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author Miodrag Milanovic <mmicko@gmail.com>2015-01-28 09:20:10 +0100
committer Miodrag Milanovic <mmicko@gmail.com>2015-01-28 09:20:10 +0100
commit26e7a17b6326aa5a75a6276e52cf84a94c16d7a0 (patch)
treebab4468226c59d590688e0ece892f5bfbca58736 /src/mess/drivers/gamate.c
parent13b862c4fae88f0f819c2c4416d49249e4de45b9 (diff)
Cleanups and version bumpmame0158
Diffstat (limited to 'src/mess/drivers/gamate.c')
-rw-r--r--src/mess/drivers/gamate.c215
1 files changed, 106 insertions, 109 deletions
diff --git a/src/mess/drivers/gamate.c b/src/mess/drivers/gamate.c
index cc18fa3ba98..3e0480b3d4f 100644
--- a/src/mess/drivers/gamate.c
+++ b/src/mess/drivers/gamate.c
@@ -20,7 +20,7 @@ public:
: driver_device(mconfig, type, tag)
, m_maincpu(*this, "maincpu")
, m_cart(*this, "cartslot")
-#ifdef USE_GFX
+#ifdef USE_GFX
, m_gfxdecode(*this, "gfxdecode")
#endif
, m_io_joy(*this, "JOY")
@@ -53,25 +53,25 @@ private:
struct
{
- UINT8 reg[8];
- struct {
- bool write;
- bool page2; // else page1
+ UINT8 reg[8];
+ struct {
+ bool write;
+ bool page2; // else page1
UINT8 ypos, xpos/*tennis*/;
- UINT8 data[2][0x100][0x20];
- } bitmap;
- UINT8 x, y;
+ UINT8 data[2][0x100][0x20];
+ } bitmap;
+ UINT8 x, y;
bool y_increment;
} video;
struct {
- bool set;
+ bool set;
int bit_shifter;
UINT8 cartridge_byte;
UINT16 address; // in reality something more like short local cartridge address offset
bool unprotected;
bool failed;
-
+
} card_protection;
required_device<cpu_device> m_maincpu;
@@ -84,14 +84,14 @@ private:
required_shared_ptr<UINT8> m_bios;
emu_timer *timer1;
emu_timer *timer2;
- UINT8 bank_multi;
+ UINT8 bank_multi;
UINT8 *m_cart_ptr;
};
WRITE8_MEMBER( gamate_state::gamate_cart_protection_w )
{
- logerror("%.6f protection write %x %x address:%x data:%x shift:%d\n",machine().time().as_double(), offset, data, card_protection.address, card_protection.cartridge_byte, card_protection.bit_shifter);
-
+ logerror("%.6f protection write %x %x address:%x data:%x shift:%d\n",machine().time().as_double(), offset, data, card_protection.address, card_protection.cartridge_byte, card_protection.bit_shifter);
+
switch (offset) {
case 0:
card_protection.failed= card_protection.failed || ((card_protection.cartridge_byte&0x80)!=0) != ((data&4)!=0);
@@ -105,11 +105,10 @@ WRITE8_MEMBER( gamate_state::gamate_cart_protection_w )
}
READ8_MEMBER( gamate_state::gamate_cart_protection_r )
{
-
- UINT8 ret=1;
- if (card_protection.bit_shifter==7 && card_protection.unprotected) {
- ret=m_cart_ptr[bank_multi*0x4000];
- } else {
+ UINT8 ret=1;
+ if (card_protection.bit_shifter==7 && card_protection.unprotected) {
+ ret=m_cart_ptr[bank_multi*0x4000];
+ } else {
card_protection.bit_shifter++;
if (card_protection.bit_shifter==8) {
card_protection.bit_shifter=0;
@@ -118,62 +117,62 @@ READ8_MEMBER( gamate_state::gamate_cart_protection_r )
}
ret=(card_protection.cartridge_byte&0x80)?2:0;
if (card_protection.bit_shifter==7 && !card_protection.failed) { // now protection chip on cartridge activates cartridge chip select on cpu accesses
-// m_maincpu->space(AS_PROGRAM).install_read_handler(0x6000, 0x6000, READ8_DELEGATE(gamate_state, gamate_cart_protection_r)); // next time I will try to get this working
+// m_maincpu->space(AS_PROGRAM).install_read_handler(0x6000, 0x6000, READ8_DELEGATE(gamate_state, gamate_cart_protection_r)); // next time I will try to get this working
}
card_protection.cartridge_byte<<=1;
- }
- logerror("%.6f protection read %x %x address:%x data:%x shift:%d\n",machine().time().as_double(), offset, ret, card_protection.address, card_protection.cartridge_byte, card_protection.bit_shifter);
- return ret;
+ }
+ logerror("%.6f protection read %x %x address:%x data:%x shift:%d\n",machine().time().as_double(), offset, ret, card_protection.address, card_protection.cartridge_byte, card_protection.bit_shifter);
+ return ret;
}
READ8_MEMBER( gamate_state::protection_r ) { return card_protection.set? 3: 1; } // bits 0 and 1 checked
WRITE8_MEMBER( gamate_state::protection_reset )
{
- // writes 0x20
- card_protection.address=0x6005-0x6001;
- card_protection.bit_shifter=0;
- card_protection.cartridge_byte=m_cart_ptr[card_protection.address++];//m_cart_rom[card_protection.address++];
- card_protection.failed=false;
- card_protection.unprotected=false;
+ // writes 0x20
+ card_protection.address=0x6005-0x6001;
+ card_protection.bit_shifter=0;
+ card_protection.cartridge_byte=m_cart_ptr[card_protection.address++];//m_cart_rom[card_protection.address++];
+ card_protection.failed=false;
+ card_protection.unprotected=false;
}
READ8_MEMBER( gamate_state::newer_protection_set )
{
- card_protection.set=true;
- return 0;
+ card_protection.set=true;
+ return 0;
}
WRITE8_MEMBER( gamate_state::gamate_video_w )
{
- video.reg[offset]=data;
- switch (offset) {
- case 1: video.bitmap.write=data&0xc0; // more addressing mode
+ video.reg[offset]=data;
+ switch (offset) {
+ case 1: video.bitmap.write=data&0xc0; // more addressing mode
video.y_increment=data&0x40;
break;
case 2: video.bitmap.xpos=data;break; // at least 7 bits
case 3: video.bitmap.ypos=data;break; // at least 7 bits
- case 4: video.bitmap.page2=data&0x80;video.x=data&0x7f;break;
- case 5: video.y=data;break;
- case 7:
- if (video.bitmap.write) {
- if (video.x<ARRAY_LENGTH(video.bitmap.data[0][0]) /*&& video.y<ARRAY_LENGTH(video.bitmap.data[0])*/)
- video.bitmap.data[video.bitmap.page2][video.y][video.x]=data;
- else
- logerror("%.6f %04x video bitmap x %x invalid\n",machine().time().as_double(), m_maincpu->pc(), video.x);
- } else {
- video.bitmap.data[0][video.y][video.x&(ARRAY_LENGTH(video.bitmap.data[0][0])-1)]=data;
- }
- if (video.y_increment) video.y++;
+ case 4: video.bitmap.page2=data&0x80;video.x=data&0x7f;break;
+ case 5: video.y=data;break;
+ case 7:
+ if (video.bitmap.write) {
+ if (video.x<ARRAY_LENGTH(video.bitmap.data[0][0]) /*&& video.y<ARRAY_LENGTH(video.bitmap.data[0])*/)
+ video.bitmap.data[video.bitmap.page2][video.y][video.x]=data;
+ else
+ logerror("%.6f %04x video bitmap x %x invalid\n",machine().time().as_double(), m_maincpu->pc(), video.x);
+ } else {
+ video.bitmap.data[0][video.y][video.x&(ARRAY_LENGTH(video.bitmap.data[0][0])-1)]=data;
+ }
+ if (video.y_increment) video.y++;
else video.x++;
- }
+ }
}
WRITE8_MEMBER( gamate_state::cart_bankswitchmulti_w )
{
- bank_multi=data;
- membank("bankmulti")->set_base(m_cart_ptr+0x4000*data+1);
+ bank_multi=data;
+ membank("bankmulti")->set_base(m_cart_ptr+0x4000*data+1);
}
WRITE8_MEMBER( gamate_state::cart_bankswitch_w )
@@ -184,55 +183,55 @@ WRITE8_MEMBER( gamate_state::cart_bankswitch_w )
READ8_MEMBER( gamate_state::gamate_video_r )
{
if (offset!=6) return 0;
- UINT8 data=0;
- if (video.bitmap.write) {
- if (video.x<ARRAY_LENGTH(video.bitmap.data[0][0]) /*&& video.y<ARRAY_LENGTH(video.bitmap.data[0])*/)
- data=video.bitmap.data[video.bitmap.page2][video.y][video.x];
- else
- logerror("%.6f video bitmap x %x invalid\n",machine().time().as_double(),video.x);
- } else {
- data=video.bitmap.data[0][video.y][video.x&(ARRAY_LENGTH(video.bitmap.data[0][0])-1)];
- }
- if (m_maincpu->pc()<0xf000)
- logerror("%.6f video read %04x %02x\n",machine().time().as_double(),offset, data);
- return data;
+ UINT8 data=0;
+ if (video.bitmap.write) {
+ if (video.x<ARRAY_LENGTH(video.bitmap.data[0][0]) /*&& video.y<ARRAY_LENGTH(video.bitmap.data[0])*/)
+ data=video.bitmap.data[video.bitmap.page2][video.y][video.x];
+ else
+ logerror("%.6f video bitmap x %x invalid\n",machine().time().as_double(),video.x);
+ } else {
+ data=video.bitmap.data[0][video.y][video.x&(ARRAY_LENGTH(video.bitmap.data[0][0])-1)];
+ }
+ if (m_maincpu->pc()<0xf000)
+ logerror("%.6f video read %04x %02x\n",machine().time().as_double(),offset, data);
+ return data;
}
WRITE8_MEMBER( gamate_state::gamate_audio_w )
{
- logerror("%.6f %04x audio write %04x %02x\n",machine().time().as_double(),m_maincpu->pc(),offset,data);
+ logerror("%.6f %04x audio write %04x %02x\n",machine().time().as_double(),m_maincpu->pc(),offset,data);
}
READ8_MEMBER( gamate_state::gamate_audio_r )
{
- logerror("%.6f %04x audio read %04x \n",machine().time().as_double(),m_maincpu->pc(),offset);
+ logerror("%.6f %04x audio read %04x \n",machine().time().as_double(),m_maincpu->pc(),offset);
return 0;
}
READ8_MEMBER( gamate_state::gamate_pad_r )
{
- UINT8 data=m_io_joy->read();
- return data;
+ UINT8 data=m_io_joy->read();
+ return data;
}
static ADDRESS_MAP_START( gamate_mem, AS_PROGRAM, 8, gamate_state )
- AM_RANGE(0x0000, 0x03ff) AM_RAM
- AM_RANGE(0x4000, 0x400d) AM_READWRITE(gamate_audio_r, gamate_audio_w)
- AM_RANGE(0x4400, 0x4400) AM_READ(gamate_pad_r)
- AM_RANGE(0x5000, 0x5007) AM_READWRITE(gamate_video_r, gamate_video_w)
- AM_RANGE(0x5800, 0x5800) AM_READ(newer_protection_set)
- AM_RANGE(0x5900, 0x5900) AM_WRITE(protection_reset)
- AM_RANGE(0x5a00, 0x5a00) AM_READ(protection_r)
+ AM_RANGE(0x0000, 0x03ff) AM_RAM
+ AM_RANGE(0x4000, 0x400d) AM_READWRITE(gamate_audio_r, gamate_audio_w)
+ AM_RANGE(0x4400, 0x4400) AM_READ(gamate_pad_r)
+ AM_RANGE(0x5000, 0x5007) AM_READWRITE(gamate_video_r, gamate_video_w)
+ AM_RANGE(0x5800, 0x5800) AM_READ(newer_protection_set)
+ AM_RANGE(0x5900, 0x5900) AM_WRITE(protection_reset)
+ AM_RANGE(0x5a00, 0x5a00) AM_READ(protection_r)
- AM_RANGE(0x6001, 0x9fff) AM_READ_BANK("bankmulti")
- AM_RANGE(0xa000, 0xdfff) AM_READ_BANK("bank")
+ AM_RANGE(0x6001, 0x9fff) AM_READ_BANK("bankmulti")
+ AM_RANGE(0xa000, 0xdfff) AM_READ_BANK("bank")
AM_RANGE(0x6000, 0x6000) AM_READWRITE(gamate_cart_protection_r, gamate_cart_protection_w)
AM_RANGE(0x8000, 0x8000) AM_WRITE(cart_bankswitchmulti_w)
AM_RANGE(0xc000, 0xc000) AM_WRITE(cart_bankswitch_w)
- AM_RANGE(0xf000, 0xffff) AM_ROM AM_SHARE("bios")
+ AM_RANGE(0xf000, 0xffff) AM_ROM AM_SHARE("bios")
ADDRESS_MAP_END
@@ -251,30 +250,30 @@ INPUT_PORTS_END
#ifdef USE_GFX
static const struct gfx_layout gamate_charlayout =
{
- 4, /* width of object */
- 1, /* height of object */
- 256,/* 256 characters */
- 2, /* bits per pixel */
- { 0,4 }, /* no bitplanes */
- /* x offsets */
- { 0,1,2,3 },
- /* y offsets */
- { 0 },
- 8*1 /* size of 1 object in bits */
+ 4, /* width of object */
+ 1, /* height of object */
+ 256,/* 256 characters */
+ 2, /* bits per pixel */
+ { 0,4 }, /* no bitplanes */
+ /* x offsets */
+ { 0,1,2,3 },
+ /* y offsets */
+ { 0 },
+ 8*1 /* size of 1 object in bits */
};
static GFXDECODE_START( gamate )
- GFXDECODE_ENTRY( "gfx1", 0x0000, gamate_charlayout, 0, 0x100 )
+ GFXDECODE_ENTRY( "gfx1", 0x0000, gamate_charlayout, 0, 0x100 )
GFXDECODE_END
#endif
/* palette in red, green, blue tribles */
static const unsigned char gamate_colors[4][3] =
{
- { 255,255,255 },
- { 0xa0, 0xa0, 0xa0 },
- { 0x60, 0x60, 0x60 },
- { 0, 0, 0 }
+ { 255,255,255 },
+ { 0xa0, 0xa0, 0xa0 },
+ { 0x60, 0x60, 0x60 },
+ { 0, 0, 0 }
};
PALETTE_INIT_MEMBER(gamate_state, gamate)
@@ -299,21 +298,21 @@ static void BlitPlane(UINT16* line, UINT8 plane1, UINT8 plane2)
UINT32 gamate_state::screen_update_gamate(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
- int x, y, j;
- for (y=0;y<152;y++) {
- for (x=-(video.bitmap.xpos&7), j=0;x<160;x+=8, j++) {
- UINT8 d1=video.bitmap.data[0][(y+video.bitmap.ypos)&0xff][(j+video.bitmap.xpos/8)&0x1f];
- UINT8 d2=video.bitmap.data[1][(y+video.bitmap.ypos)&0xff][(j+video.bitmap.xpos/8)&0x1f];
+ int x, y, j;
+ for (y=0;y<152;y++) {
+ for (x=-(video.bitmap.xpos&7), j=0;x<160;x+=8, j++) {
+ UINT8 d1=video.bitmap.data[0][(y+video.bitmap.ypos)&0xff][(j+video.bitmap.xpos/8)&0x1f];
+ UINT8 d2=video.bitmap.data[1][(y+video.bitmap.ypos)&0xff][(j+video.bitmap.xpos/8)&0x1f];
#ifdef USE_GFX
- m_gfxdecode->gfx(0)->opaque(bitmap,cliprect, (d1&0xf)|((d2&0xf)<<4), 0,0,0,x+4,y);
+ m_gfxdecode->gfx(0)->opaque(bitmap,cliprect, (d1&0xf)|((d2&0xf)<<4), 0,0,0,x+4,y);
m_gfxdecode->gfx(0)->opaque(bitmap,cliprect, (d1>>4)|(d2&0xf0),0,0,0,x,y);
#else
- BlitPlane(&bitmap.pix16(y, x+4), d1, d2);
- BlitPlane(&bitmap.pix16(y, x), d1>>4, d2>>4);
-#endif
- }
- }
- return 0;
+ BlitPlane(&bitmap.pix16(y, x+4), d1, d2);
+ BlitPlane(&bitmap.pix16(y, x), d1>>4, d2>>4);
+#endif
+ }
+ }
+ return 0;
}
DRIVER_INIT_MEMBER(gamate_state,gamate)
@@ -322,7 +321,7 @@ DRIVER_INIT_MEMBER(gamate_state,gamate)
#ifdef USE_GFX
UINT8 *gfx=memregion("gfx1")->base();
for (int i=0; i<256; i++) gfx[i]=i;
-#endif
+#endif
timer1 = machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(gamate_state::gamate_timer),this));
timer2 = machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(gamate_state::gamate_timer2),this));
}
@@ -332,12 +331,12 @@ void gamate_state::machine_start()
{
m_cart_ptr = memregion("maincpu")->base() + 0x6000;
if (m_cart->exists()) {
-// m_maincpu->space(AS_PROGRAM).install_read_handler(0x6000, 0x6000, READ8_DELEGATE(gamate_state, gamate_cart_protection_r));
+// m_maincpu->space(AS_PROGRAM).install_read_handler(0x6000, 0x6000, READ8_DELEGATE(gamate_state, gamate_cart_protection_r));
m_cart_ptr = m_cart->get_rom_base();
membank("bankmulti")->set_base(m_cart->get_rom_base()+1);
membank("bank")->set_base(m_cart->get_rom_base()+0x4000); // bankswitched games in reality no offset
}
-// m_bios[0xdf1]=0xea; m_bios[0xdf2]=0xea; // default bios: $47 protection readback
+// m_bios[0xdf1]=0xea; m_bios[0xdf2]=0xea; // default bios: $47 protection readback
card_protection.set=false;
bank_multi=0;
card_protection.unprotected=false;
@@ -390,7 +389,7 @@ static MACHINE_CONFIG_START( gamate, gamate_state )
#ifdef USE_GFX
MCFG_GFXDECODE_ADD("gfxdecode", "palette", gamate )
-#endif
+#endif
MCFG_PALETTE_ADD("palette", ARRAY_LENGTH(gamate_colors))
MCFG_PALETTE_INIT_OWNER(gamate_state, gamate)
MCFG_DEFAULT_LAYOUT(layout_lcd)
@@ -408,13 +407,11 @@ ROM_START(gamate)
ROMX_LOAD("gamate_bios_umc.bin", 0xf000, 0x1000, CRC(07090415) SHA1(ea449dc607601f9a68d855ad6ab53800d2e99297), ROM_BIOS(1) )
ROM_SYSTEM_BIOS(1, "newer", "NEWER")
ROMX_LOAD("gamate_bios_9130__unknown__bit_icasc00001_9130-bs_r32261.bin", 0xf000, 0x1000, CRC(03a5f3a7) SHA1(4e9dfbfe916ca485530ef4221593ab68738e2217), ROM_BIOS(2) )
-#ifdef USE_GFX
+#ifdef USE_GFX
ROM_REGION(0x100,"gfx1", ROMREGION_ERASEFF)
-#endif
+#endif
ROM_END
/* YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME */
CONS( 19??, gamate, 0, 0, gamate, gamate, gamate_state, gamate, "Bit Corp", "Gamate", GAME_NO_SOUND)
-
-