Initial Commit

2026-08-26 23:09:04 +02:00
commit 1f4390a42b
25 changed files with 13462 additions and 0 deletions
@@ -0,0 +1,17 @@
+#include "rom.h"
+
+uint8_t rom[ROM_SIZE] = {0};
+
+void initRom(uint8_t *rom) {
+  rom[0] = 0xa9,                                             // LDA
+      rom[1] = 'H',                                          // H literal
+      rom[2] = 0x8d,                                         // STA
+      rom[3] = (uint8_t)((IO_BASE + SCREEN_ADDRESS) & 0xFF), // Lower byte of screen
+      rom[4] = (uint8_t)((IO_BASE + SCREEN_ADDRESS) >> 8),   // Upper byte of screen
+      rom[6] = 
+                                                             /* Reset Vector */
+      rom[0xFFFC - ROM_BASE] = 0x00,                         // Lower byte base of ROM
+      rom[0xFFFD - ROM_BASE] = 0x04,                         // Upper byte of base of ROM
+      rom[0xFFFE - ROM_BASE] = 0x00,                         // Lower byte base of ROM
+      rom[0xFFFF - ROM_BASE] = 0x00;                         // Upper byte of base of ROM
+}