From 84eb84b89fee7af48db47d786681ec6a74c32801 Mon Sep 17 00:00:00 2001
From: tildearrow <me@tildearrow.org>
Date: Fri, 18 Apr 2025 18:39:09 -0500
Subject: [PATCH] raster time display

---
 src/asm/6502/nes/test.s | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/src/asm/6502/nes/test.s b/src/asm/6502/nes/test.s
index 9970673e7..8638f1f07 100644
--- a/src/asm/6502/nes/test.s
+++ b/src/asm/6502/nes/test.s
@@ -85,9 +85,27 @@ startPlayer:
 loop:
   lda pendingTick
   beq loop
+  ; wait a bit so we can see the raster
+  ldy #$ff
+  ldx #$03
+
+- dey
+  bne -
+  dex
+  bne -
+
+  ; raster time display
+  lda #$0f
+  sta PPUMASK
+
   jsr fcsTick
   lda #0
   sta pendingTick
+
+  ; raster time display end
+  lda #$0e
+  sta PPUMASK
+
   jmp loop
 
 ; interrupt handlers