diff options
Diffstat (limited to 'src/emu/video/mc6847.h')
-rw-r--r-- | src/emu/video/mc6847.h | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/src/emu/video/mc6847.h b/src/emu/video/mc6847.h index b8251a1f89d..63f84873194 100644 --- a/src/emu/video/mc6847.h +++ b/src/emu/video/mc6847.h @@ -37,6 +37,14 @@ MCFG_SCREEN_SIZE(320, 243) \ MCFG_SCREEN_VISIBLE_AREA(0, 320-1, 1, 241-1) \ MCFG_SCREEN_VBLANK_TIME(0) + +#define MCFG_MC6847_HSYNC_CALLBACK(_write) \ + devcb = &mc6847_friend_device::set_hsync_wr_callback(*device, DEVCB2_##_write); + +#define MCFG_MC6847_FSYNC_CALLBACK(_write) \ + devcb = &mc6847_friend_device::set_fsync_wr_callback(*device, DEVCB2_##_write); + + /* interface */ struct mc6847_interface { @@ -46,12 +54,6 @@ struct mc6847_interface /* if specified, this gets called whenever reading a byte (offs_t ~0 specifies DA* entering the tristate mode) */ devcb_read8 m_input_func; - /* if specified, this gets called for every change of the HS pin (pin 38) */ - devcb_write_line m_out_hsync_func; - - /* if specified, this gets called for every change of the FS pin (pin 37) */ - devcb_write_line m_out_fsync_func; - /* mode control lines input */ devcb_read_line m_in_ag_func; devcb_read_line m_in_gm2_func; @@ -86,6 +88,9 @@ public: bool hs_r(void) { return m_horizontal_sync; } bool fs_r(void) { return m_field_sync; } + template<class _Object> static devcb2_base &set_hsync_wr_callback(device_t &device, _Object object) { return downcast<mc6847_friend_device &>(device).m_write_hsync.set_callback(object); } + template<class _Object> static devcb2_base &set_fsync_wr_callback(device_t &device, _Object object) { return downcast<mc6847_friend_device &>(device).m_write_fsync.set_callback(object); } + protected: mc6847_friend_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const UINT8 *fontdata, bool is_mc6847t1, double tpfs, int field_sync_falling_edge_scanline, bool supports_partial_body_scanlines, const char *shortname, const char *source); @@ -266,8 +271,8 @@ protected: }; // callbacks - devcb_resolved_write_line m_res_out_hsync_func; - devcb_resolved_write_line m_res_out_fsync_func; + devcb2_write_line m_write_hsync; + devcb2_write_line m_write_fsync; // incidentals character_map m_character_map; |