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Added blinking, last one for this M50458 thing

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This commit is contained in:
Angelo Salese 2012-08-28 22:01:51 +00:00
parent 62968e9f3c
commit 0472d67a05
3 changed files with 68 additions and 5 deletions
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43
src/emu/video/m50458.c
View File

@ -32,6 +32,8 @@ static ADDRESS_MAP_START( m50458_vram, AS_0, 16, m50458_device )
AM_RANGE(0x0242, 0x0243) AM_WRITE(vreg_121_w)
AM_RANGE(0x0244, 0x0245) AM_WRITE(vreg_122_w)
AM_RANGE(0x0246, 0x0247) AM_WRITE(vreg_123_w)
AM_RANGE(0x0248, 0x0249) AM_WRITE(vreg_124_w)
AM_RANGE(0x024a, 0x024b) AM_WRITE(vreg_125_w)
AM_RANGE(0x024c, 0x024d) AM_WRITE(vreg_126_w)
AM_RANGE(0x024e, 0x024f) AM_WRITE(vreg_127_w)
ADDRESS_MAP_END
@ -86,6 +88,17 @@ WRITE16_MEMBER( m50458_device::vreg_123_w)
// printf("%02x %02x %02x\n",m_scrr,m_scrf,m_space);
}
WRITE16_MEMBER( m50458_device::vreg_124_w)
{
}
WRITE16_MEMBER( m50458_device::vreg_125_w)
{
/* blinking cycle */
m_blink = data & 4 ? 0x20 : 0x40;
}
WRITE16_MEMBER( m50458_device::vreg_126_w)
{
/* Raster Color Setting */
@ -175,6 +188,20 @@ void m50458_device::device_validity_check(validity_checker &valid) const
}
void m50458_device::device_config_complete()
{
// inherit a copy of the static data
const m50458_interface *intf = reinterpret_cast<const m50458_interface *>(static_config());
if (intf != NULL)
*static_cast<m50458_interface *>(this) = *intf;
// or initialize to defaults if none provided
else
{
// ...
}
}
//-------------------------------------------------
// device_start - device-specific startup
//-------------------------------------------------
@ -222,6 +249,14 @@ void m50458_device::device_start()
m_shadow_gfx[dst] |= (tmp >> 8);
}
}
// find screen
m_screen = machine().device<screen_device>(m_screen_tag);
if (m_screen == NULL)
{
m_screen = owner()->subdevice<screen_device>(m_screen_tag);
}
}
@ -236,6 +271,8 @@ void m50458_device::device_reset()
/* clear VRAM at boot */
for(i=0;i<0x120;i++)
write_word(i,0x007f);
m_blink = 0x40;
}
@ -338,8 +375,6 @@ UINT32 m50458_device::screen_update(screen_device &screen, bitmap_rgb32 &bitmap,
int res_y,res_x;
UINT8 xh,yh;
/* TODO: blinking, bit 7 (RTC test in NSS) */
if(xi>=8)
pix = ((pcg[offset+1] >> (7-(xi & 0x7))) & 1) << 1;
else
@ -350,6 +385,10 @@ UINT32 m50458_device::screen_update(screen_device &screen, bitmap_rgb32 &bitmap,
else
pix |= ((m_shadow_gfx[offset+0] >> (7-(xi & 0x7))) & 1);
/* blinking, VERY preliminary */
if(tile & 0x800 && m_screen->frame_number() & m_blink)
pix = 0;
if(yi == 17 && tile & 0x1000) /* underline? */
pix |= 1;

23
src/emu/video/m50458.h
View File

@ -15,8 +15,13 @@ Mitsubishi M50458 OSD chip
// INTERFACE CONFIGURATION MACROS
//**************************************************************************
#define MCFG_M50458_ADD(_tag,_freq) \
#define MCFG_M50458_ADD(_tag,_config,_freq) \
MCFG_DEVICE_ADD(_tag, M50458,_freq) \
MCFG_DEVICE_CONFIG(_config) \
#define M50458_INTERFACE(name) \
const m50458_interface (name) =
//**************************************************************************
@ -29,10 +34,18 @@ typedef enum
OSD_SET_DATA
} m50458_state_t;
// ======================> upd7220_interface
struct m50458_interface
{
const char *m_screen_tag;
};
// ======================> m50458_device
class m50458_device : public device_t,
public device_memory_interface
public device_memory_interface,
public m50458_interface
{
public:
// construction/destruction
@ -46,6 +59,8 @@ public:
DECLARE_WRITE16_MEMBER(vreg_121_w);
DECLARE_WRITE16_MEMBER(vreg_122_w);
DECLARE_WRITE16_MEMBER(vreg_123_w);
DECLARE_WRITE16_MEMBER(vreg_124_w);
DECLARE_WRITE16_MEMBER(vreg_125_w);
DECLARE_WRITE16_MEMBER(vreg_126_w);
DECLARE_WRITE16_MEMBER(vreg_127_w);
@ -58,6 +73,9 @@ protected:
virtual void device_start();
virtual void device_reset();
virtual const address_space_config *memory_space_config(address_spacenum spacenum = AS_0) const;
virtual void device_config_complete();
screen_device *m_screen;
int m_latch;
int m_reset_line;
@ -73,6 +91,7 @@ protected:
UINT8 m_space;
UINT8 m_hsz1,m_hsz2,m_hsz3;
UINT8 m_vsz1,m_vsz2,m_vsz3;
UINT8 m_blink;
m50458_state_t m_osd_state;

7
src/mame/drivers/nss.c
View File

@ -844,6 +844,11 @@ static MACHINE_RESET( nss )
state->m_joy_flag = 1;
}
static M50458_INTERFACE( m50458_intf )
{
"osd"
};
static MACHINE_CONFIG_DERIVED( nss, snes )
MCFG_CPU_ADD("bios", Z80, 4000000)
@ -851,7 +856,7 @@ static MACHINE_CONFIG_DERIVED( nss, snes )
MCFG_CPU_IO_MAP(bios_io_map)
MCFG_CPU_VBLANK_INT("screen", nss_vblank_irq)
MCFG_M50458_ADD("m50458",4000000) /* TODO: clock */
MCFG_M50458_ADD("m50458",m50458_intf,4000000) /* TODO: clock */
MCFG_S3520CF_ADD("s3520cf") /* RTC */
MCFG_RP5H01_ADD("rp5h01")
MCFG_M6M80011AP_ADD("m6m80011ap")