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[CDP1869] Added a macro for the interface, and made write handlers optional.

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This commit is contained in:
Curt Coder 2008-04-17 14:29:25 +00:00
parent 63acd17b6a
commit e8abef328c
3 changed files with 13 additions and 8 deletions
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14
src/emu/video/cdp1869.c
View File

@ -2,8 +2,8 @@
#include "sndintrf.h"
#include "streams.h"
#include "cpu/cdp1802/cdp1802.h"
#include "video/cdp1869.h"
#include "sound/cdp1869.h"
#include "video/cdp1869.h"
/*
@ -569,7 +569,10 @@ WRITE8_DEVICE_HANDLER( cdp1869_pageram_w )
pma = offset;
}
cdp1869->intf->page_ram_w(device, pma, data);
if (cdp1869->intf->page_ram_w)
{
cdp1869->intf->page_ram_w(device, pma, data);
}
}
/* Character RAM Access */
@ -610,7 +613,10 @@ WRITE8_DEVICE_HANDLER( cdp1869_charram_w )
cma &= 0x07;
}
cdp1869->intf->char_ram_w(device, pma, cma, data);
if (cdp1869->intf->char_ram_w)
{
cdp1869->intf->char_ram_w(device, pma, cma, data);
}
}
}
@ -776,10 +782,8 @@ static DEVICE_START( cdp1869 )
cdp1869->intf = device->static_config;
assert(cdp1869->intf->page_ram_r != NULL);
assert(cdp1869->intf->page_ram_w != NULL);
assert(cdp1869->intf->pcb_r != NULL);
assert(cdp1869->intf->char_ram_r != NULL);
assert(cdp1869->intf->char_ram_w != NULL);
// set initial values

5
src/emu/video/cdp1869.h
View File

@ -132,6 +132,7 @@ struct _cdp1869_interface
/* if specified, this gets called for every change of the predisplay pin (CDP1870/76 pin 1) */
cdp1869_on_prd_changed_func on_prd_changed;
};
#define CDP1869_INTERFACE(name) const cdp1869_interface (name) =
/* device interface */
DEVICE_GET_INFO( cdp1869_video );
@ -139,7 +140,7 @@ DEVICE_GET_INFO( cdp1869_video );
/* palette initialization */
PALETTE_INIT( cdp1869 );
/* io port access */
/* register access */
WRITE8_DEVICE_HANDLER( cdp1869_out3_w );
WRITE8_DEVICE_HANDLER( cdp1869_out4_w );
WRITE8_DEVICE_HANDLER( cdp1869_out5_w );
@ -154,7 +155,7 @@ WRITE8_DEVICE_HANDLER ( cdp1869_charram_w );
READ8_DEVICE_HANDLER ( cdp1869_pageram_r );
WRITE8_DEVICE_HANDLER ( cdp1869_pageram_w );
/* updates the screen */
/* screen update */
void cdp1869_update(const device_config *device, bitmap_t *bitmap, const rectangle *cliprect);
#endif

2
src/mame/video/cidelsa.c
View File

@ -182,7 +182,7 @@ static const cdp1869_interface altair_cdp1869_intf =
cidelsa_prd_changed,
};
static const cdp1869_interface draco_cdp1869_intf =
static CDP1869_INTERFACE( draco_cdp1869_intf )
{
SCREEN_TAG,
DRACO_CHR2,