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attache: Fixed display size, and corrected the DMA clock.

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This commit is contained in:
mahlemiut 2013-05-25 23:30:50 +00:00
parent dcd0b17dc6
commit f98015dc7f
1 changed files with 12 additions and 11 deletions
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23
src/mess/drivers/attache.c
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@ -198,7 +198,6 @@ private:
required_memory_bank m_membank8;
bool m_rom_active;
//bool m_operation_enable;
UINT8 m_pio_porta;
UINT8 m_pio_portb;
UINT8 m_pio_select;
@ -223,9 +222,9 @@ UINT32 attache_state::screen_update(screen_device &screen, bitmap_rgb32 &bitmap,
{
UINT8 x,y,bit,scan,data;
for(y=0;y<24;y++) // lines
for(y=0;y<bitmap.height()/10;y++) // lines
{
for(x=0;x<40;x++) // columns
for(x=0;x<bitmap.width()/8;x++) // columns
{
UINT8 ch = m_char_ram[(y*128)+x];
for(scan=0;scan<10;scan++) // 10 scanlines per line
@ -233,7 +232,8 @@ UINT32 attache_state::screen_update(screen_device &screen, bitmap_rgb32 &bitmap,
data = m_char_rom->base()[ch*16+scan];
for(bit=0;bit<8;bit++) // 8 pixels per character
{
bitmap.pix32(y*10+scan,x*8+bit) = (BIT(data,7-bit)) ? 0xffffff : 0x000000;
if(x >= cliprect.min_x && x < cliprect.max_x && y >= cliprect.min_y && y < cliprect.max_y)
bitmap.pix32(y*10+scan,x*8+bit) = (BIT(data,7-bit)) ? 0xffffff : 0x000000;
}
}
}
@ -486,8 +486,8 @@ WRITE8_MEMBER(attache_state::display_data_w)
case DISP_CHAR:
m_char_ram[(m_char_line*128)+(param & 0x7f)] = data;
break;
default:
logerror("Unimplemented display operation %02x data %02x param %02x\n",m_current_cmd,data,param);
// default:
// logerror("Unimplemented display operation %02x data %02x param %02x\n",m_current_cmd,data,param);
}
}
@ -596,6 +596,7 @@ WRITE_LINE_MEMBER(attache_state::eop_w)
WRITE_LINE_MEMBER( attache_state::fdc_dack_w )
{
}
static ADDRESS_MAP_START( attache_map , AS_PROGRAM, 8, attache_state)
@ -753,7 +754,7 @@ static const am9517a_interface dma_interface =
DEVCB_DRIVER_MEMBER(attache_state,dma_mem_w), // out_memw_cb
{DEVCB_DRIVER_MEMBER(attache_state,fdc_dma_r), DEVCB_NULL, DEVCB_NULL, DEVCB_NULL}, // in_ior_cb[4]
{DEVCB_DRIVER_MEMBER(attache_state,fdc_dma_w), DEVCB_NULL, DEVCB_NULL, DEVCB_NULL}, // out_iow_cb[4]
{DEVCB_DRIVER_LINE_MEMBER(attache_state,fdc_dack_w), DEVCB_NULL, DEVCB_NULL, DEVCB_NULL} // out_dack_cb[4]
{DEVCB_NULL,/*DEVCB_DRIVER_LINE_MEMBER(attache_state,fdc_dack_w),*/ DEVCB_NULL, DEVCB_NULL, DEVCB_NULL} // out_dack_cb[4]
};
// IRQ daisy chain = CTC -> SIO -> Expansion
@ -768,7 +769,7 @@ static const z80_daisy_config attache_daisy_chain[] =
static const tms9927_interface crtc_interface =
{
"screen",
4, // guessing for now
8, // guessing for now
NULL
};
@ -830,8 +831,8 @@ static MACHINE_CONFIG_START( attache, attache_state )
MCFG_SCREEN_ADD("screen", RASTER)
MCFG_SCREEN_REFRESH_RATE(60)
MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(64)) /* not accurate */
MCFG_SCREEN_SIZE(320,240)
MCFG_SCREEN_VISIBLE_AREA(0, 320-1, 0, 240-1)
MCFG_SCREEN_SIZE(640,240)
MCFG_SCREEN_VISIBLE_AREA(0, 640-1, 0, 240-1)
MCFG_SCREEN_UPDATE_DRIVER(attache_state, screen_update)
MCFG_SCREEN_VBLANK_DRIVER(attache_state, vblank_int)
@ -846,7 +847,7 @@ static MACHINE_CONFIG_START( attache, attache_state )
MCFG_Z80SIO_ADD("sio",XTAL_8MHz / 26, sio_interface)
MCFG_Z80CTC_ADD("ctc",XTAL_8MHz / 4, ctc_interface)
MCFG_AM9517A_ADD("dma",XTAL_8MHz / 2, dma_interface)
MCFG_AM9517A_ADD("dma",XTAL_8MHz / 4, dma_interface)
MCFG_UPD765A_ADD("fdc", true, true)