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-rw-r--r--src/devices/cpu/vt50/vt50.h7
1 files changed, 6 insertions, 1 deletions
diff --git a/src/devices/cpu/vt50/vt50.h b/src/devices/cpu/vt50/vt50.h
index 81c49358f70..6212874b496 100644
--- a/src/devices/cpu/vt50/vt50.h
+++ b/src/devices/cpu/vt50/vt50.h
@@ -56,6 +56,7 @@ protected:
void execute_tw(u8 inst);
virtual void execute_th(u8 inst);
void execute_tj(u8 dest);
+ void clock_video_counters();
// address spaces
address_space_config m_rom_config;
@@ -101,8 +102,12 @@ protected:
bool m_m2u_ff;
bool m_bell_ff;
bool m_load_pc;
- bool m_qa_e23;
s32 m_icount;
+
+ // video timing
+ u8 m_horiz_count;
+ u16 m_vert_count;
+ bool m_top_of_screen;
};
class vt50_cpu_device : public vt5x_cpu_device