From f7445714fcec7bdb8a5c0c9bb1444841ad54c4d7 Mon Sep 17 00:00:00 2001
From: Jason Flatt <jflatt@cox.net>
Date: Wed, 8 Mar 2023 18:01:16 -0800
Subject: [PATCH] Add irobot patch
---
irobot.patch | 37 +++++++++++++++++++++++++++++++++++++
org.mamedev.MAME.yaml | 2 ++
2 files changed, 39 insertions(+)
create mode 100644 irobot.patch
diff --git a/irobot.patch b/irobot.patch
new file mode 100644
index 0000000..1abd26e
--- /dev/null
+++ b/irobot.patch
@@ -0,0 +1,37 @@
+diff --git a/src/mame/atari/irobot_m.cpp b/src/mame/atari/irobot_m.cpp
+index dfb5987e7e8..f6d24db5a9a 100644
+--- a/src/mame/atari/irobot_m.cpp
++++ b/src/mame/atari/irobot_m.cpp
+@@ -315,12 +315,11 @@ void irobot_state::irmb_dout(const irmb_ops *curop, uint32_t d)
+ void irobot_state::load_oproms()
+ {
+ uint8_t *MB = memregion("proms")->base() + 0x20;
+- int i;
+
+ /* allocate RAM */
+ m_mbops = std::make_unique<irmb_ops[]>(1024);
+
+- for (i = 0; i < 1024; i++)
++ for (int i = 0; i < 1024; i++)
+ {
+ int nxtadd, func, ramsel, diradd, latchmask, dirmask, time;
+
+@@ -387,12 +386,14 @@ void irobot_state::load_oproms()
+ void irobot_state::init_irobot()
+ {
+ for (int i = 0; i < 16; i++)
+- {
+- m_irmb_stack[i] = &m_mbops[0];
+ m_irmb_regs[i] = 0;
+- }
+- m_irmb_latch = 0;
++
+ load_oproms();
++
++ for (int i = 0; i < 16; i++)
++ m_irmb_stack[i] = &m_mbops[0];
++
++ m_irmb_latch = 0;
+ }
+
+ TIMER_DEVICE_CALLBACK_MEMBER(irobot_state::irobot_irmb_done_callback)
diff --git a/org.mamedev.MAME.yaml b/org.mamedev.MAME.yaml
index d37a4b7..902db35 100644
--- a/org.mamedev.MAME.yaml
+++ b/org.mamedev.MAME.yaml
@@ -85,3 +85,5 @@ modules:
path: sound.patch
- type: patch
path: ym3802.patch
+ - type: patch
+ path: irobot.patch