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Added Synertek SY6845E subtype to mc6845.c [Curt Coder]

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This commit is contained in:
Curt Coder 2010-12-16 14:35:06 +00:00
parent 6c3f61fa84
commit b11b2bdcc8
2 changed files with 35 additions and 10 deletions
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44
src/emu/video/mc6845.c
View File

@ -39,29 +39,32 @@ enum
TYPE_H46505,
TYPE_HD6845,
TYPE_SY6545_1,
TYPE_SY6845E,
NUM_TYPES
};
/* mode macros */
#define MODE_TRANSPARENT(d) (((d)->mode_control & 0x08) != 0)
#define MODE_TRANSPARENT_PHI2(d) (((d)->mode_control & 0x88) == 0x88)
/* FIXME: not supported yet */
#define MODE_TRANSPARENT_BLANK(d) (((d)->mode_control & 0x88) == 0x08)
#define MODE_UPDATE_STROBE(d) (((d)->mode_control & 0x40) != 0)
#define MODE_CURSOR_SKEW(d) (((d)->mode_control & 0x20) != 0)
#define MODE_DISPLAY_ENABLE_SKEW(d) (((d)->mode_control & 0x10) != 0)
#define MODE_ROW_COLUMN_ADDRESSING(d) (((d)->mode_control & 0x04) != 0)
/* capabilities */ /* MC6845 MC6845-1 C6545-1 R6545-1 H46505 HD6845 SY6545-1 */
static const int supports_disp_start_addr_r[NUM_TYPES] = { TRUE, TRUE, FALSE, FALSE, FALSE, FALSE, FALSE };
static const int supports_vert_sync_width[NUM_TYPES] = { FALSE, TRUE, TRUE, TRUE, FALSE, TRUE, TRUE };
static const int supports_status_reg_d5[NUM_TYPES] = { FALSE, FALSE, TRUE, TRUE, FALSE, FALSE, TRUE };
static const int supports_status_reg_d6[NUM_TYPES] = { FALSE, FALSE, TRUE, TRUE, FALSE, FALSE, TRUE };
/* capabilities */ /* MC6845 MC6845-1 C6545-1 R6545-1 H46505 HD6845 SY6545-1 SY6845E */
static const int supports_disp_start_addr_r[NUM_TYPES] = { TRUE, TRUE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE };
static const int supports_vert_sync_width[NUM_TYPES] = { FALSE, TRUE, TRUE, TRUE, FALSE, TRUE, TRUE, TRUE };
static const int supports_status_reg_d5[NUM_TYPES] = { FALSE, FALSE, TRUE, TRUE, FALSE, FALSE, TRUE, TRUE };
static const int supports_status_reg_d6[NUM_TYPES] = { FALSE, FALSE, TRUE, TRUE, FALSE, FALSE, TRUE, TRUE };
/* FIXME: check other variants */
static const int supports_status_reg_d7[NUM_TYPES] = { FALSE, FALSE, FALSE, TRUE, FALSE, FALSE, TRUE };
static const int supports_status_reg_d7[NUM_TYPES] = { FALSE, FALSE, FALSE, TRUE, FALSE, FALSE, TRUE, TRUE };
/* FIXME: check other variants */
static const int supports_transparent[NUM_TYPES] = { FALSE, FALSE, FALSE, TRUE, FALSE, FALSE, TRUE };
static const int supports_transparent[NUM_TYPES] = { FALSE, FALSE, FALSE, TRUE, FALSE, FALSE, TRUE, TRUE };
typedef struct _mc6845_t mc6845_t;
@ -169,7 +172,8 @@ INLINE mc6845_t *get_safe_token(running_device *device)
(device->type() == R6545_1) ||
(device->type() == H46505) ||
(device->type() == HD6845) ||
(device->type() == SY6545_1));
(device->type() == SY6545_1) ||
(device->type() == SY6845E));
return (mc6845_t *)downcast<legacy_device_base *>(device)->token();
}
@ -982,6 +986,11 @@ static DEVICE_START( sy6545_1 )
common_start(device, TYPE_SY6545_1);
}
static DEVICE_START( sy6845e )
{
common_start(device, TYPE_SY6845E);
}
static DEVICE_RESET( mc6845 )
{
@ -1062,7 +1071,7 @@ DEVICE_GET_INFO( mc6845_1 )
switch (state)
{
/* --- the following bits of info are returned as NULL-terminated strings --- */
case DEVINFO_STR_NAME: strcpy(info->s, "Motorla 6845-1"); break;
case DEVINFO_STR_NAME: strcpy(info->s, "Motorola 6845-1"); break;
/* --- the following bits of info are returned as pointers to data or functions --- */
case DEVINFO_FCT_START: info->start = DEVICE_START_NAME(mc6845_1); break;
@ -1147,6 +1156,20 @@ DEVICE_GET_INFO( sy6545_1 )
}
DEVICE_GET_INFO( sy6845e )
{
switch (state)
{
/* --- the following bits of info are returned as NULL-terminated strings --- */
case DEVINFO_STR_NAME: strcpy(info->s, "Synertek 6845E"); break;
/* --- the following bits of info are returned as pointers to data or functions --- */
case DEVINFO_FCT_START: info->start = DEVICE_START_NAME(sy6845e); break;
default: DEVICE_GET_INFO_CALL(mc6845); break;
}
}
DEFINE_LEGACY_DEVICE(MC6845, mc6845);
DEFINE_LEGACY_DEVICE(MC6845_1, mc6845_1);
DEFINE_LEGACY_DEVICE(R6545_1, r6545_1);
@ -1154,3 +1177,4 @@ DEFINE_LEGACY_DEVICE(C6545_1, c6545_1);
DEFINE_LEGACY_DEVICE(H46505, h46505);
DEFINE_LEGACY_DEVICE(HD6845, hd6845);
DEFINE_LEGACY_DEVICE(SY6545_1, sy6545_1);
DEFINE_LEGACY_DEVICE(SY6845E, sy6845e);

1
src/emu/video/mc6845.h
View File

@ -19,6 +19,7 @@ DECLARE_LEGACY_DEVICE(C6545_1, c6545_1);
DECLARE_LEGACY_DEVICE(H46505, h46505);
DECLARE_LEGACY_DEVICE(HD6845, hd6845);
DECLARE_LEGACY_DEVICE(SY6545_1, sy6545_1);
DECLARE_LEGACY_DEVICE(SY6845E, sy6845e);
#define MDRV_MC6845_ADD(_tag, _variant, _clock, _config) \