diff options
author | AJR <ajrhacker@users.noreply.github.com> | 2020-03-16 09:30:49 -0400 |
---|---|---|
committer | AJR <ajrhacker@users.noreply.github.com> | 2020-03-16 09:31:01 -0400 |
commit | b5a63a8e557a048e75556710bf25013b57dcb675 (patch) | |
tree | d84e9641fbac7736ed8ae86f657ce01e9f804aee /src/devices/cpu/m6800/m6801.h | |
parent | e302ab780a35c896834163a4618385d6a3ec28c6 (diff) |
Add second timer output comparator and associated status register to the HD6301X and HD6301Y
Diffstat (limited to 'src/devices/cpu/m6800/m6801.h')
-rw-r--r-- | src/devices/cpu/m6800/m6801.h | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/src/devices/cpu/m6800/m6801.h b/src/devices/cpu/m6800/m6801.h index af911a48842..b9d65bb9d02 100644 --- a/src/devices/cpu/m6800/m6801.h +++ b/src/devices/cpu/m6800/m6801.h @@ -166,7 +166,10 @@ protected: virtual void EAT_CYCLES() override; virtual void CLEANUP_COUNTERS() override; - void check_timer_event(); + virtual void modified_tcsr(); + virtual void set_timer_event(); + virtual void modified_counters(); + virtual void check_timer_event(); void set_rmcr(uint8_t data); virtual void write_port2(); int m6800_rx(); @@ -274,11 +277,29 @@ protected: uint8_t p7_data_r(); void p7_data_w(uint8_t data); + uint8_t tcsr2_r(); + void tcsr2_w(uint8_t data); + uint8_t ocr2h_r(); + void ocr2h_w(uint8_t data); + uint8_t ocr2l_r(); + void ocr2l_w(uint8_t data); + + virtual void m6800_check_irq2() override; + virtual void modified_tcsr() override; + virtual void set_timer_event() override; + virtual void modified_counters() override; + virtual void check_timer_event() override; + virtual void CLEANUP_COUNTERS() override; + devcb_read8::array<2> m_in_portx_func; devcb_write8::array<3> m_out_portx_func; uint8_t m_portx_ddr[2]; uint8_t m_portx_data[3]; + + uint8_t m_tcsr2; + uint8_t m_pending_tcsr2; + PAIR m_output_compare2; }; |