From 9961d9fdb8d810b3d88f9c1b913165cd876cec60 Mon Sep 17 00:00:00 2001
From: kub <derkub@gmail.com>
Date: Mon, 3 Jul 2023 23:29:51 +0200
Subject: [PATCH] 32x, fix disabling via ADEN (memory leak, mcd)

---
 pico/32x/32x.c  | 13 +++++++++----
 pico/cart.c     |  3 +--
 pico/pico_int.h |  1 +
 3 files changed, 11 insertions(+), 6 deletions(-)

diff --git a/pico/32x/32x.c b/pico/32x/32x.c
index 67ad5a3a..61da4816 100644
--- a/pico/32x/32x.c
+++ b/pico/32x/32x.c
@@ -129,12 +129,16 @@ void Pico32xShutdown(void)
   sh2_finish(&msh2);
   sh2_finish(&ssh2);
 
-  Pico32x.vdp_regs[6] = P32XS_RV;
+  Pico32x.vdp_regs[0] |= P32XS_nRES;
+  Pico32x.vdp_regs[6] |= P32XS_RV;
 
   rendstatus_old = -1;
 
   PicoIn.AHW &= ~PAHW_32X;
-  PicoMemSetup();
+  if (PicoIn.AHW & PAHW_MCD)
+    PicoMemSetupCD();
+  else
+    PicoMemSetup();
   emu_32x_startup();
 }
 
@@ -209,7 +213,8 @@ void PicoPower32x(void)
 
 void PicoUnload32x(void)
 {
-  Pico32xShutdown();
+  if (PicoIn.AHW & PAHW_32X)
+    Pico32xShutdown();
 
   if (Pico32xMem != NULL)
     plat_munmap(Pico32xMem, sizeof(*Pico32xMem));
@@ -464,7 +469,7 @@ void sync_sh2s_normal(unsigned int m68k_target)
 
   elprintf(EL_32X, "sh2 sync to %u", m68k_target);
 
-  if (!(Pico32x.regs[0] & P32XS_nRES) || !(Pico32x.regs[0] & P32XS_ADEN)) {
+  if ((Pico32x.regs[0] & (P32XS_nRES|P32XS_ADEN)) != (P32XS_nRES|P32XS_ADEN)) {
     msh2.m68krcycles_done = ssh2.m68krcycles_done = m68k_target;
     return; // rare
   }
diff --git a/pico/cart.c b/pico/cart.c
index bcdf5529..e8293abc 100644
--- a/pico/cart.c
+++ b/pico/cart.c
@@ -908,8 +908,7 @@ void PicoCartUnload(void)
     PicoCartUnloadHook = NULL;
   }
 
-  if (PicoIn.AHW & PAHW_32X)
-    PicoUnload32x();
+  PicoUnload32x();
 
   if (Pico.rom != NULL) {
     SekFinishIdleDet();
diff --git a/pico/pico_int.h b/pico/pico_int.h
index 4944bb7d..c04a5ccf 100644
--- a/pico/pico_int.h
+++ b/pico/pico_int.h
@@ -995,6 +995,7 @@ void Pico32xInit(void);
 void PicoPower32x(void);
 void PicoReset32x(void);
 void Pico32xStartup(void);
+void Pico32xShutdown(void);
 void PicoUnload32x(void);
 void PicoFrame32x(void);
 void Pico32xStateLoaded(int is_early);
-- 
2.39.2