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Added HD6345 CRTC-II variant to mc6845.c. [Curt Coder]

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This commit is contained in:
Curt Coder 2011-05-29 12:06:32 +00:00
parent af26ffda0c
commit bcf1c3856c
2 changed files with 39 additions and 7 deletions
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34
src/emu/video/mc6845.c
View File

@ -38,6 +38,7 @@ const device_type H46505 = &device_creator<h46505_device>;
const device_type HD6845 = &device_creator<hd6845_device>;
const device_type SY6545_1 = &device_creator<sy6545_1_device>;
const device_type SY6845E = &device_creator<sy6845e_device>;
const device_type HD6345 = &device_creator<hd6345_device>;
/* mode macros */
@ -935,6 +936,19 @@ void sy6845e_device::device_start()
}
void hd6345_device::device_start()
{
mc6845_device::device_start();
m_supports_disp_start_addr_r = true;
m_supports_vert_sync_width = true;
m_supports_status_reg_d5 = true;
m_supports_status_reg_d6 = true;
m_supports_status_reg_d7 = true;
m_supports_transparent = true;
}
void mc6845_device::device_reset()
{
/* internal registers other than status remain unchanged, all outputs go low */
@ -968,46 +982,52 @@ void hd6845_device::device_reset() { mc6845_device::device_reset(); }
void c6545_1_device::device_reset() { mc6845_device::device_reset(); }
void sy6545_1_device::device_reset() { mc6845_device::device_reset(); }
void sy6845e_device::device_reset() { mc6845_device::device_reset(); }
void hd6345_device::device_reset() { mc6845_device::device_reset(); }
r6545_1_device::r6545_1_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
: mc6845_device(mconfig, R6545_1, "r6545_1", tag, owner, clock)
: mc6845_device(mconfig, R6545_1, "R6545-1", tag, owner, clock)
{
}
h46505_device::h46505_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
: mc6845_device(mconfig, H46505, "h46505", tag, owner, clock)
: mc6845_device(mconfig, H46505, "H46505", tag, owner, clock)
{
}
mc6845_1_device::mc6845_1_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
: mc6845_device(mconfig, MC6845_1, "mc6845_1", tag, owner, clock)
: mc6845_device(mconfig, MC6845_1, "MC6845-1", tag, owner, clock)
{
}
hd6845_device::hd6845_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
: mc6845_device(mconfig, HD6845, "hd6845", tag, owner, clock)
: mc6845_device(mconfig, HD6845, "HD6845", tag, owner, clock)
{
}
c6545_1_device::c6545_1_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
: mc6845_device(mconfig, C6545_1, "c6545_1", tag, owner, clock)
: mc6845_device(mconfig, C6545_1, "C6545-1", tag, owner, clock)
{
}
sy6545_1_device::sy6545_1_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
: mc6845_device(mconfig, SY6545_1, "sy6545_1", tag, owner, clock)
: mc6845_device(mconfig, SY6545_1, "SY6545-1", tag, owner, clock)
{
}
sy6845e_device::sy6845e_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
: mc6845_device(mconfig, SY6845E, "sy6845e", tag, owner, clock)
: mc6845_device(mconfig, SY6845E, "SY6845E", tag, owner, clock)
{
}
hd6345_device::hd6345_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
: mc6845_device(mconfig, HD6345, "HD6345", tag, owner, clock)
{
}

12
src/emu/video/mc6845.h
View File

@ -98,6 +98,7 @@ class mc6845_device : public device_t,
friend class hd6845_device;
friend class sy6545_1_device;
friend class sy6845e_device;
friend class hd6345_device;
public:
@ -325,6 +326,16 @@ protected:
virtual void device_reset();
};
class hd6345_device : public mc6845_device
{
public:
hd6345_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
protected:
virtual void device_start();
virtual void device_reset();
};
extern const device_type MC6845;
extern const device_type MC6845_1;
@ -334,6 +345,7 @@ extern const device_type H46505;
extern const device_type HD6845;
extern const device_type SY6545_1;
extern const device_type SY6845E;
extern const device_type HD6345;
#endif