// license:BSD-3-Clause // copyright-holders:Curt Coder /********************************************************************** MOS Technology 6529 Single Port Interface Adapter emulation ********************************************************************** _____ _____ R/W 1 |* \_/ | 20 Vdd P0 2 | | 19 _CS P1 3 | | 18 D0 P2 4 | | 17 D1 P3 5 | MOS6529 | 16 D2 P4 6 | | 15 D3 P5 7 | | 14 D4 P6 8 | | 13 D5 P7 9 | | 12 D6 Vss 10 |_____________| 11 D7 **********************************************************************/ #pragma once #ifndef __MOS6529__ #define __MOS6529__ //************************************************************************** // INTERFACE CONFIGURATION MACROS //************************************************************************** #define MCFG_MOS6529_P0_HANDLER(_devcb) \ devcb = &mos6529_device::set_p0_handler(*device, DEVCB_##_devcb); #define MCFG_MOS6529_P1_HANDLER(_devcb) \ devcb = &mos6529_device::set_p1_handler(*device, DEVCB_##_devcb); #define MCFG_MOS6529_P2_HANDLER(_devcb) \ devcb = &mos6529_device::set_p2_handler(*device, DEVCB_##_devcb); #define MCFG_MOS6529_P3_HANDLER(_devcb) \ devcb = &mos6529_device::set_p3_handler(*device, DEVCB_##_devcb); #define MCFG_MOS6529_P4_HANDLER(_devcb) \ devcb = &mos6529_device::set_p4_handler(*device, DEVCB_##_devcb); #define MCFG_MOS6529_P5_HANDLER(_devcb) \ devcb = &mos6529_device::set_p5_handler(*device, DEVCB_##_devcb); #define MCFG_MOS6529_P6_HANDLER(_devcb) \ devcb = &mos6529_device::set_p6_handler(*device, DEVCB_##_devcb); #define MCFG_MOS6529_P7_HANDLER(_devcb) \ devcb = &mos6529_device::set_p7_handler(*device, DEVCB_##_devcb); //************************************************************************** // TYPE DEFINITIONS //************************************************************************** // ======================> mos6529_device class mos6529_device : public device_t { public: // construction/destruction mos6529_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); template static devcb_base &set_p0_handler(device_t &device, _Object object) { return downcast(device).m_p0_handler.set_callback(object); } template static devcb_base &set_p1_handler(device_t &device, _Object object) { return downcast(device).m_p1_handler.set_callback(object); } template static devcb_base &set_p2_handler(device_t &device, _Object object) { return downcast(device).m_p2_handler.set_callback(object); } template static devcb_base &set_p3_handler(device_t &device, _Object object) { return downcast(device).m_p3_handler.set_callback(object); } template static devcb_base &set_p4_handler(device_t &device, _Object object) { return downcast(device).m_p4_handler.set_callback(object); } template static devcb_base &set_p5_handler(device_t &device, _Object object) { return downcast(device).m_p5_handler.set_callback(object); } template static devcb_base &set_p6_handler(device_t &device, _Object object) { return downcast(device).m_p6_handler.set_callback(object); } template static devcb_base &set_p7_handler(device_t &device, _Object object) { return downcast(device).m_p7_handler.set_callback(object); } DECLARE_READ8_MEMBER( read ); DECLARE_WRITE8_MEMBER( write ); DECLARE_WRITE_LINE_MEMBER( write_p0 ) { if (state) m_input |= 1; else m_input &= ~1; } DECLARE_WRITE_LINE_MEMBER( write_p1 ) { if (state) m_input |= 2; else m_input &= ~2; } DECLARE_WRITE_LINE_MEMBER( write_p2 ) { if (state) m_input |= 4; else m_input &= ~4; } DECLARE_WRITE_LINE_MEMBER( write_p3 ) { if (state) m_input |= 8; else m_input &= ~8; } DECLARE_WRITE_LINE_MEMBER( write_p4 ) { if (state) m_input |= 16; else m_input &= ~16; } DECLARE_WRITE_LINE_MEMBER( write_p5 ) { if (state) m_input |= 32; else m_input &= ~32; } DECLARE_WRITE_LINE_MEMBER( write_p6 ) { if (state) m_input |= 64; else m_input &= ~64; } DECLARE_WRITE_LINE_MEMBER( write_p7 ) { if (state) m_input |= 128; else m_input &= ~128; } protected: // device-level overrides virtual void device_start() override; uint8_t m_input; devcb_write_line m_p0_handler; devcb_write_line m_p1_handler; devcb_write_line m_p2_handler; devcb_write_line m_p3_handler; devcb_write_line m_p4_handler; devcb_write_line m_p5_handler; devcb_write_line m_p6_handler; devcb_write_line m_p7_handler; }; // device type definition extern const device_type MOS6529; #endif