diff options
Diffstat (limited to 'src/devices/bus/pet/hsg.h')
-rw-r--r-- | src/devices/bus/pet/hsg.h | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/src/devices/bus/pet/hsg.h b/src/devices/bus/pet/hsg.h new file mode 100644 index 00000000000..40345894063 --- /dev/null +++ b/src/devices/bus/pet/hsg.h @@ -0,0 +1,87 @@ +// license:BSD-3-Clause +// copyright-holders:Curt Coder +/********************************************************************** + + CBM 8000 High Speed Graphics (324402-01) card emulation + +**********************************************************************/ + +#pragma once + +#ifndef __CBM8000_HSG__ +#define __CBM8000_HSG__ + +#include "emu.h" +#include "exp.h" + + + +//************************************************************************** +// TYPE DEFINITIONS +//************************************************************************** + +// ======================> cbm8000_hsg_t + +class cbm8000_hsg_t : public device_t, + public device_pet_expansion_card_interface +{ +public: + // construction/destruction + cbm8000_hsg_t(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source); + cbm8000_hsg_t(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + + // optional information overrides + virtual const rom_entry *device_rom_region() const; + + // device_pet_expansion_card_interface overrides + virtual int pet_norom_r(address_space &space, offs_t offset, int sel); + virtual UINT8 pet_bd_r(address_space &space, offs_t offset, UINT8 data, int &sel); + virtual void pet_bd_w(address_space &space, offs_t offset, UINT8 data, int &sel); + + UINT32 screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect); + +protected: + // device-level overrides + virtual void device_start(); + virtual void device_reset(); + +private: + //required_device<ef9365_device> m_gdc; + required_memory_region m_9000; + required_memory_region m_a000; +}; + + +// ======================> cbm8000_hsg_a_t + +class cbm8000_hsg_a_t : public cbm8000_hsg_t +{ +public: + // construction/destruction + cbm8000_hsg_a_t(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + + // optional information overrides + virtual machine_config_constructor device_mconfig_additions() const; +}; + + +// ======================> cbm8000_hsg_b_t + +class cbm8000_hsg_b_t : public cbm8000_hsg_t +{ +public: + // construction/destruction + cbm8000_hsg_b_t(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + + // optional information overrides + virtual machine_config_constructor device_mconfig_additions() const; +}; + + +// device type definition +extern const device_type CBM8000_HSG_A; +extern const device_type CBM8000_HSG_B; + + + +#endif |