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Diffstat (limited to 'src/mame/ussr/bk_m.cpp')
-rw-r--r--src/mame/ussr/bk_m.cpp9
1 files changed, 5 insertions, 4 deletions
diff --git a/src/mame/ussr/bk_m.cpp b/src/mame/ussr/bk_m.cpp
index d2abe2b52c4..7318c9a8818 100644
--- a/src/mame/ussr/bk_m.cpp
+++ b/src/mame/ussr/bk_m.cpp
@@ -42,6 +42,7 @@ void bk_state::reset_w(int state)
m_kbd->reset();
m_timer->init_w();
m_qbus->init_w();
+ m_up->init_w();
}
}
@@ -53,12 +54,12 @@ uint16_t bk_state::vid_scroll_r()
// SEL1 register (0010 and 0010.01)
//
// 15-8 R high byte of cpu start address
-// 7 R bitbanger cts in
+// 7 R bitbanger cts in (always 1 without mod)
// 7 W cassette motor control, 1: off 0: on
// 6 R keyboard any key down, 1: no 0: yes
// 6 W cassette data and speaker out
// 5 R cassette data in
-// 5 W cassette data and bitbanger rts out
+// 5 W cassette data and bitbanger rts out (with mod)
// 4 R bitbanger rx
// 4 W bitbanger tx
// 2 R updated
@@ -68,7 +69,7 @@ uint16_t bk_state::vid_scroll_r()
uint16_t bk_state::sel1_r()
{
double level = m_cassette->input();
- uint16_t data = 0100000 | m_sel1 | ((level > 0) ? SEL1_RX_CAS : 0);
+ uint16_t data = 0100000 | SEL1_RDY_SER | m_sel1 | ((level > 0) ? SEL1_RX_CAS : 0);
if (!machine().side_effects_disabled())
m_sel1 &= ~SEL1_UPDATED;
@@ -85,7 +86,7 @@ uint16_t bk_state::trap_r()
uint16_t bk_state::bk11_sel1_r()
{
double level = m_cassette->input();
- uint16_t data = 0140200 | m_sel1 | ((level > 0) ? SEL1_RX_CAS : 0);
+ uint16_t data = 0140000 | SEL1_RDY_SER | m_sel1 | ((level > 0) ? SEL1_RX_CAS : 0);
if (!machine().side_effects_disabled())
m_sel1 &= ~SEL1_UPDATED;