diff options
Diffstat (limited to 'src/mess/video/mc6847.c')
-rw-r--r-- | src/mess/video/mc6847.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/src/mess/video/mc6847.c b/src/mess/video/mc6847.c index a2c9349965b..54f1dd4e745 100644 --- a/src/mess/video/mc6847.c +++ b/src/mess/video/mc6847.c @@ -58,12 +58,12 @@ assuming that the extra text modes on the CoCo 2B are activated by the GM2-0 pins. This needs to be confirmed. - The MC6847 datasheet states that a scanline is 227.5 clock cycles, - but experimentation suggests that it is 228. The game "Dragon Fire" - has a fine tuned loop that runs in 57 clock cycles by the CPU's - reckoning (228 actual clock cycles) and would not function correctly - if skew existed. SockMaster has confirmed that scanlines are in - fact 228 clock cycles. + The MC6847 datasheet states that a scanline is 227.5 clock cycles, + but experimentation suggests that it is 228. The game "Dragon Fire" + has a fine tuned loop that runs in 57 clock cycles by the CPU's + reckoning (228 actual clock cycles) and would not function correctly + if skew existed. SockMaster has confirmed that scanlines are in + fact 228 clock cycles. **********************************************************************/ @@ -88,8 +88,8 @@ #define LOG_SCANLINE 0 #define LOG_HSYNC 0 #define LOG_FSYNC 1 -#define LOG_FLUSH 1 -#define LOG_INPUT 0 +#define LOG_FLUSH 1 +#define LOG_INPUT 0 const UINT32 mc6847_base_device::s_palette[mc6847_base_device::PALETTE_LENGTH] = @@ -127,7 +127,7 @@ const UINT32 mc6847_base_device::s_palette[mc6847_base_device::PALETTE_LENGTH] = mc6847_friend_device::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) : device_t(mconfig, type, name, tag, owner, clock), - m_character_map(fontdata, is_mc6847t1) + m_character_map(fontdata, is_mc6847t1) { m_tpfs = tpfs; m_supports_partial_body_scanlines = supports_partial_body_scanlines; |