sms, fix save/load bugs (irq, mapper)

diff --git a/pico/sms.c b/pico/sms.c
index 615ba36..6b1425b 100644 (file)
--- a/pico/sms.c
+++ b/pico/sms.c
@@ -795,6 +795,9 @@ void PicoMemSetupMS(void)
 void PicoStateLoadedMS(void)
 {
   u8 mapper = Pico.ms.mapper;
+  u8 zram_dff0[16]; // TODO xwrite also writes to zram :-/
+
+  memcpy(zram_dff0, PicoMem.zram+0x1ff0, 16);
   if (mapper == PMS_MAP_8KBRAM || mapper == PMS_MAP_32KBRAM) {
     u16 a = Pico.ms.carthw[0] << 12;
     xwrite(a, *(unsigned char *)(PicoMem.vram+0x4000));
@@ -828,6 +831,7 @@ void PicoStateLoadedMS(void)
     xwrite(0xfffe, Pico.ms.carthw[0x0e]);
     xwrite(0xffff, Pico.ms.carthw[0x0f]);
   }
+  memcpy(PicoMem.zram+0x1ff0, zram_dff0, 16);
 }
 
 void PicoFrameMS(void)
@@ -868,6 +872,7 @@ void PicoFrameMS(void)
     switch (is_pal ? -lines_vis : lines_vis) {
     case  192: if (y > 218) pv->v_counter = y - (lines-256); break;
     case  224: if (y > 234) pv->v_counter = y - (lines-256); break;
+/*  case  240: if (y > 252) pv->v_counter = y - (lines-256); break; ? */
     case -192: if (y > 242) pv->v_counter = y - (lines-256); break;
     case -224: if (y > 258) pv->v_counter = y - (lines-256); break;
     case -240: if (y > 266) pv->v_counter = y - (lines-256); break;

diff --git a/pico/state.c b/pico/state.c
index 635c95d..bd801b1 100644 (file)
--- a/pico/state.c
+++ b/pico/state.c
@@ -605,12 +605,13 @@ readend:
     Pico32xStateLoaded(0);\r
   if (PicoIn.AHW & PAHW_MCD)\r
     pcd_state_loaded();\r
+  if (!(PicoIn.AHW & PAHW_SMS)) {\r
+    Pico.video.status &= ~(SR_VB | SR_F);\r
+    Pico.video.status |= ((Pico.video.reg[1] >> 3) ^ SR_VB) & SR_VB;\r
+    Pico.video.status |= (Pico.video.pending_ints << 2) & SR_F;\r
+  }\r
 \r
   Pico.m.dirtyPal = 1;\r
-  Pico.video.status &= ~(SR_VB | SR_F);\r
-  Pico.video.status |= ((Pico.video.reg[1] >> 3) ^ SR_VB) & SR_VB;\r
-  Pico.video.status |= (Pico.video.pending_ints << 2) & SR_F;\r
-\r
   retval = 0;\r
 \r
 out:\r

diff --git a/pico/z80if.c b/pico/z80if.c
index 6243675..558607c 100644 (file)
--- a/pico/z80if.c
+++ b/pico/z80if.c
@@ -209,7 +209,7 @@ void z80_pack(void *data)
     s->iff1 = !!zIFF1;
     s->iff2 = !!zIFF2;
     s->im = zIM;
-    s->irq_pending = (Cz80_Get_Reg(&CZ80, CZ80_IRQ) == HOLD_LINE);
+    s->irq_pending = (Cz80_Get_Reg(&CZ80, CZ80_IRQ) != CLEAR_LINE);
     s->irq_vector[0] = 0xff;
   }
 #endif
@@ -276,7 +276,8 @@ int z80_unpack(const void *data)
     Cz80_Set_Reg(&CZ80, CZ80_IFF1, s->iff1);
     Cz80_Set_Reg(&CZ80, CZ80_IFF2, s->iff2);
     zIM = s->im;
-    Cz80_Set_Reg(&CZ80, CZ80_IRQ, s->irq_pending ? HOLD_LINE : CLEAR_LINE);
+    Cz80_Set_Reg(&CZ80, CZ80_IRQ, s->irq_pending ? ASSERT_LINE : CLEAR_LINE);
+    Cz80_Set_IRQ(&CZ80, 0, Cz80_Get_Reg(&CZ80, CZ80_IRQ));
     return 0;
   }
 #else