diff options
Diffstat (limited to 'src/devices/bus/intv/rom.h')
-rw-r--r-- | src/devices/bus/intv/rom.h | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/src/devices/bus/intv/rom.h b/src/devices/bus/intv/rom.h new file mode 100644 index 00000000000..15a66e10817 --- /dev/null +++ b/src/devices/bus/intv/rom.h @@ -0,0 +1,84 @@ +// license:BSD-3-Clause +// copyright-holders:Fabio Priuli +#ifndef __INTV_ROM_H +#define __INTV_ROM_H + +#include "slot.h" + + +// ======================> intv_rom_device + +class intv_rom_device : public device_t, + public device_intv_cart_interface +{ +public: + // construction/destruction + intv_rom_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source); + intv_rom_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + + // reading and writing + virtual DECLARE_READ16_MEMBER(read_rom04) { return INTV_ROM16_READ(offset + 0x0400); } + virtual DECLARE_READ16_MEMBER(read_rom20) { return INTV_ROM16_READ(offset + 0x2000); } + virtual DECLARE_READ16_MEMBER(read_rom40) { return INTV_ROM16_READ(offset + 0x4000); } + virtual DECLARE_READ16_MEMBER(read_rom48) { return INTV_ROM16_READ(offset + 0x4800); } + virtual DECLARE_READ16_MEMBER(read_rom50) { return INTV_ROM16_READ(offset + 0x5000); } + virtual DECLARE_READ16_MEMBER(read_rom60) { return INTV_ROM16_READ(offset + 0x6000); } + virtual DECLARE_READ16_MEMBER(read_rom70) { return INTV_ROM16_READ(offset + 0x7000); } + virtual DECLARE_READ16_MEMBER(read_rom80) { return INTV_ROM16_READ(offset + 0x8000); } + virtual DECLARE_READ16_MEMBER(read_rom90) { return INTV_ROM16_READ(offset + 0x9000); } + virtual DECLARE_READ16_MEMBER(read_roma0) { return INTV_ROM16_READ(offset + 0xa000); } + virtual DECLARE_READ16_MEMBER(read_romb0) { return INTV_ROM16_READ(offset + 0xb000); } + virtual DECLARE_READ16_MEMBER(read_romc0) { return INTV_ROM16_READ(offset + 0xc000); } + virtual DECLARE_READ16_MEMBER(read_romd0) { return INTV_ROM16_READ(offset + 0xd000); } + virtual DECLARE_READ16_MEMBER(read_rome0) { return INTV_ROM16_READ(offset + 0xe000); } + virtual DECLARE_READ16_MEMBER(read_romf0) { return INTV_ROM16_READ(offset + 0xf000); } + + // device-level overrides + virtual void device_start() {} + virtual void device_reset() {} +}; + +// ======================> intv_ram_device + +class intv_ram_device : public intv_rom_device +{ +public: + // construction/destruction + intv_ram_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + + // reading and writing + virtual DECLARE_READ16_MEMBER(read_ram) { return (int)m_ram[offset & (m_ram.size() - 1)]; } + virtual DECLARE_WRITE16_MEMBER(write_ram) { m_ram[offset & (m_ram.size() - 1)] = data & 0xff; } +}; + +// ======================> intv_gfact_device + +class intv_gfact_device : public intv_rom_device +{ +public: + // construction/destruction + intv_gfact_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + + // reading and writing + virtual DECLARE_READ16_MEMBER(read_ram) { return (int)m_ram[offset & (m_ram.size() - 1)]; } + virtual DECLARE_WRITE16_MEMBER(write_ram) { m_ram[offset & (m_ram.size() - 1)] = data & 0xff; } +}; + +// ======================> intv_wsmlb_device + +class intv_wsmlb_device : public intv_rom_device +{ +public: + // construction/destruction + intv_wsmlb_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); +}; + + + +// device type definition +extern const device_type INTV_ROM_STD; +extern const device_type INTV_ROM_RAM; +extern const device_type INTV_ROM_GFACT; +extern const device_type INTV_ROM_WSMLB; + +#endif |