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android: make armeabi buildable
[picodrive.git]
/
pico
/
sms.c
diff --git
a/pico/sms.c
b/pico/sms.c
index
1e1e748
..
a2351b0
100644
(file)
--- a/
pico/sms.c
+++ b/
pico/sms.c
@@
-1,10
+1,16
@@
+/*
+ * SMS emulation
+ * (C) notaz, 2009-2010
+ *
+ * This work is licensed under the terms of MAME license.
+ * See COPYING file in the top-level directory.
+ */
/*
* TODO:
* - start in a state as if BIOS ran
* - remaining status flags (OVR/COL)
* - RAM support in mapper
* - region support
/*
* TODO:
* - start in a state as if BIOS ran
* - remaining status flags (OVR/COL)
* - RAM support in mapper
* - region support
- * - Pause button (NMI)
* - SN76496 DAC-like usage
* - H counter
*/
* - SN76496 DAC-like usage
* - H counter
*/
@@
-17,7
+23,7
@@
static unsigned char vdp_data_read(void)
struct PicoVideo *pv = &Pico.video;
unsigned char d;
struct PicoVideo *pv = &Pico.video;
unsigned char d;
- d = Pico.vramb[pv->addr];
+ d = Pico
Mem
.vramb[pv->addr];
pv->addr = (pv->addr + 1) & 0x3fff;
pv->pending = 0;
return d;
pv->addr = (pv->addr + 1) & 0x3fff;
pv->pending = 0;
return d;
@@
-38,10
+44,10
@@
static void vdp_data_write(unsigned char d)
struct PicoVideo *pv = &Pico.video;
if (pv->type == 3) {
struct PicoVideo *pv = &Pico.video;
if (pv->type == 3) {
- Pico.cram[pv->addr & 0x1f] = d;
+ Pico
Mem
.cram[pv->addr & 0x1f] = d;
Pico.m.dirtyPal = 1;
} else {
Pico.m.dirtyPal = 1;
} else {
- Pico.vramb[pv->addr] = d;
+ Pico
Mem
.vramb[pv->addr] = d;
}
pv->addr = (pv->addr + 1) & 0x3fff;
}
pv->addr = (pv->addr + 1) & 0x3fff;
@@
-174,7
+180,7
@@
static void xwrite(unsigned int a, unsigned char d)
{
elprintf(EL_IO, "z80 write [%04x] %02x", a, d);
if (a >= 0xc000)
{
elprintf(EL_IO, "z80 write [%04x] %02x", a, d);
if (a >= 0xc000)
- Pico.zram[a & 0x1fff] = d;
+ Pico
Mem
.zram[a & 0x1fff] = d;
if (a >= 0xfff8)
write_bank(a, d);
}
if (a >= 0xfff8)
write_bank(a, d);
}
@@
-189,7
+195,7
@@
void PicoPowerMS(void)
{
int s, tmp;
{
int s, tmp;
- memset(&Pico
.ram,0,(unsigned char *)&Pico.rom - Pico.ram
);
+ memset(&Pico
Mem,0,sizeof(PicoMem)
);
memset(&Pico.video,0,sizeof(Pico.video));
memset(&Pico.m,0,sizeof(Pico.m));
Pico.m.pal = 0;
memset(&Pico.video,0,sizeof(Pico.video));
memset(&Pico.m,0,sizeof(Pico.m));
Pico.m.pal = 0;
@@
-213,11
+219,11
@@
void PicoPowerMS(void)
void PicoMemSetupMS(void)
{
z80_map_set(z80_read_map, 0x0000, 0xbfff, Pico.rom, 0);
void PicoMemSetupMS(void)
{
z80_map_set(z80_read_map, 0x0000, 0xbfff, Pico.rom, 0);
- z80_map_set(z80_read_map, 0xc000, 0xdfff, Pico.zram, 0);
- z80_map_set(z80_read_map, 0xe000, 0xffff, Pico.zram, 0);
+ z80_map_set(z80_read_map, 0xc000, 0xdfff, Pico
Mem
.zram, 0);
+ z80_map_set(z80_read_map, 0xe000, 0xffff, Pico
Mem
.zram, 0);
z80_map_set(z80_write_map, 0x0000, 0xbfff, xwrite, 1);
z80_map_set(z80_write_map, 0x0000, 0xbfff, xwrite, 1);
- z80_map_set(z80_write_map, 0xc000, 0xdfff, Pico.zram, 0);
+ z80_map_set(z80_write_map, 0xc000, 0xdfff, Pico
Mem
.zram, 0);
z80_map_set(z80_write_map, 0xe000, 0xffff, xwrite, 1);
#ifdef _USE_DRZ80
z80_map_set(z80_write_map, 0xe000, 0xffff, xwrite, 1);
#ifdef _USE_DRZ80
@@
-226,8
+232,8
@@
void PicoMemSetupMS(void)
#endif
#ifdef _USE_CZ80
Cz80_Set_Fetch(&CZ80, 0x0000, 0xbfff, (FPTR)Pico.rom);
#endif
#ifdef _USE_CZ80
Cz80_Set_Fetch(&CZ80, 0x0000, 0xbfff, (FPTR)Pico.rom);
- Cz80_Set_Fetch(&CZ80, 0xc000, 0xdfff, (FPTR)Pico.zram);
- Cz80_Set_Fetch(&CZ80, 0xe000, 0xffff, (FPTR)Pico.zram);
+ Cz80_Set_Fetch(&CZ80, 0xc000, 0xdfff, (FPTR)Pico
Mem
.zram);
+ Cz80_Set_Fetch(&CZ80, 0xe000, 0xffff, (FPTR)Pico
Mem
.zram);
Cz80_Set_INPort(&CZ80, z80_sms_in);
Cz80_Set_OUTPort(&CZ80, z80_sms_out);
#endif
Cz80_Set_INPort(&CZ80, z80_sms_in);
Cz80_Set_OUTPort(&CZ80, z80_sms_out);
#endif
@@
-249,8
+255,16
@@
void PicoFrameMS(void)
int skip = PicoSkipFrame;
int lines_vis = 192;
int hint; // Hint counter
int skip = PicoSkipFrame;
int lines_vis = 192;
int hint; // Hint counter
+ int nmi;
int y;
int y;
+ PsndStartFrame();
+
+ nmi = (PicoPad[0] >> 7) & 1;
+ if (!Pico.ms.nmi_state && nmi)
+ z80_nmi();
+ Pico.ms.nmi_state = nmi;
+
PicoFrameStartMode4();
hint = pv->reg[0x0a];
PicoFrameStartMode4();
hint = pv->reg[0x0a];