From e44d7e492b1e553bdb79df7b1bcfcf4729343853 Mon Sep 17 00:00:00 2001
From: shoofle <xsigma@gmail.com>
Date: Sun, 30 Mar 2025 10:53:51 -0400
Subject: [PATCH] actually thsi adds the interrupt update loop

---
 Async.inc  |   4 ++--
 main.asm   |  17 ++++++++++++++---
 source.zip | Bin 419344 -> 419454 bytes
 3 files changed, 16 insertions(+), 5 deletions(-)

diff --git a/Async.inc b/Async.inc
index 951c2bb..6a2ab67 100644
--- a/Async.inc
+++ b/Async.inc
@@ -118,7 +118,7 @@ Async_Spawn:
   ld [INTERRUPT_LCD + 1], a; set interrupt handler to "ENTER THREAD"
   ld a, SAFE_ASYNC_START ; CHANGE ME TO ADJUST SAFE TRANSFER TIMING
   ld [rLYC], a ; set LYC
-  ld hl, rIE  
+  ld hl, rIE 
   set 1, [hl] ; enable vblank
   ld hl, rSTAT
   set 6, [hl] ; set the stat interrupt to LYC mode
@@ -272,7 +272,7 @@ Async_EarlyReturn:
   
   ; unset next call
   ld hl, rIE  
-  res 1, [hl] ; disable vblank
+  res 1, [hl] ; disable stat interrupt
   ld hl, rIF 
   res 1, [hl] ; clear the interrupt 
   
diff --git a/main.asm b/main.asm
index d08ad60..be80b5b 100644
--- a/main.asm
+++ b/main.asm
@@ -56,10 +56,15 @@ def VARIABLE_TILES_START equ 26
 
 INCLUDE "hardware.inc"
 SECTION "Interrupts", ROM0[$0]
-  ds $48 - @, 0
+  ds INT_HANDLER_VBLANK - @, 0
+  reti
+  
+  ds INT_HANDLER_STAT - @, 0
   call INTERRUPT_LCD - 1
   ret
 
+  
+
 SECTION "Header", ROM0[$100]
 
   jp EntryPoint
@@ -270,9 +275,14 @@ Loop:
   call SoundUpdate
 println "scene update is ", SCENE_UPDATE - 1
   call SCENE_UPDATE - 1 ; hope this takes not too many scanlines!
-  ld b, 144
-  call AwaitLine
 
+  di
+  ld a, [rIE]
+  or a, IEF_VBLANK
+  ld [rIE], a 
+  ei
+  
+  halt
 
 println "scene draw is ", SCENE_DRAW - 1
   call SCENE_DRAW - 1 ; hope this takes fewer than 9 scanlines! 
@@ -286,6 +296,7 @@ println "scene draw is ", SCENE_DRAW - 1
   jp Loop
   
 SoundUpdate:
+  ret
 
 ChangeScene: ; hl should be a pointer to, in sequence, setup update draw teardown
   ;call SCENE_TEARDOWN - 1
diff --git a/source.zip b/source.zip
index 338c939c3a61ed8eba0a94c921e6859fc009bc24..d586910a64bcb47ef7bd7f8bc6a7273b7fb0434b 100644
GIT binary patch
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