summaryrefslogtreecommitdiffstatshomepage
path: root/src/devices/bus/nes/tengen.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/devices/bus/nes/tengen.h')
-rw-r--r--src/devices/bus/nes/tengen.h56
1 files changed, 18 insertions, 38 deletions
diff --git a/src/devices/bus/nes/tengen.h b/src/devices/bus/nes/tengen.h
index 6d651339f86..d5dbec1e88b 100644
--- a/src/devices/bus/nes/tengen.h
+++ b/src/devices/bus/nes/tengen.h
@@ -6,60 +6,42 @@
#include "nxrom.h"
-// ======================> nes_tengen008_device
-
-class nes_tengen008_device : public nes_nrom_device
-{
-public:
- // construction/destruction
- nes_tengen008_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
-
- virtual void write_h(offs_t offset, uint8_t data) override;
-
- virtual void pcb_reset() override;
-
-protected:
- // device-level overrides
- virtual void device_start() override;
-};
-
-
// ======================> nes_tengen032_device
class nes_tengen032_device : public nes_nrom_device
{
public:
// construction/destruction
- nes_tengen032_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
+ nes_tengen032_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock);
- void tengen032_write(offs_t offset, uint8_t data);
- virtual void write_h(offs_t offset, uint8_t data) override { tengen032_write(offset, data); }
+ virtual void write_h(offs_t offset, u8 data) override;
- virtual void hblank_irq(int scanline, int vblank, int blanked) override;
+ virtual void hblank_irq(int scanline, bool vblank, bool blanked) override;
virtual void pcb_reset() override;
protected:
- nes_tengen032_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock);
+ nes_tengen032_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, u32 clock);
// device-level overrides
virtual void device_start() override;
- virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override;
- virtual void chr_cb(int start, int bank, int source);
+ virtual void set_chr();
+
+ TIMER_CALLBACK_MEMBER(irq_timer_tick);
+
+ u8 m_latch;
+ u8 m_mmc_vrom_bank[8];
+private:
void set_prg();
- void set_chr();
void irq_clock(int blanked);
- uint16_t m_irq_count, m_irq_count_latch;
- uint8_t m_irq_mode, m_irq_reset;
- int m_irq_enable;
+ u16 m_irq_count, m_irq_count_latch;
+ u8 m_irq_mode, m_irq_reset;
+ u8 m_irq_enable, m_irq_pending;
- uint8_t m_latch;
- uint8_t m_mmc_prg_bank[3];
- uint8_t m_mmc_vrom_bank[8];
+ u8 m_mmc_prg_bank[3];
- static const device_timer_id TIMER_IRQ = 0;
emu_timer *irq_timer;
attotime timer_freq;
};
@@ -71,19 +53,17 @@ class nes_tengen037_device : public nes_tengen032_device
{
public:
// construction/destruction
- nes_tengen037_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
+ nes_tengen037_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock);
// device-level overrides
- virtual void write_h(offs_t offset, uint8_t data) override;
- virtual void chr_cb(int start, int bank, int source) override;
+ virtual void write_h(offs_t offset, u8 data) override;
protected:
- void set_mirror();
+ virtual void set_chr() override;
};
// device type definition
-DECLARE_DEVICE_TYPE(NES_TENGEN_800008, nes_tengen008_device)
DECLARE_DEVICE_TYPE(NES_TENGEN_800032, nes_tengen032_device)
DECLARE_DEVICE_TYPE(NES_TENGEN_800037, nes_tengen037_device)