diff --git a/src/machine/machine.odin b/src/machine/machine.odin
index 41c3967..89a9cc1 100644
--- a/src/machine/machine.odin
+++ b/src/machine/machine.odin
@@ -18,7 +18,7 @@ System :: struct {
     // PC program counter
     pc: u16,
     // 64x32-pixel monochrome display
-    display: [64][32]u8,
+    display: [32][64]u8,
     keypad: [16]bool,
     delay_timer: u8,
     sound_timer: u8,
diff --git a/src/main.odin b/src/main.odin
index 56ee903..204c887 100644
--- a/src/main.odin
+++ b/src/main.odin
@@ -23,13 +23,14 @@ main :: proc() {
     system := chip.init()
 
     // load rom, hardcoded for now, will eventually be cli or gui
-    err := chip.load_rom(&system, "./2-ibm-logo.ch8")
+    // err := chip.load_rom(&system, "./2-ibm-logo.ch8")
+    err := chip.load_rom(&system, "./1-chip8-logo.ch8")
     if err != nil {
         panic("failed to load rom!")
     }
 
     // start the cycle
-    chip.init_display_and_cycle(&system)
+    chip.run_system(&system)
 
     when DEV {
         if len(track.allocation_map) > 0 {