summaryrefslogtreecommitdiffstatshomepage
path: root/src/devices/bus/nes/multigame.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/devices/bus/nes/multigame.h')
-rw-r--r--src/devices/bus/nes/multigame.h23
1 files changed, 23 insertions, 0 deletions
diff --git a/src/devices/bus/nes/multigame.h b/src/devices/bus/nes/multigame.h
index 54056689f5b..6dfbed4ee7e 100644
--- a/src/devices/bus/nes/multigame.h
+++ b/src/devices/bus/nes/multigame.h
@@ -672,6 +672,28 @@ private:
};
+// ======================> nes_bmc_420y2k_device
+
+class nes_bmc_420y2k_device : public nes_nrom_device
+{
+public:
+ // construction/destruction
+ nes_bmc_420y2k_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock);
+
+ virtual u8 read_h(offs_t offset) override;
+ virtual void write_h(offs_t offset, u8 data) override;
+
+ virtual void pcb_reset() override;
+
+protected:
+ // device-level overrides
+ virtual void device_start() override;
+
+private:
+ u8 m_latch, m_reg;
+};
+
+
// ======================> nes_bmc_12in1_device
class nes_bmc_12in1_device : public nes_nrom_device
@@ -1141,6 +1163,7 @@ DECLARE_DEVICE_TYPE(NES_BMC_S700, nes_bmc_s700_device)
DECLARE_DEVICE_TYPE(NES_BMC_BALL11, nes_bmc_ball11_device)
DECLARE_DEVICE_TYPE(NES_BMC_22GAMES, nes_bmc_22games_device)
DECLARE_DEVICE_TYPE(NES_BMC_64Y2K, nes_bmc_64y2k_device)
+DECLARE_DEVICE_TYPE(NES_BMC_420Y2K, nes_bmc_420y2k_device)
DECLARE_DEVICE_TYPE(NES_BMC_12IN1, nes_bmc_12in1_device)
DECLARE_DEVICE_TYPE(NES_BMC_20IN1, nes_bmc_20in1_device)
DECLARE_DEVICE_TYPE(NES_BMC_21IN1, nes_bmc_21in1_device)