From dc3778ce557f89396bbbd1096cd3813f7f38de8b Mon Sep 17 00:00:00 2001
From: Nikita Zimin <nzeemin@gmail.com>
Date: Mon, 16 Dec 2024 03:44:04 +0300
Subject: [PATCH] Save/restore debugger breakpoints.

---
 emulator/Emulator.cpp |  9 ++++++++-
 emulator/main.h       |  2 ++
 emulator/settings.cpp | 17 +++++++++++++++++
 3 files changed, 27 insertions(+), 1 deletion(-)

diff --git a/emulator/Emulator.cpp b/emulator/Emulator.cpp
index b045e3d..22960a2 100644
--- a/emulator/Emulator.cpp
+++ b/emulator/Emulator.cpp
@@ -182,8 +182,11 @@ bool Emulator_Init()
     m_wEmulatorCPUBpsCount = 0;
     for (int i = 0; i <= MAX_BREAKPOINTCOUNT; i++)
     {
-        m_EmulatorCPUBps[i] = 0177777;
+        uint16_t address = Settings_GetDebugBreakpoint(i);
+        m_EmulatorCPUBps[i] = address;
+        if (address != 0177777) m_wEmulatorCPUBpsCount = i + 1;
     }
+
     g_pBoard = new CMotherboard();
 
     // Allocate memory for old RAM values
@@ -213,6 +216,10 @@ void Emulator_Done()
 {
     ASSERT(g_pBoard != nullptr);
 
+    // Save breakpoints
+    for (int i = 0; i < MAX_BREAKPOINTCOUNT; i++)
+        Settings_SetDebugBreakpoint(i, i < m_wEmulatorCPUBpsCount ? m_EmulatorCPUBps[i] : 0177777);
+
     CProcessor::Done();
 
     g_pBoard->SetSoundGenCallback(nullptr);
diff --git a/emulator/main.h b/emulator/main.h
index 1698f16..cdd281f 100644
--- a/emulator/main.h
+++ b/emulator/main.h
@@ -36,6 +36,8 @@ void Settings_SetAutostart(bool flag);
 bool Settings_GetAutostart();
 void Settings_SetSound(bool flag);
 bool Settings_GetSound();
+void Settings_SetDebugBreakpoint(int bpno, quint16 address);
+quint16 Settings_GetDebugBreakpoint(int bpno);
 void Settings_SetDebugMemoryAddress(quint16 address);
 quint16 Settings_GetDebugMemoryAddress();
 bool Settings_GetDebugMemoryByte();
diff --git a/emulator/settings.cpp b/emulator/settings.cpp
index 53457d3..cef4adc 100644
--- a/emulator/settings.cpp
+++ b/emulator/settings.cpp
@@ -56,6 +56,23 @@ bool Settings_GetSound()
     return value.toBool();
 }
 
+void Settings_SetDebugBreakpoint(int bpno, quint16 address)
+{
+    char bufValueName[] = "DebugBreakpt0";
+    bufValueName[12] = bpno < 10 ? '0' + (char)bpno : 'A' + (char)(bpno - 10);
+    if (address == 0177777)
+        Global_getSettings()->remove(bufValueName);
+    else
+        Global_getSettings()->setValue(bufValueName, address);
+}
+quint16 Settings_GetDebugBreakpoint(int bpno)
+{
+    char bufValueName[] = "DebugBreakpt0";
+    bufValueName[12] = bpno < 10 ? '0' + (char)bpno : 'A' + (char)(bpno - 10);
+    QVariant value = Global_getSettings()->value(bufValueName, 0177777);
+    return (quint16)value.toUInt();
+}
+
 void Settings_SetDebugMemoryAddress(quint16 mode)
 {
     Global_getSettings()->setValue("DebugMemoryAddress", mode);