Sprinter/mame
2
0
Fork 0
mirror of https://github.com/holub/mame synced 2025-06-13 16:15:32 +03:00
Code Issues Actions 1 Packages Projects Releases Wiki Activity

mos8520: tod is not latched when CRB_ALARM is set

Browse Source
This commit is contained in:
Dirk Best 2025-02-13 13:12:52 +01:00
parent 19162d83e1
commit 361e11b3a7
1 changed files with 3 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
src/devices/machine/mos6526.cpp
View File

@ -926,7 +926,9 @@ uint8_t mos8520_device::read(offs_t offset)
switch (offset & 0x0f) switch (offset & 0x0f)
{ {
case TOD_MIN: case TOD_MIN:
if (!m_tod_latched) // tod is not latched when CRB_ALARM is set
// test case: amigaocs_flop:batman1
if (!m_tod_latched && !CRB_ALARM)
{ {
m_tod_latched = true; m_tod_latched = true;
m_tod_latch = m_tod; m_tod_latch = m_tod;