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Diffstat (limited to 'src/mame/drivers/force68k.cpp')
-rw-r--r-- | src/mame/drivers/force68k.cpp | 738 |
1 files changed, 0 insertions, 738 deletions
diff --git a/src/mame/drivers/force68k.cpp b/src/mame/drivers/force68k.cpp deleted file mode 100644 index 9971891ed82..00000000000 --- a/src/mame/drivers/force68k.cpp +++ /dev/null @@ -1,738 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:Joakim Larsson Edstrom -/*************************************************************************** - * - * Force SYS68K CPU-1/CPU-6 VME SBC drivers, initially based on the 68ksbc.c - * - * 13/06/2015 - * - * The info found on the links below is for a later revisions of the board I have - * but it is somewhat compatible so I got the system ROM up and running in terminal. - * My CPU-1 board has proms from 1983 and the PCB has no rev markings so probably - * the original or a very early design. The board real estate differs from the later - * CPU-1:s I found pictures of but has the same main chips and functions. - * - * http://bitsavers.trailing-edge.com/pdf/forceComputers/1988_Force_VMEbus_Products.pdf - * http://www.artisantg.com/info/P_wUovN.pdf - * - * Some info from those documents: - * - * Address Map - * ---------------------------------------------------------- - * Address Range Description - * ---------------------------------------------------------- - * 000 000 - 000 007 Initialisation vectors from system EPROM - * 000 008 - 01F FFF Dynamic RAM on CPU-1 B - * 000 008 - 07F FFF Dynamic RAM on CPU-1 D - * 080 008 - 09F FFF SYSTEM EPROM Area - * OAO 000 - OBF FFF USER EPROMArea - * 0C0 041 - 0C0 043 ACIA (P3) Host - * 0C0 080 - 0C0 082 ACIA (P4) Terminal - * 0C0 101 - 0C0 103 ACIA (P5) Remote device (eg serial printer) - * 0C0 401 - 0C0 42F RTC - * OEO 001 - 0E0 035 PI/T (eg centronics printer) - * OEO 200 - 0E0 2FF FPU - * OEO 300 - 0E0 300 Reset Off - * OEO 380 - 0E0 380 Reset On - * 100 000 - FEF FFF VMEbus addresses (A24) - * FFO 000 - FFF FFF VMEbus Short I/O (A16) - * ---------------------------------------------------------- - * - * Interrupt sources - * ---------------------------------------------------------- - * Description Device Lvl IRQ VME board - * /Board Vector Address - * ---------------------------------------------------------- - * On board Sources - * ABORT Switch 7 31 - * Real Time Clock (RTC) 58167A 6 30 - * Parallel/Timer (PI/T) 68230 5 29 - * Terminal ACIA 6850 4 28 - * Remote ACIA 6850 3 27 - * Host ACIA 6850 2 26 - * ACFAIL, SYSFAIL VME 5 29 - * Off board Sources (other VME boards) - * 6 Port Serial I/O board SIO 4 64-75 0xb00000 - * 8 Port Serial I/O board ISIO 4 76-83 0x960000 - * Disk Controller WFC 3 119 0xb01000 - * SCSI Controller ISCSI 4 119 0xa00000 - * Slot 1 Controller Board ASCU 7 31 0xb02000 - * ---------------------------------------------------------- - * - * TODO: - * - Add internal layout with switches and leds - * - ****************************************************************************/ - -#include "emu.h" -#include "bus/rs232/rs232.h" -#include "cpu/m68000/m68000.h" -#include "machine/mm58167.h" -#include "machine/68230pit.h" -#include "machine/6850acia.h" -#include "machine/mc14411.h" -#include "machine/clock.h" -#include "bus/centronics/ctronics.h" -#include "bus/generic/slot.h" -#include "bus/generic/carts.h" -#include "softlist.h" -#include "bus/vme/vme.h" -#include "bus/vme/vme_fcisio.h" -#include "bus/vme/vme_fcscsi.h" - -#include "fccpu1.lh" - -/* - * The baudrate on the Force68k CPU-1 to CPU-6 is generated by a Motorola 14411 bitrate generator - * The CPU-6 documents matches the circuits that I could find on the CPU-1 board. - * - * From the documents: - * - * 3 RS232C interfaces, strap selectable baud rate from 110-9600 or 600-19200 baud (CPU-1B datasheet) - * or - * 3 RS232C interfaces, strap selectable baud rate from 60-9600 or 240-38400 baud (CPU-6 Users manual) - * - * Default Jumper Settings of B7: - * -------------------------------- - * GND 10 - 11 RSA input on 14411 - * F1 on 14411 1 - 20 Baud selector of the terminal port - * F1 on 14411 3 - 18 Baud selector of the host port - * F1 on 14411 5 - 16 Baud selector of the remote port - * - * The RSB input on the 14411 is kept high always so RSA=0, RSB=1 and a 1.8432MHz crystal - * generates 153600 on the F1 output pin which by default strapping is connected to all - * three 6850 acias on the board. These can be strapped separatelly to speedup downloads. - * - * The selectable outputs from 14411, F1-F16: - * X16 RSA=0,RSB=1: 153600, 115200, 76800, 57600, 38400, 28800, 19200, 9600, 4800, 3200, 2153.3, 1758.8, 1200, 921600, 1843000 - * X64 RSA=1,RSB=1: 614400, 460800, 307200, 230400, 153600, 115200, 76800, 57600, 38400, 28800, 19200, 9600, 4800, 921600, 1843000 - * - * However, the datasheet says baudrate is strapable for 110-9600 but the output is 153600 - * so the system rom MUST setup the acia to divide by 16 to generate the correct baudrate. - * - * There are multiple ways to achieve some of the baud rates and we have only seen a CPU-6 users manual so - * emulation mimics a CPU-6 board at the moment until further information has been gathered. - */ - -//************************************************************************** -// CONFIGURABLE LOGGING -//************************************************************************** -//#define LOG_GENERAL (1U << 0) // defined in logmacro.h -#define LOG_SETUP (1U << 1) - -//#define VERBOSE (LOG_GENERAL | LOG_SETUP) -//#define LOG_OUTPUT_FUNC printf -#include "logmacro.h" - -// #define LOG(...) LOGMASKED(LOG_SETUP, __VA_ARGS__) // defined in logmacro.h -#define LOGSETUP(...) LOGMASKED(LOG_SETUP, __VA_ARGS__) - -//************************************************************************** -// MACROS / CONSTANTS -//************************************************************************** - -#ifdef _MSC_VER -#define FUNCNAME __func__ -#else -#define FUNCNAME __PRETTY_FUNCTION__ -#endif - -class force68k_state : public driver_device -{ -public: - force68k_state(const machine_config &mconfig, device_type type, const char *tag) - : driver_device(mconfig, type, tag) - , m_maincpu(*this, "maincpu") - , m_rtc(*this, "rtc") - , m_pit(*this, "pit") - , m_brg(*this, "brg") - , m_aciahost(*this, "aciahost") - , m_aciaterm(*this, "aciaterm") - , m_aciaremt(*this, "aciaremt") - , m_centronics(*this, "centronics") - , m_centronics_ack(0) - , m_centronics_busy(0) - , m_centronics_perror(0) - , m_centronics_select(0) - , m_serial_brf(*this, "SERIAL_BRF") - , m_serial_p3(*this, "SERIAL_P3") - , m_serial_p4(*this, "SERIAL_P4") - , m_serial_p5(*this, "SERIAL_P5") - , m_cart(*this, "exp_rom1") - { - } - - void fccpu1_eprom_sockets(machine_config &config); - void fccpu1(machine_config &config); - -private: - DECLARE_READ16_MEMBER (bootvect_r); - DECLARE_READ16_MEMBER (vme_a24_r); - DECLARE_WRITE16_MEMBER (vme_a24_w); - DECLARE_READ16_MEMBER (vme_a16_r); - DECLARE_WRITE16_MEMBER (vme_a16_w); - virtual void machine_start () override; - virtual void machine_reset () override; - - // Clocks - void write_acia_clocks(int id, int state); - DECLARE_WRITE_LINE_MEMBER (write_f1_clock){ write_acia_clocks(mc14411_device::TIMER_F1, state); } - DECLARE_WRITE_LINE_MEMBER (write_f3_clock){ write_acia_clocks(mc14411_device::TIMER_F3, state); } - DECLARE_WRITE_LINE_MEMBER (write_f5_clock){ write_acia_clocks(mc14411_device::TIMER_F5, state); } - DECLARE_WRITE_LINE_MEMBER (write_f7_clock){ write_acia_clocks(mc14411_device::TIMER_F7, state); } - DECLARE_WRITE_LINE_MEMBER (write_f8_clock){ write_acia_clocks(mc14411_device::TIMER_F8, state); } - DECLARE_WRITE_LINE_MEMBER (write_f9_clock){ write_acia_clocks(mc14411_device::TIMER_F9, state); } - DECLARE_WRITE_LINE_MEMBER (write_f11_clock){ write_acia_clocks(mc14411_device::TIMER_F11, state); } - DECLARE_WRITE_LINE_MEMBER (write_f13_clock){ write_acia_clocks(mc14411_device::TIMER_F13, state); } - DECLARE_WRITE_LINE_MEMBER (write_f15_clock){ write_acia_clocks(mc14411_device::TIMER_F15, state); } - - // Centronics printer interface - DECLARE_WRITE_LINE_MEMBER (centronics_ack_w); - DECLARE_WRITE_LINE_MEMBER (centronics_busy_w); - DECLARE_WRITE_LINE_MEMBER (centronics_perror_w); - DECLARE_WRITE_LINE_MEMBER (centronics_select_w); - - // User EPROM/SRAM slot(s) - image_init_result force68k_load_cart(device_image_interface &image, generic_slot_device *slot); - DECLARE_DEVICE_IMAGE_LOAD_MEMBER (exp1_load) { return force68k_load_cart(image, m_cart); } - DECLARE_READ16_MEMBER (read16_rom); - - void force68k_mem(address_map &map); - - required_device<cpu_device> m_maincpu; - required_device<mm58167_device> m_rtc; - required_device<pit68230_device> m_pit; - required_device<mc14411_device> m_brg; - required_device<acia6850_device> m_aciahost; - required_device<acia6850_device> m_aciaterm; - required_device<acia6850_device> m_aciaremt; - optional_device<centronics_device> m_centronics; - - int32_t m_centronics_ack; - int32_t m_centronics_busy; - int32_t m_centronics_perror; - int32_t m_centronics_select; - - // fake inputs for hardware configuration and things that need rewiring - required_ioport m_serial_brf; - required_ioport m_serial_p3; - required_ioport m_serial_p4; - required_ioport m_serial_p5; - - // Pointer to System ROMs needed by bootvect_r - uint16_t *m_sysrom; - uint16_t *m_usrrom; - - required_device<generic_slot_device> m_cart; -}; - -void force68k_state::force68k_mem(address_map &map) -{ - map.unmap_value_high(); - map(0x000000, 0x000007).rom().r(FUNC(force68k_state::bootvect_r)); /* Vectors mapped from System EPROM */ - map(0x000008, 0x01ffff).ram(); /* DRAM CPU-1B */ -// map(0x020000, 0x07ffff).ram(); /* Additional DRAM CPU-1D */ - map(0x080000, 0x083fff).rom(); /* System EPROM Area 16Kb DEBUGGER supplied as default on CPU-1B/D */ - map(0x084000, 0x09ffff).rom(); /* System EPROM Area 112Kb additional space for System ROM */ -// map(0x0a0000, 0x0bffff).rom(); /* User EPROM/SRAM Area, max 128Kb mapped by a cartslot */ - map(0x0c0040, 0x0c0043).rw(m_aciahost, FUNC(acia6850_device::read), FUNC(acia6850_device::write)).umask16(0x00ff); - map(0x0c0080, 0x0c0083).rw(m_aciaterm, FUNC(acia6850_device::read), FUNC(acia6850_device::write)).umask16(0xff00); - map(0x0c0100, 0x0c0103).rw(m_aciaremt, FUNC(acia6850_device::read), FUNC(acia6850_device::write)).umask16(0x00ff); - map(0x0c0400, 0x0c042f).rw(m_rtc, FUNC(mm58167_device::read), FUNC(mm58167_device::write)).umask16(0x00ff); - map(0x0e0000, 0x0e0035).rw(m_pit, FUNC(pit68230_device::read), FUNC(pit68230_device::write)).umask16(0x00ff); -// map(0x0e0200, 0x0e0380).rw(FUNC(force68k_state::fpu_r), FUNC(force68k_state::fpu_w)); /* optional FPCP 68881 FPU interface */ - map(0x100000, 0xfeffff).rw(FUNC(force68k_state::vme_a24_r), FUNC(force68k_state::vme_a24_w)); /* VMEbus Rev B addresses (24 bits) */ - map(0xff0000, 0xffffff).rw(FUNC(force68k_state::vme_a16_r), FUNC(force68k_state::vme_a16_w)); /* VMEbus Rev B addresses (16 bits) */ -} - -/* Input ports */ -static INPUT_PORTS_START (force68k) - - PORT_START("SERIAL_BRF") - PORT_CONFNAME(0x80 , 0x00 , "Baud Rate Factor") // RSA pin on MC14411 - PORT_CONFSETTING(0x00, "1x (Lo)") - PORT_CONFSETTING(0x80, "4x (Hi)") - - PORT_START("SERIAL_P3") - PORT_CONFNAME(0x0F , 0x00 , "P3 Host Baud Lo/Hi") // F1-Fx pins on MC14411 - PORT_CONFSETTING(mc14411_device::TIMER_F1, "9600/38400") // RSA=1x/16x - PORT_CONFSETTING(mc14411_device::TIMER_F3, "4800/19200") - PORT_CONFSETTING(mc14411_device::TIMER_F5, "2400/9600") - PORT_CONFSETTING(mc14411_device::TIMER_F7, "1200/4800") - PORT_CONFSETTING(mc14411_device::TIMER_F8, "600/2400") - PORT_CONFSETTING(mc14411_device::TIMER_F9, "300/1200") - PORT_CONFSETTING(mc14411_device::TIMER_F11, "150/600") - PORT_CONFSETTING(mc14411_device::TIMER_F13, "110/440") - PORT_CONFSETTING(mc14411_device::TIMER_F15, "60/240") - - PORT_START("SERIAL_P4") - PORT_CONFNAME(0x0F , 0x00 , "P4 Terminal Baud Lo/Hi") // F1-Fx pins on MC14411 - PORT_CONFSETTING(mc14411_device::TIMER_F1, "9600/38400") // RSA=1x/16x - PORT_CONFSETTING(mc14411_device::TIMER_F3, "4800/19200") - PORT_CONFSETTING(mc14411_device::TIMER_F5, "2400/9600") - PORT_CONFSETTING(mc14411_device::TIMER_F7, "1200/4800") - PORT_CONFSETTING(mc14411_device::TIMER_F8, "600/2400") - PORT_CONFSETTING(mc14411_device::TIMER_F9, "300/1200") - PORT_CONFSETTING(mc14411_device::TIMER_F11, "150/600") - PORT_CONFSETTING(mc14411_device::TIMER_F13, "110/440") - PORT_CONFSETTING(mc14411_device::TIMER_F15, "60/240") - - PORT_START("SERIAL_P5") - PORT_CONFNAME(0x0F , 0x00 , "P5 Remote Baud Lo/Hi") // F1-Fx pins on MC14411 - PORT_CONFSETTING(mc14411_device::TIMER_F1, "9600/38400") // RSA=1x/16x - PORT_CONFSETTING(mc14411_device::TIMER_F3, "4800/19200") - PORT_CONFSETTING(mc14411_device::TIMER_F5, "2400/9600") - PORT_CONFSETTING(mc14411_device::TIMER_F7, "1200/4800") - PORT_CONFSETTING(mc14411_device::TIMER_F8, "600/2400") - PORT_CONFSETTING(mc14411_device::TIMER_F9, "300/1200") - PORT_CONFSETTING(mc14411_device::TIMER_F11, "150/600") - PORT_CONFSETTING(mc14411_device::TIMER_F13, "110/440") - PORT_CONFSETTING(mc14411_device::TIMER_F15, "60/240") - -INPUT_PORTS_END - -/* - * Centronics support - * - * The system ROMs has support for a parallel printer interface but the signals are just routed to row A - * of the VME P2 connector so no on board Centronics connector is available but assumed to be added on a - * separate I/O board. After some detective work I found that the ROM works as follows: - * - * The 'PA' (Printer Attach) command issues a <cr> on Port A and sends a strobe on H2 it then loops over - * the select signal, bit 0 on Port B, and the ack signal on HS1, both to be non zero. The support is really - * flawed as the strobe signal goes high instead of low ( this might assume an inverting driver on the - * P2 board ) and the busy signal is not checked at all. Or I might have assumed it all wrong, but it now - * works with the generic centronics printer driver. Need the printer board documentation to improve further. - * - * When the 'PA' command is successful everything printed to screen is mirrored on the printer. Use the - * 'NOPA' command to stop mirroring. I had no printer ROMs so could not test it with a "real" printer. - * - * Force CPU-1 init sequence for MC68230 PIT - * ----------------------------------------- - * 0801E6 0E0000 W 00 -> PGCR Mode 0 (uni8), H34 dis, H12 dis, H1234 HZ - * 0801E6 0E0002 W 00 -> PSRR PC4, PC5, H1S>H2S>H3S>H4S - * 0801E6 0E0004 W FF -> PADDR Port A all Outputs - * 0801E6 0E0006 W 00 -> PBDDR Port B all Inputs - * 0801EA 0E000C W 60 -> PACR Port A Mode 01, pin def, dbfr H1 data rec, H2 status/int, H2 output neg, H2S clrd - * 0801F0 0E000E W A0 -> PBCR Port B mode 1x, H4 output neg, H4S clrd, H3 int dis, H3 edg input, H3S set by assrt edg - * 0801F6 0E0000 W 30 -> PGCR H34 enable, H12enable - * 0801FC 0E000E W A8 -> PBCR +H4 asserted - * 08020A 0E000E W A0 -> PBCR +H4 negated - * - * Upon PA (Printer Attach) command enabling the Centronics printer mode - * --------------------------------------------------------------------- - * 081DB4 0E0011 W D0 -> PADR Data to Port A - * 081DB8 0E000D W 68 -> PACR H2 output asserted Centronics Strobe - * 081DC0 0E000D W 60 -> PACR H2 output negated - * 081DD0 0E0013 R 00 <- PBDR Port B polled for 01 (data) & 03 (mask) - * - */ - -/* Centronics ACK handler - * The centronics ack signal is expected by the ROM to arrive at H1 input line - */ -WRITE_LINE_MEMBER (force68k_state::centronics_ack_w) -{ - LOG("%s(%d)\n", FUNCNAME, state); - m_centronics_ack = state; - m_pit->h1_set (state); -} - -/* Centronics BUSY handler - * The centronics busy signal is not used by the ROM driver afaik - */ -WRITE_LINE_MEMBER (force68k_state::centronics_busy_w){ - LOG("%s(%d)\n", FUNCNAME, state); - m_centronics_busy = state; -} - -/* Centronics PERROR handler - * The centronics perror signal is not used by the ROM driver afaik - */ -WRITE_LINE_MEMBER (force68k_state::centronics_perror_w){ - LOG("%s(%d)\n", FUNCNAME, state); - m_centronics_perror = state; -} - -/* Centronics SELECT handler - * The centronics select signal is expected by the ROM on Port B bit 0 - */ -WRITE_LINE_MEMBER (force68k_state::centronics_select_w){ - LOG("%s(%d)\n", FUNCNAME, state); - m_centronics_select = state; - m_pit->portb_setbit (0, state); -} - -/* Start it up */ -void force68k_state::machine_start () -{ - LOG("%s\n", FUNCNAME); - - save_item (NAME (m_centronics_busy)); - save_item (NAME (m_centronics_ack)); - save_item (NAME (m_centronics_select)); - save_item (NAME (m_centronics_perror)); - - /* Setup pointer to bootvector in ROM for bootvector handler bootvect_r */ - m_sysrom = (uint16_t*)(memregion ("maincpu")->base () + 0x080000); - - /* Map user ROM/RAM socket(s) */ - if (m_cart->exists()) - { - m_usrrom = (uint16_t*)m_cart->get_rom_base(); -#if 0 // This should be the correct way but produces odd and even bytes swapped - m_maincpu->space(AS_PROGRAM).install_read_handler(0xa0000, 0xbffff, read16_delegate(*m_cart, FUNC(generic_slot_device::read16_rom))); -#else // So we installs a custom very ineffecient handler for now until we understand hwp to solve the problem better - m_maincpu->space(AS_PROGRAM).install_read_handler(0xa0000, 0xbffff, read16_delegate(*this, FUNC(force68k_state::read16_rom))); -#endif - } -} - -/* Reset it */ -void force68k_state::machine_reset () -{ - LOG("%s\n", FUNCNAME); - - // Set up the BRG divider. RSA is a jumper setting and RSB is always set High - m_brg->rsa_w( m_serial_brf->read() == 0x80 ? ASSERT_LINE : CLEAR_LINE ); - m_brg->rsb_w( ASSERT_LINE); - - // Disable all configured timers, only enabling the used ones - m_brg->timer_disable_all(); - m_brg->timer_enable((mc14411_device::timer_id) m_serial_p3->read(), true); - m_brg->timer_enable((mc14411_device::timer_id) m_serial_p4->read(), true); - m_brg->timer_enable((mc14411_device::timer_id) m_serial_p5->read(), true); -} - -/* A very ineffecient User cart emulation of two 8 bit sockets (odd and even) */ -READ16_MEMBER (force68k_state::read16_rom){ - offset = offset % m_cart->common_get_size("rom"); // Don't read outside buffer... - return ((m_usrrom [offset] << 8) & 0xff00) | ((m_usrrom [offset] >> 8) & 0x00ff); -} - -/* Boot vector handler, the PCB hardwires the first 8 bytes from 0x80000 to 0x0 */ -READ16_MEMBER (force68k_state::bootvect_r){ - return m_sysrom [offset]; -} - -/* 10. The VMEbus (text from board documentation) - * --------------- - * The implemented VMEbus Interface includes 24 address, 16 data, - * 6 address modifier and the asynchronous control signals. - * A single level bus arbiter is provided to build multi master - * systems. In addition to the bus arbiter, a separate slave bus - * arbitration allows selection of the arbitration level (0-3). - * - * The address modifier range .,Short 110 Access can be selected - * via a jumper for variable system generation. The 7 interrupt - * request levels of the VMEbus are fully supported from the - * SYS68K1CPU-1 B/D. For multi-processing, each IRQ signal can be - * enabled/disabled via a jumper field. - * - * Additionally, the SYS68K1CPU-1 B/D supports the ACFAIL, SYSRESET, - * SYSFAIL and SYSCLK signal (16 MHz). - */ - -/* Dummy VME access methods until the VME bus device is ready for use */ -READ16_MEMBER (force68k_state::vme_a24_r) -{ - LOG("%s\n", FUNCNAME); - return (uint16_t) 0; -} - -WRITE16_MEMBER (force68k_state::vme_a24_w) -{ - LOG("%s\n", FUNCNAME); -} - -READ16_MEMBER (force68k_state::vme_a16_r) -{ - LOG("%s\n", FUNCNAME); - return (uint16_t) 0; -} - -WRITE16_MEMBER (force68k_state::vme_a16_w) -{ - LOG("%s\n", FUNCNAME); -} - -/* - * Serial port clock sources can all be driven by different or the same output(s) of the MC14411 - */ -void force68k_state::write_acia_clocks(int id, int state) -{ - if (id == m_serial_p3->read()) - { - m_aciahost->write_txc(state); - m_aciahost->write_rxc(state); - } - if (id == m_serial_p4->read()) - { - m_aciaterm->write_txc(state); - m_aciaterm->write_rxc(state); - } - if (id == m_serial_p5->read()) - { - m_aciaremt->write_txc(state); - m_aciaremt->write_rxc(state); - } -} - -/* - * 4. The USER Area (Text from the board manual) - The USER area contains two 28 pin sockets with JEDEC compatible pin out. - To allow the usage of static RAM's, the access to the USER area is byte - oriented. Table 3. lists the usable device types. - - Bits Bytes EPROM SRAM - -------------------------- - 2Kx16 4 Kbyte 2716 6116 - 4Kx16 8 Kbyte 2732 - 8Kx16 16 Kbyte 2764 6264 - 16Kx16 32 Kbyte 27128 - 32Kx16 64 Kbyte 27256 - -------------------------- -*/ -// Implementation of static 2 x 64K EPROM in sockets J10/J11 as 16 bit wide cartridge for easier -// software handling. TODO: make configurable according to table above. -void force68k_state::fccpu1_eprom_sockets(machine_config &config) -{ - generic_cartslot_device &exp_rom1(GENERIC_CARTSLOT(config, "exp_rom1", generic_plain_slot, "fccpu1_cart", "bin,rom")); - exp_rom1.set_width(GENERIC_ROM16_WIDTH); - exp_rom1.set_endian(ENDIANNESS_BIG); - exp_rom1.set_device_load(FUNC(force68k_state::exp1_load)); -// SOFTWARE_LIST(config, "cart_list").set_original("fccpu1_cart"); -} - -/*************************** - Rom loading functions -****************************/ -image_init_result force68k_state::force68k_load_cart(device_image_interface &image, generic_slot_device *slot) -{ - uint32_t size = slot->common_get_size("rom"); - - if (size > 0x20000) // Max 128Kb - { - LOG("Cartridge size exceeding max size (128Kb): %d\n", size); - image.seterror(IMAGE_ERROR_UNSPECIFIED, "Cartridge size exceeding max size (128Kb)"); - return image_init_result::FAIL; - } - - slot->rom_alloc(size, GENERIC_ROM16_WIDTH, ENDIANNESS_BIG); - slot->common_load_rom(slot->get_rom_base(), size, "rom"); - - return image_init_result::PASS; -} - - -static void fccpu1_vme_cards(device_slot_interface &device) -{ - device.option_add("fcisio", VME_FCISIO1); - device.option_add("fcscsi", VME_FCSCSI1); -} - -/* - * Machine configuration - */ -void force68k_state::fccpu1(machine_config &config) -{ - /* basic machine hardware */ - M68000(config, m_maincpu, XTAL(16'000'000) / 2); - m_maincpu->set_addrmap(AS_PROGRAM, &force68k_state::force68k_mem); - config.set_default_layout(layout_fccpu1); - - /* P3/Host Port config - * LO command causes ROM monitor to expect S-records on HOST port by default - * Implementation through nullmodem currently does not support handshakes so - * the ROM monitor is over-run while checking for checksums etc if used with - * UI mount <file> feature. - */ - ACIA6850(config, m_aciahost, 0); - m_aciahost->txd_handler().set("rs232host", FUNC(rs232_port_device::write_txd)); - m_aciahost->rts_handler().set("rs232host", FUNC(rs232_port_device::write_rts)); - - rs232_port_device &rs232host(RS232_PORT(config, "rs232host", default_rs232_devices, "null_modem")); - rs232host.rxd_handler().set(m_aciahost, FUNC(acia6850_device::write_rxd)); - rs232host.cts_handler().set(m_aciahost, FUNC(acia6850_device::write_cts)); - - /* P4/Terminal Port config */ - ACIA6850(config, m_aciaterm, 0); - m_aciaterm->txd_handler().set("rs232trm", FUNC(rs232_port_device::write_txd)); - m_aciaterm->rts_handler().set("rs232trm", FUNC(rs232_port_device::write_rts)); - - rs232_port_device &rs232trm(RS232_PORT(config, "rs232trm", default_rs232_devices, "terminal")); - rs232trm.rxd_handler().set(m_aciaterm, FUNC(acia6850_device::write_rxd)); - rs232trm.cts_handler().set(m_aciaterm, FUNC(acia6850_device::write_cts)); - - /* P5/Remote Port config */ - ACIA6850(config, m_aciaremt, 0); - - /* Bit Rate Generator */ - MC14411(config, m_brg, XTAL(1'843'200)); - m_brg->out_f<1>().set(FUNC(force68k_state::write_f1_clock)); - m_brg->out_f<3>().set(FUNC(force68k_state::write_f3_clock)); - m_brg->out_f<5>().set(FUNC(force68k_state::write_f5_clock)); - m_brg->out_f<7>().set(FUNC(force68k_state::write_f7_clock)); - m_brg->out_f<8>().set(FUNC(force68k_state::write_f8_clock)); - m_brg->out_f<9>().set(FUNC(force68k_state::write_f9_clock)); - m_brg->out_f<11>().set(FUNC(force68k_state::write_f11_clock)); - m_brg->out_f<13>().set(FUNC(force68k_state::write_f13_clock)); - m_brg->out_f<15>().set(FUNC(force68k_state::write_f15_clock)); - - /* RTC Real Time Clock device */ - MM58167(config, m_rtc, XTAL(32'768)); - - /* PIT Parallel Interface and Timer device, assuming strapped for on board clock */ - PIT68230(config, m_pit, XTAL(16'000'000) / 2); - m_pit->pa_out_callback().set("cent_data_out", FUNC(output_latch_device::bus_w)); - m_pit->h2_out_callback().set(m_centronics, FUNC(centronics_device::write_strobe)); - - // Centronics - CENTRONICS(config, m_centronics, centronics_devices, "printer"); - m_centronics->ack_handler().set(FUNC(force68k_state::centronics_ack_w)); - m_centronics->busy_handler().set(FUNC(force68k_state::centronics_busy_w)); - m_centronics->perror_handler().set(FUNC(force68k_state::centronics_perror_w)); - m_centronics->select_handler().set(FUNC(force68k_state::centronics_select_w)); - - output_latch_device &latch(OUTPUT_LATCH(config, "cent_data_out")); - m_centronics->set_output_latch(latch); - - // EPROM sockets - fccpu1_eprom_sockets(config); - - // VME interface - VME(config, "vme", 0); - VME_SLOT(config, "slot1", fccpu1_vme_cards, nullptr, 1, "vme"); -} - -#if 0 /* - * CPU-6 family is device and adressmap compatible with CPU-1 but with additions - * such as an optional 68881 FPU - */ -void force68k_state::fccpu6(machine_config &config) -{ - M68000(config, m_maincpu, XTAL(8'000'000)); /* Jumper B10 Mode B */ - m_maincpu->set_addrmap(AS_PROGRAM, &force68k_state::force68k_mem); -} - -void force68k_state::fccpu6a(machine_config &config) -{ - M68000(config, m_maincpu, XTAL(12'500'000)); /* Jumper B10 Mode A */ - m_maincpu->set_addrmap(AS_PROGRAM, &force68k_state::force68k_mem); -} - -void force68k_state::fccpu6v(machine_config &config) -{ - M68010(config, m_maincpu, XTAL(8'000'000)); /* Jumper B10 Mode B */ - m_maincpu->set_addrmap(AS_PROGRAM, &force68k_state::force68k_mem); -} - -void force68k_state::fccpu6va(machine_config &config) -{ - M68010(config, m_maincpu, XTAL(12'500'000)); /* Jumper B10 Mode A */ - m_maincpu->set_addrmap(AS_PROGRAM, &force68k_state::force68k_mem); -} - -void force68k_state::fccpu6vb(machine_config &config) -{ - M68010(config, m_maincpu, XTAL(12'500'000)); /* Jumper B10 Mode A */ - m_maincpu->set_addrmap(AS_PROGRAM, &force68k_state::force68k_mem); -} -#endif - -/* ROM definitions */ -ROM_START (fccpu1) - ROM_REGION (0x1000000, "maincpu", 0) - ROM_DEFAULT_BIOS("forcebug-1.1") - - ROM_SYSTEM_BIOS(0, "forcemon-1.0l", "Force Computers SYS68K/CPU-1 Force Monitor 1.0L") - ROMX_LOAD ("fccpu1v1.0l.j8.bin", 0x080001, 0x2000, CRC (3ac6f08f) SHA1 (502f6547b508d8732bd68bbbb2402d8c30fefc3b), ROM_SKIP(1) | ROM_BIOS(0)) - ROMX_LOAD ("fccpu1v1.0l.j9.bin", 0x080000, 0x2000, CRC (035315fb) SHA1 (90dc44d9c25d28428233e6846da6edce2d69e440), ROM_SKIP(1) | ROM_BIOS(0)) - - ROM_SYSTEM_BIOS(1, "forcebug-1.1", "Force Computers SYS68K/CPU-1 Force Debugger 1.1") - ROMX_LOAD ("fccpu1v1.1.j8.bin", 0x080001, 0x4000, CRC (116dcbf0) SHA1 (6870b71606933f84afe27ad031c651d201b93f99), ROM_SKIP(1) | ROM_BIOS(1)) - ROMX_LOAD ("fccpu1v1.1.j9.bin", 0x080000, 0x4000, CRC (aefd5b0b) SHA1 (1e24530a6d5dc4fb77fde67acae08d371e59fc0f), ROM_SKIP(1) | ROM_BIOS(1)) - -/* - * System ROM terminal commands - * - * COMMAND SUMMARY DESCRIPTION (From CPU-1B datasheet, ROMs were dumped - * from a CPU-1 board so some features might be missing or different) - * --------------------------------------------------------------------------- - * BF <address1> <address2> <data> <CR> Block Fill memory - from addr1 through addr2 with data - * BM <address1> <address2> <address 3> <CR> Block Move - move from addr1 through addr2to addr3 - * BR [<address> [; <count>] ... ] <CR> Set/display Breakpoint - * BS <address1> <address2> <data> <CR> Block Search - search addr1 through addr2 for data - * BT <address1> <address2> <CR> Block Test of memory - * DC <expression> <CR> Data Conversion - * DF <CR> Display Formatted registers - * DU [n] <address1> <address2>[<string>] <CR> Dump memory to object file - * GO or G [<address] <CR> Execute program. - * GD [<address] <CR> Go Direct - * GT <address> <CR> Exec prog: temporary breakpoint - * HE<CR> Help; display monitor commands - * LO [n] [;<options] <CR> Load Object file - * MD <address> [<count>] <CR> Memory Display - * MM or M <address> [<data<][;<options>] <CR> Memory Modify - * MS <address> <data1 > <data2> < ... <CR> Memory Set - starting at addr with data 1. data 2 ... - * NOBR [<address> ... ] <CR> Remove Breakpoint - * NOPA <CR> Printer Detach (Centronics on PIT/P2) - * OF <CR> Offset - * PA <CR> Printer Attach (Centronics on PIT/P2) - * PF[n] <CR> Set/display Port Format - * RM <CR> Register Modify - * TM [<exit character>] <CR> Transparent Mode - * TR OR T [<count] <CR> Trace - * TT <address> <CR> Trace: temporary breakpoint - * VE [n] [<string] <CR> Verify memory/object file - * ---------------------------------------------------------------------------- - * .AO - .A7 [<expression] <CR> Display/set address register - * .00 - .07 [<expression] <CR> Display/set data register - * .RO - .R6 [<expression] <CR> Display/set offset register - * .PC [<expression] <CR> Display/set program counter - * .SR [<expression] <CR> Display/set status register - * .SS [<expression] <CR> Display/set supervisor stack - * .US [<expression] <CR> Display/set user stack - * ---------------------------------------------------------------------------- - * MD <address> [<count>]; DI <CR> Disassemble memory location - * MM <address>; DI <CR> Disassemble/Assemble memory location - * ---------------------------------------------------------------------------- - * Undocumented commands found in ROM table at address 0x80308 - * .* No WHAT message displayed, no action seen. - */ -ROM_END - -/* - * CPU-6 ROMs were generally based om VMEPROM which contained the PDOS RTOS from Eyring Research. - * I don't have these but if anyone can dump them and send to me I can verify that they work as expected. - */ -#if 0 -ROM_START (fccpu6) - ROM_REGION (0x1000000, "maincpu", 0) -ROM_END - -ROM_START (fccpu6a) - ROM_REGION (0x1000000, "maincpu", 0) -ROM_END - -ROM_START (fccpu6v) - ROM_REGION (0x1000000, "maincpu", 0) -ROM_END - -ROM_START (fccpu6va) - ROM_REGION (0x1000000, "maincpu", 0) -ROM_END - -ROM_START (fccpu6vb) - ROM_REGION (0x1000000, "maincpu", 0) -ROM_END -#endif - -/* Driver */ -/* YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS */ -COMP( 1983, fccpu1, 0, 0, fccpu1, force68k, force68k_state, empty_init, "Force Computers GmbH", "SYS68K/CPU-1", MACHINE_NO_SOUND_HW ) -//COMP( 1989, fccpu6, 0, 0, fccpu6, force68k, force68k_state, empty_init, "Force Computers GmbH", "SYS68K/CPU-6", MACHINE_IS_SKELETON ) -//COMP( 1989, fccpu6a, 0, 0, fccpu6a, force68k, force68k_state, empty_init, "Force Computers GmbH", "SYS68K/CPU-6a", MACHINE_IS_SKELETON ) -//COMP( 1989, fccpu6v, 0, 0, fccpu6v, force68k, force68k_state, empty_init, "Force Computers GmbH", "SYS68K/CPU-6v", MACHINE_IS_SKELETON ) -//COMP( 1989, fccpu6va, 0, 0, fccpu6va, force68k, force68k_state, empty_init, "Force Computers GmbH", "SYS68K/CPU-6va", MACHINE_IS_SKELETON ) -//COMP( 1989, fccpu6vb, 0, 0, fccpu6vb, force68k, force68k_state, empty_init, "Force Computers GmbH", "SYS68K/CPU-6vb", MACHINE_IS_SKELETON ) |