Reworked wait time before making a move in demo mode

src/vddem_main.c

@@ -93,7 +93,7 @@ void main(void) {
 	__enable_interrupts();
 
 	uint16_t lfsr;
-	uint16_t	current_run = 0;
+	uint16_t current_run = 0;
 	while(1) { // Game loop
 		lfsr = lfsr_update();
 		
@@ -103,16 +103,16 @@ void main(void) {
 			snd_mod_button();
 			done = 1;
 		}
-		__enable_interrupts();
 		
-		if(!done && current_run < RUNS_TO_SKIP) {
+		if(!done && current_run <= RUNS_TO_SKIP) {
 			current_run++;
+			__enable_interrupts();
 			continue;
-		} else {
-			current_run = 0;
-		}
-		
+		}		
+
 		__disable_interrupts();
+		current_run = 0;
+		
 		if(!done) {
 			switch((lfsr & 0x0003) + 1) {
 				case K_UP:

src/vdp_utils.s

@@ -527,14 +527,15 @@ vdp_irq_handler:
 
 			;;; Save ZP
 			jsr		_irq_save_zp
-
-			lda		VDP_REG
 			
 			jsr		vdp_write_interleaved_sat
 
 			;;; Restore ZP
 			jsr		_irq_restore_zp
 
+			;;; Clear the IRQ
+			lda		VDP_REG
+
 			; Restore the registers
 			pla
 			tay