it goes off the rails at the gameplay screen on tetris

2025-08-05 23:25:37 +00:00 · 2022-07-26 00:10:01 -05:00
parent bbb398f524
commit 6ab729f377
1 changed files with 3 additions and 0 deletions
--- a/src/cpu.c
+++ b/src/cpu.c
@@ -705,6 +705,9 @@ void cpu_step(struct cpu *cpu)
            write8(cpu, read_hl(cpu), cpu->a);
            write_hl(cpu, read_hl(cpu) - 1);
            break;
+        case 0x39: // ADD HL, SP
+            add16(cpu, cpu->sp);
+            break;
        case 0xc0: // RET NZ
            if (!flag_isset(cpu, FLAG_ZERO)) {
                cpu->pc = pop(cpu);