make rom faster

assets/makerom.py

@@ -0,0 +1,13 @@
+code = bytearray([
+    0xa9, 0x42,
+    0x8d, 0x00, 0x40,
+    0xdb
+    ])
+
+rom = code + bytearray([0xEA] * (1024 * 32 - len(code)))
+
+rom[0x7FFC] = 0x00
+rom[0x7FFD] = 0x80
+
+with open("rom.bin", "wb") as bin_file:
+    bin_file.write(rom)

assets/test.S

@@ -0,0 +1,18 @@
+  .org 0x8000
+
+reset:
+  lda #0xff
+  sta 0x6002
+
+loop:
+  lda #0x55
+  sta 0x6000
+  
+  lda #0xaa
+  sta 0x6000
+
+  jmp reset
+
+  .org 0xfffc
+  .word reset
+  .word 0x0000