, &file_b);
+
     // Main loop.
     int frame_counter = 0;
     evaluxn(&u, 0x0100);
+    u32 flip_cycles = 0;
     while(true) {
         bios_vblank_wait();
+        profile_start();
         handle_input(&u);
+        u32 input_cycles = profile_stop();
+        profile_start();
         evaluxn(&u, mempeek16(devscreen->dat, 0));
+        u32 eval_cycles = profile_stop();
+        txt_position(0, 8);
+        // txt_printf("INPUT: %lu  \n", input_cycles);
+        // txt_printf("EVAL:  %lu  \n", eval_cycles);
+        // txt_printf("FLIP:  %lu  \n", flip_cycles);
+        profile_start();
         flipbuf(&ppu);
+        flip_cycles = profile_stop();
         frame_counter++;
     }