diff options
Diffstat (limited to 'src/devices/cpu/m6502/st2204.h')
-rw-r--r-- | src/devices/cpu/m6502/st2204.h | 45 |
1 files changed, 8 insertions, 37 deletions
diff --git a/src/devices/cpu/m6502/st2204.h b/src/devices/cpu/m6502/st2204.h index 63ef404ea48..fbc1f69563d 100644 --- a/src/devices/cpu/m6502/st2204.h +++ b/src/devices/cpu/m6502/st2204.h @@ -17,11 +17,8 @@ class st2204_device : public st2xxx_device { public: enum { - ST_BTEN = ST_LYMAX + 1, - ST_BTSR, - ST_DMS, - ST_DMD, - ST_DMR + ST_DMS = ST_LYMAX + 1, + ST_DMD }; st2204_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock); @@ -30,6 +27,12 @@ protected: virtual void device_start() override; virtual void device_reset() override; + virtual u16 st2xxx_ireq_mask() const override { return 0x0f7f; } + virtual const char *st2xxx_irq_name(int i) const override; + virtual unsigned st2xxx_bt_divider(int n) const override; + virtual u8 st2xxx_sys_mask() const override { return 0xff; } + virtual bool st2xxx_has_dma() const override { return true; } + private: class mi_st2204 : public mi_st2xxx { public: @@ -46,34 +49,10 @@ private: u8 dread(u16 adr); u8 dreadc(u16 adr); void dwrite(u16 adr, u8 val); - - bool irr_enable; - u8 irr; - u16 prr; - u16 drr; - u16 dmr; }; - template<int N> TIMER_CALLBACK_MEMBER(bt_interrupt); - - u8 sys_r(); - void sys_w(u8 data); - u8 irr_r(); - void irr_w(u8 data); - u8 prrl_r(); - void prrl_w(u8 data); - u8 prrh_r(); - void prrh_w(u8 data); - u8 drrl_r(); - void drrl_w(u8 data); - u8 drrh_r(); - void drrh_w(u8 data); u8 pmcr_r(); void pmcr_w(u8 data); - u8 bten_r(); - void bten_w(u8 data); - u8 btsr_r(); - void btsr_w(u8 data); u8 dmsl_r(); void dmsl_w(u8 data); u8 dmsh_r(); @@ -84,10 +63,6 @@ private: void dmdh_w(u8 data); void dcntl_w(u8 data); void dcnth_w(u8 data); - u8 dmrl_r(); - void dmrl_w(u8 data); - u8 dmrh_r(); - void dmrh_w(u8 data); u8 pmem_r(offs_t offset); void pmem_w(offs_t offset, u8 data); @@ -96,10 +71,6 @@ private: void int_map(address_map &map); - u8 m_bten; - u8 m_btsr; - emu_timer *m_base_timer[5]; - u16 m_dms; u16 m_dmd; u8 m_dcnth; |