// license:BSD-3-Clause // copyright-holders:Barry Rodewald /* * wd7600.h * * Created on: 5/05/2014 */ #ifndef WD7600_H_ #define WD7600_H_ #include "emu.h" #include "machine/am9517a.h" #include "machine/pic8259.h" #include "machine/pit8253.h" #include "machine/ds128x.h" #include "machine/at_keybc.h" #include "machine/ram.h" #define MCFG_WD7600_ADD(_tag, _clock, _cputag, _isatag, _biostag, _keybctag) \ MCFG_DEVICE_ADD(_tag, WD7600, _clock) \ wd7600_device::static_set_cputag(*device, _cputag); \ wd7600_device::static_set_isatag(*device, _isatag); \ wd7600_device::static_set_biostag(*device, _biostag); \ wd7600_device::static_set_keybctag(*device, _keybctag); #define MCFG_WD7600_IOR(_ior) \ downcast(device)->set_ior_callback(DEVCB_##_ior); #define MCFG_WD7600_IOW(_iow) \ downcast(device)->set_iow_callback(DEVCB_##_iow); #define MCFG_WD7600_TC(_tc) \ downcast(device)->set_tc_callback(DEVCB_##_tc); #define MCFG_WD7600_HOLD(_hold) \ downcast(device)->set_hold_callback(DEVCB_##_hold); #define MCFG_WD7600_NMI(_nmi) \ downcast(device)->set_nmi_callback(DEVCB_##_nmi); #define MCFG_WD7600_INTR(_intr) \ downcast(device)->set_intr_callback(DEVCB_##_intr); #define MCFG_WD7600_CPURESET(_cpureset) \ downcast(device)->set_cpureset_callback(DEVCB_##_cpureset); #define MCFG_WD7600_A20M(_a20m) \ downcast(device)->set_a20m_callback(DEVCB_##_a20m); #define MCFG_WD7600_SPKR(_spkr) \ downcast(device)->set_spkr_callback(DEVCB_##_spkr); //************************************************************************** // TYPE DEFINITIONS //************************************************************************** // ======================> wd7600_device class wd7600_device : public device_t { public: // construction/destruction wd7600_device(const machine_config &mconfig, std::string tag, device_t *owner, UINT32 clock); // optional information overrides virtual machine_config_constructor device_mconfig_additions() const override; // callbacks template void set_ior_callback(_ior ior) { m_read_ior.set_callback(ior); } template void set_iow_callback(_iow iow) { m_write_iow.set_callback(iow); } template void set_tc_callback(_tc tc) { m_write_tc.set_callback(tc); } template void set_hold_callback(_hold hold) { m_write_hold.set_callback(hold); } template void set_cpureset_callback(_cpureset cpureset) { m_write_cpureset.set_callback(cpureset); } template void set_nmi_callback(_nmi nmi) { m_write_nmi.set_callback(nmi); } template void set_intr_callback(_intr intr) { m_write_intr.set_callback(intr); } template void set_a20m_callback(_a20m a20m) { m_write_a20m.set_callback(a20m); } template void set_spkr_callback(_spkr spkr) { m_write_spkr.set_callback(spkr); } // inline configuration static void static_set_cputag(device_t &device, std::string tag); static void static_set_isatag(device_t &device, std::string tag); static void static_set_biostag(device_t &device, std::string tag); static void static_set_keybctag(device_t &device, std::string tag); DECLARE_WRITE_LINE_MEMBER(rtc_irq_w); DECLARE_WRITE_LINE_MEMBER( pic1_int_w ) { m_write_intr(state); } DECLARE_READ8_MEMBER( pic1_slave_ack_r ); DECLARE_WRITE_LINE_MEMBER( ctc_out1_w ); DECLARE_WRITE_LINE_MEMBER( ctc_out2_w ); DECLARE_WRITE8_MEMBER( rtc_w ); DECLARE_WRITE8_MEMBER( keyb_cmd_w ); DECLARE_WRITE8_MEMBER( keyb_data_w ); DECLARE_READ8_MEMBER( keyb_data_r ); DECLARE_READ8_MEMBER( keyb_status_r ); DECLARE_WRITE8_MEMBER( a20_reset_w ); DECLARE_READ8_MEMBER( a20_reset_r ); DECLARE_READ8_MEMBER( portb_r ); DECLARE_WRITE8_MEMBER( portb_w ); DECLARE_WRITE8_MEMBER( dma_page_w ) { m_dma_page[offset & 0x0f] = data; } DECLARE_READ8_MEMBER( dma_page_r ) { return m_dma_page[offset & 0x0f]; } DECLARE_READ8_MEMBER( dma_read_byte ); DECLARE_WRITE8_MEMBER( dma_write_byte ); DECLARE_READ8_MEMBER( dma_read_word ); DECLARE_WRITE8_MEMBER( dma_write_word ); DECLARE_WRITE_LINE_MEMBER( dma1_eop_w ); DECLARE_READ8_MEMBER( dma1_ior0_r ) { return m_read_ior(0); } DECLARE_READ8_MEMBER( dma1_ior1_r ) { return m_read_ior(1); } DECLARE_READ8_MEMBER( dma1_ior2_r ) { return m_read_ior(2); } DECLARE_READ8_MEMBER( dma1_ior3_r ) { return m_read_ior(3); } DECLARE_READ8_MEMBER( dma2_ior1_r ) { UINT16 result = m_read_ior(5); m_dma_high_byte = result >> 8; return result; } DECLARE_READ8_MEMBER( dma2_ior2_r ) { UINT16 result = m_read_ior(6); m_dma_high_byte = result >> 8; return result; } DECLARE_READ8_MEMBER( dma2_ior3_r ) { UINT16 result = m_read_ior(7); m_dma_high_byte = result >> 8; return result; } DECLARE_WRITE8_MEMBER( dma1_iow0_w ) { m_write_iow(0, data, 0xffff); } DECLARE_WRITE8_MEMBER( dma1_iow1_w ) { m_write_iow(1, data, 0xffff); } DECLARE_WRITE8_MEMBER( dma1_iow2_w ) { m_write_iow(2, data, 0xffff); } DECLARE_WRITE8_MEMBER( dma1_iow3_w ) { m_write_iow(3, data, 0xffff); } DECLARE_WRITE8_MEMBER( dma2_iow1_w ) { m_write_iow(5, (m_dma_high_byte << 8) | data, 0xffff); } DECLARE_WRITE8_MEMBER( dma2_iow2_w ) { m_write_iow(6, (m_dma_high_byte << 8) | data, 0xffff); } DECLARE_WRITE8_MEMBER( dma2_iow3_w ) { m_write_iow(7, (m_dma_high_byte << 8) | data, 0xffff); } DECLARE_WRITE_LINE_MEMBER( dma1_dack0_w ) { set_dma_channel(0, state); } DECLARE_WRITE_LINE_MEMBER( dma1_dack1_w ) { set_dma_channel(1, state); } DECLARE_WRITE_LINE_MEMBER( dma1_dack2_w ) { set_dma_channel(2, state); } DECLARE_WRITE_LINE_MEMBER( dma1_dack3_w ) { set_dma_channel(3, state); } DECLARE_WRITE_LINE_MEMBER( dma2_dack0_w ); DECLARE_WRITE_LINE_MEMBER( dma2_dack1_w ) { set_dma_channel(5, state); } DECLARE_WRITE_LINE_MEMBER( dma2_dack2_w ) { set_dma_channel(6, state); } DECLARE_WRITE_LINE_MEMBER( dma2_dack3_w ) { set_dma_channel(7, state); } DECLARE_WRITE_LINE_MEMBER( dma2_hreq_w ) { m_write_hold(state); } // input lines DECLARE_WRITE_LINE_MEMBER( irq01_w ) { m_pic1->ir1_w(state); } DECLARE_WRITE_LINE_MEMBER( irq03_w ) { m_pic1->ir3_w(state); } DECLARE_WRITE_LINE_MEMBER( irq04_w ) { m_pic1->ir4_w(state); } DECLARE_WRITE_LINE_MEMBER( irq05_w ) { m_pic1->ir5_w(state); } DECLARE_WRITE_LINE_MEMBER( irq06_w ) { m_pic1->ir6_w(state); } DECLARE_WRITE_LINE_MEMBER( irq07_w ) { m_pic1->ir7_w(state); } DECLARE_WRITE_LINE_MEMBER( irq09_w ) { m_pic2->ir1_w(state); } DECLARE_WRITE_LINE_MEMBER( irq10_w ) { m_pic2->ir2_w(state); } DECLARE_WRITE_LINE_MEMBER( irq11_w ) { m_pic2->ir3_w(state); } DECLARE_WRITE_LINE_MEMBER( irq12_w ) { m_pic2->ir4_w(state); } DECLARE_WRITE_LINE_MEMBER( irq13_w ) { m_pic2->ir5_w(state); } // also FERR# DECLARE_WRITE_LINE_MEMBER( irq14_w ) { m_pic2->ir6_w(state); } DECLARE_WRITE_LINE_MEMBER( irq15_w ) { m_pic2->ir7_w(state); } DECLARE_WRITE_LINE_MEMBER( dreq0_w ) { m_dma1->dreq0_w(state); } DECLARE_WRITE_LINE_MEMBER( dreq1_w ) { m_dma1->dreq1_w(state); } DECLARE_WRITE_LINE_MEMBER( dreq2_w ) { m_dma1->dreq2_w(state); } DECLARE_WRITE_LINE_MEMBER( dreq3_w ) { m_dma1->dreq3_w(state); } DECLARE_WRITE_LINE_MEMBER( dreq5_w ) { m_dma2->dreq1_w(state); } DECLARE_WRITE_LINE_MEMBER( dreq6_w ) { m_dma2->dreq2_w(state); } DECLARE_WRITE_LINE_MEMBER( dreq7_w ) { m_dma2->dreq3_w(state); } DECLARE_WRITE_LINE_MEMBER( hlda_w ) { m_dma2->hack_w(state); } DECLARE_WRITE_LINE_MEMBER( iochck_w ); DECLARE_WRITE_LINE_MEMBER( gatea20_w ); DECLARE_WRITE_LINE_MEMBER( kbrst_w ); DECLARE_READ16_MEMBER(refresh_r); DECLARE_WRITE16_MEMBER(refresh_w); DECLARE_READ16_MEMBER(chipsel_r); DECLARE_WRITE16_MEMBER(chipsel_w); DECLARE_READ16_MEMBER(mem_ctrl_r); DECLARE_WRITE16_MEMBER(mem_ctrl_w); DECLARE_READ16_MEMBER(bank_01_start_r); DECLARE_WRITE16_MEMBER(bank_01_start_w); DECLARE_READ16_MEMBER(bank_23_start_r); DECLARE_WRITE16_MEMBER(bank_23_start_w); DECLARE_READ16_MEMBER(split_addr_r); DECLARE_WRITE16_MEMBER(split_addr_w); DECLARE_READ16_MEMBER(diag_r); DECLARE_WRITE16_MEMBER(diag_w); IRQ_CALLBACK_MEMBER(intack_cb) { return m_pic1->acknowledge(); } protected: // device-level overrides virtual void device_start() override; virtual void device_reset() override; private: devcb_read16 m_read_ior; devcb_write16 m_write_iow; devcb_write8 m_write_tc; devcb_write_line m_write_hold; devcb_write_line m_write_nmi; devcb_write_line m_write_intr; devcb_write_line m_write_cpureset; devcb_write_line m_write_a20m; devcb_write_line m_write_spkr; required_device m_dma1; required_device m_dma2; required_device m_pic1; required_device m_pic2; required_device m_ctc; required_device m_rtc; offs_t page_offset(); void set_dma_channel(int channel, bool state); void keyboard_gatea20(int state); void nmi(); void a20m(); // internal state std::string m_cputag; std::string m_isatag; std::string m_biostag; std::string m_keybctag; UINT8 m_portb; int m_iochck; int m_nmi_mask; int m_alt_a20; int m_ext_gatea20; int m_kbrst; int m_refresh_toggle; UINT16 m_refresh_ctrl; UINT16 m_memory_ctrl; UINT16 m_chip_sel; UINT16 m_split_start; UINT8 m_bank_start[4]; UINT16 m_diagnostic; int m_dma_eop; UINT8 m_dma_page[0x10]; UINT8 m_dma_high_byte; int m_dma_channel; address_space *m_space; address_space *m_space_io; UINT8 *m_isa; UINT8 *m_bios; UINT8 *m_ram; at_keyboard_controller_device *m_keybc; }; // device type definition extern const device_type WD7600; #endif /* WD7600_H_ */