From dff889fb59463691b8b55305a799a0a9d1b493ad Mon Sep 17 00:00:00 2001
From: Peter Ferrie <peter.ferrie@gmail.com>
Date: Fri, 22 Oct 2021 09:27:43 -0700
Subject: [PATCH] fix some demo IRQs

---
 res/DEMO/NIGHT.STALKER   | Bin 285 -> 291 bytes
 res/DEMO/SPACE.QUARKS    | Bin 167 -> 173 bytes
 src/demo/night.stalker.a |   2 +-
 src/demo/space.quarks.a  |   2 +-
 src/macros.a             |  10 ++++++++++
 5 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/res/DEMO/NIGHT.STALKER b/res/DEMO/NIGHT.STALKER
index 178eb0a3b9c4d7736d5a3ba31311dd8973bcf90c..fb21aeff0ce4a08894680e4a5c1d2a3180520b96 100755
GIT binary patch
delta 61
zcmV-D0K)&B0;2+u7A^&#p&;-7XpIBZXpI5XEP}wPV2u}GjXz)@00^l7jq(GH{sXB2
Tjq?MI{{yL{kv<~<agk!X4oMlN

delta 55
zcmV-70LcHN0-XYo7AXIqpdj!6XpIBZXpI5XEP}wPV2u}GjXz)@00^lDjq(Gj0gdwm
NNu`lQBLQoXXuF?Q7byS$

diff --git a/res/DEMO/SPACE.QUARKS b/res/DEMO/SPACE.QUARKS
index f7f84074bf27d6242288f0c99ce1d9f9f3c7be46..ddc4c3e070bbf2e68068224b95f06ef5398bf159 100755
GIT binary patch
delta 55
zcmV-70LcHR0j&X$7ASzAupsaMXpIBZXpI5XsZ5Q@J|Ja2sQ``g1C9OzsR51i1C9R!
NsicuOF#(*BYCW>x7<K>v

delta 49
zcmV-10M7rd0jB|w79x6}upsaMXpIBZXpI5XsZ5Q@J|Ja2sQ``g1E~Rx^8-nxkv=g2
HmXUBh8IBb6

diff --git a/src/demo/night.stalker.a b/src/demo/night.stalker.a
index c3d82ac3b..b8ca54e25 100644
--- a/src/demo/night.stalker.a
+++ b/src/demo/night.stalker.a
@@ -16,7 +16,7 @@
          sta   $6017
          sta   $603F
          jsr   $800
-         +RESET_VECTOR $106
+         +RESET_AND_IRQ_VECTOR $100
          lda   #$92
          sta   $0D
          lda   #$72
diff --git a/src/demo/space.quarks.a b/src/demo/space.quarks.a
index 620bd1c2f..4d4e10f60 100644
--- a/src/demo/space.quarks.a
+++ b/src/demo/space.quarks.a
@@ -14,7 +14,7 @@
          lda   #$4C
          sta   $3EC9
          jsr   $3E65      ; decompress/set reset vector
-         +RESET_VECTOR $100
+         +RESET_AND_IRQ_VECTOR $100
          lda   #$EA
          sta   $1C38
          sta   $1C39
diff --git a/src/macros.a b/src/macros.a
index 9c3abdb7b..894c01a51 100755
--- a/src/macros.a
+++ b/src/macros.a
@@ -351,6 +351,16 @@
          sta   $3F4
 }
 
+!macro   RESET_AND_IRQ_VECTOR .addr {
+         lda   #<.addr
+         sta   $3F2
+         sta   $3FE
+         lda   #>.addr
+         sta   $3F3
+         sta   $3FF
+         eor   #$A5
+         sta   $3F4
+}
 ; for games that clobber $100-$105, the prelaunch code constructs a new reset vector
 ; somewhere else and sets its
 !macro   NEW_RESET_VECTOR .addr {