Sprinter/mame
2
0
Fork 0
mirror of https://github.com/holub/mame synced 2025-04-22 16:31:49 +03:00
Code Issues Actions Packages Projects Releases Wiki Activity

scn2674: Fix line counter desyncing in pcx (nw)

Browse Source
This commit is contained in:
AJR 2019-02-10 23:06:40 -05:00
parent 3d9afa481f
commit d675f94dc1
1 changed files with 7 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
src/devices/video/scn2674.cpp
View File

@ -728,6 +728,9 @@ void scn2674_device::write_delayed_command(uint8_t data)
case 0xbb:
// write from cursor address to pointer address
// TODO: transfer only during blank
m_display_enabled = false;
m_display_enabled_field = true;
m_display_enabled_scanline = false;
for (i = m_cursor_address; i != m_screen2_address; i = ((i + 1) & 0xffff))
{
m_char_space->write_byte(i, m_char_buffer);
@ -780,7 +783,6 @@ void scn2674_device::write_command(uint8_t data)
m_IR_pointer = 0;
m_irq_register = 0x00;
m_status_register = 0x20; // RDFLG activated
m_linecounter = 0;
m_irq_mask = 0x00;
m_gfx_enabled = false;
m_display_enabled = false;
@ -788,6 +790,10 @@ void scn2674_device::write_command(uint8_t data)
m_cursor_enabled = false;
m_use_row_table = false;
m_intr_cb(CLEAR_LINE);
m_breq_cb(CLEAR_LINE);
m_mbc_cb(0);
m_breq_timer->adjust(attotime::never);
m_vblank_timer->adjust(attotime::never);
}
else
{