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|
// license:BSD-3-Clause
// copyright-holders:Miodrag Milanovic, R. Belmont
/***************************************************************************
sun3.c: preliminary driver for Sun 3 and Sun 3x models.
status: 3/80 POSTs, 3/460 needs its unique RTC chip (also used by non-3x Sun 3s).
TODO:
- Z8530 SCC needs to actually speak serial so we can hook up the mouse and keyboard.
- Improve interrupt controller emulation.
- Figure out how the IOMMU works.
- Intersil 7170 device for 3/460 and 3/480 (they use the same PROMs).
- Sun custom MMU for original Sun 3 models.
- AM7990 LANCE chip support for everyone.
- Figure out how the parallel printer port maps to Centronics and make it so.
- Much more...
Sun-3 Models
------------
3/160
Processor(s): 68020 @ 16.67MHz, 68881, Sun-3 MMU, 8 hardware
contexts, 2 MIPS
CPU: 501-1074/1096/1163/1164/1208
Chassis type: deskside
Bus: VME, 12 slots
Memory: 16M physical (documented), 256M virtual, 270ns cycle
Notes: First 68020-based Sun machine. Uses the 3004
"Carrera" CPU, which is used in most other Sun
3/1xx models and the 3/75. Sun supplied 4M
memory expansion boards; third parties had up to
32M on one card. SCSI optional. One variant of
the memory card holds a 6U VME SCSI board; there
is also a SCSI board which sits in slot 7 of the
backplane and runs the SCSI bus out the back of
the backplane to the internal disk/tape (slot 6
in very early backplanes). CPU has two serial
ports, Ethernet, keyboard. Type 3 keyboard plugs
into the CPU; Sun-3 mouse plugs into the
keyboard. Upgradeable to a 3/260 by replacing
CPU and memory boards.
3/75
Processor(s): 68020 @ 16.67MHz, 68881, Sun-3 MMU, 8 hardware
contexts, 2 MIPS
CPU: 501-1074/1094/1163/1164
Chassis type: wide pizza box
Bus: VME, 2 slot
Memory: 16M physical (documented), 256M virtual, 270ns cycle
Notes: Optional SCSI sits on memory expansion board in
second slot.
3/140
Processor(s): 68020 @ 16.67MHz, 68881, Sun-3 MMU, 8 hardware
contexts, 2 MIPS
CPU: 501-1074/1094/1163/1164/1208
Chassis type: deskside
Bus: VME, 3 slots
Memory: 16M physical (documented), 256M virtual, 270ns cycle
3/150
Processor(s): 68020 @ 16.67MHz, 68881, Sun-3 MMU, 8 hardware
contexts, 2 MIPS
CPU: 501-1074/1094/1163/1164/1208
Chassis type: deskside
Bus: VME, 6 slots
Memory: 16M physical (documented), 256M virtual, 270ns cycle
3/180
Processor(s): 68020 @ 16.67MHz, 68881, Sun-3 MMU, 8 hardware
contexts, 2 MIPS
CPU: 501-1074/1094/1163/1164/1208
Chassis type: rackmount
Bus: VME, 12 slots
Memory: 16M physical (documented), 256M virtual, 270ns cycle
Notes: Rackmount version of 3/160. Upgradeable to a
3/280 by replacing the CPU and memory boards.
Very early backplanes have the special SCSI
hookup on slot 6 rather than 7.
3/110
Processor(s): 68020
CPU: 501-1134/1209
Chassis type: deskside
Bus: VME, 3 slots
Notes: Similar to the "Carerra" CPU, but has 8-bit
color framebuffer (cgfour) on board and uses 1M
RAM chips for 4M on-CPU memory. Code-named
"Prism".
3/50
Processor(s): 68020 @ 15.7MHz, 68881 (socket for
501-1075/1133/1162, installed for 501-1207),
Sun-3 MMU, 8 hardware contexts, 1.5 MIPS
CPU: 501-1075/1133/1162/1207
Chassis type: wide pizza box
Bus: none
Memory: 4M physical (documented), 256M virtual, 270ns cycle
Notes: Cycle-stealing monochrome frame buffer. 4M
memory maximum stock, but third-party memory
expansion boards were sold, allowing up to at
least 12M. No bus or P4 connector. Onboard SCSI.
Thin coax or AUI Ethernet. Code-named "Model
25".
3/60
Processor(s): 68020 @ 20MHz, 68881 (stock), Sun-3 MMU,
8 hardware contexts, 3 MIPS
CPU: 501-1205/1322/1334/1345
Chassis type: wide pizza box
Bus: P4 connector (not same as P4 on 3/80)
Memory: 24M physical, 256M virtual, 200ns cycle
Notes: VRAM monochome frame buffer for 501-1205/1334.
Optional color frame buffer (can run mono and
color simultaneously) on P4 connector. Onboard
SCSI. SIMM memory (100ns 1M x 9 SIMMs). High
(1600 * 1100) or low (1152 * 900) resolution
mono selectable by jumper. Thin coax or AUI
Ethernet. Code-named "Ferrari". 4M stock on
501-1205/1322, 0M stock on 501-1322/1345.
3/60LE
Processor(s): 68020 @ 20MHz, 68881 (stock), Sun-3 MMU,
8 hardware contexts, 3 MIPS
CPU: 501-1378
Bus: P4 connector (not same as P4 on 3/80)
Memory: 12M physical, 256M virtual, 200ns cycle
Notes: A version of the 3/60 with no onboard
framebuffer and limited to 12M of RAM (4M of
256K SIMMs and 8M of 1M SIMMs).
3/260
Processor(s): 68020 @ 25MHz, 68881 @ 20MHz (stock), Sun-3 MMU,
8 hardware contexts, 4 MIPS
CPU: 501-1100/1206
Chassis type: deskside
Bus: VME, 12 slot
Memory: 64M (documented) physical with ECC, 256M virtual;
64K write-back cache, direct-mapped,
virtually-indexed and virtually-tagged, with
16-byte lines; 80ns cycle
Notes: Two serial ports, AUI Ethernet, keyboard, and
video on CPU. Video is mono, high-resolution
only. Sun supplied 8M memory boards. Sun 4/2xx
32M boards work up to 128M. First Sun with an
off-chip cache. Upgradeable to a 4/260 by
replacing the CPU board. Code-named "Sirius".
3/280
Processor(s): 68020 @ 25MHz, 68881 @ 20MHz (stock), Sun-3 MMU,
8 hardware contexts, 4 MIPS
CPU: 501-1100/1206
Chassis type: rackmount
Bus: VME, 12 slot
Memory: 64M (documented) physical with ECC, 256M virtual;
64K write-back cache, direct-mapped,
virtually-indexed and virtually-tagged, with
16-byte lines; 80ns cycle
Notes: Rackmount version of the 3/260. Upgradeable to a
4/280 by replacing the CPU board. Code-named
"Sirius".
3/80
Processor(s): 68030 @ 20MHz, 68882 @ 20MHz, 68030 on-chip
MMU, 3 MIPS, 0.16 MFLOPS
CPU: 501-1401/1650
Chassis type: square pizza box
Bus: P4 connector (not same as P4 on 3/60)
Memory: 16M or 40M physical, 4G virtual, 100ns cycle
Notes: Similar packaging to SparcStation 1. Parallel
port, SCSI port, AUI Ethernet, 1.44M 3.5" floppy
(720K on early units?). No onboard framebuffer.
Code-named "Hydra". Type-4 keyboard and Sun-4
mouse, plugged together and into the machine
with a small DIN plug. 1M x 9 30-pin 100ns
SIMMs. Boot ROM versions 3.0.2 and later allow
using 4M SIMMs in some slots for up to 40M (see
Misc Q&A #15).
3/460
Processor(s): 68030 @ 33 MHz, 68882, 68030 on-chip MMU,
7 MIPS, 0.6 MFLOPS
CPU: 501-1299/1550
Bus: VME
Memory: 128M physical with ECC, 4G/process virtual,
64K cache, 80ns cycle
Notes: A 3/260 upgraded with a 3/4xx CPU board. Uses
original 3/2xx memory boards.
3/470
Processor(s): 68030 @ 33 MHz, 68882, 68030 on-chip MMU,
7 MIPS, 0.6 MFLOPS
CPU: 501-1299/1550
Chassis type: deskside
Bus: VME
Memory: 128M physical with ECC, 4G/process virtual,
64K cache, 80ns cycle
Notes: Rare. Code-named "Pegasus". 8M standard, uses
same memory boards as 3/2xx.
3/480
Processor(s): 68030 @ 33 MHz, 68882, 68030 on-chip MMU,
7 MIPS, 0.6 MFLOPS
CPU: 501-1299/1550
Chassis type: rackmount
Bus: VME
Memory: 128M physical with ECC, 4G/process virtual,
64K cache, 80ns cycle
Notes: Rare. Code-named "Pegasus". 8M standard, uses
same memory boards as 3/2xx.
3/E
Processor(s): 68020
CPU: 501-8028
Bus: VME
Notes: Single-board VME Sun-3, presumably for use as a
controller, not as a workstation. 6U form
factor. Serial and keyboard ports. External RAM,
framebuffer, and SCSI/ethernet boards
available.
Sun3X notes from NetBSD and Linux:
RAM_END 0x40000000
P4DAC 0x50200000
VIDEO_P4ID 0x50300000
BW2_ADDR 0x50400000
ENA_PLANE 0x50600000
FPA_ADDR 0x5c000000
IOMMU 0x60000000
ENABLEREG 0x61000000
BUSERRREG 0x61000400
DIAGREG 0x61000800
IDPROM1 0x61000c00 (3/470)
MEMREG 0x61001000
INTERREG 0x61001400
SCC1 0x62000000 (keyboard/mouse)
SCC2 0x62002000 (serial console)
EEPROM 0x64000000
IDPROM2 0x640007d8 (3/80)
CLOCK2 0x640007f8 (3/80 Mostek 48T02)
CLOCK1 0x64002000 (3/470 Intersil 7170)
INTELETH 0x65000000
LANCEETH 0x65002000
EMULEXSCSI 0x66000000 (3/80 5394)
EMULLEXDMA 0x66001000 (3/80)
PCACHETAG 0x68000000
ECCPARREG 0x6a1e0000
IOCTAGS 0x6c000000
IOCFLUSH 0x6d000000
FDC 0x6e000000 (3/80 Intel 82077)
FDC_CNTRL 0x6e000400
FDC_VEC 0x6e000800
PRINTER 0x6f00003c (3/80)
The Sun3x System Enable Register controls the function of a few
on-board devices and general system operation. It is cleared when
the system is reset.
15 0
+---+---+---+---+---+---+---+---+---+---+---+---+---+---.---.---+
|BT |FPP|DMA| 0 |VID|RES|FPA|DIA| 0 |CCH|IOC|LBK|DCH| UNUSED |
+---+---+---+---+---+---+---+---+---+---+---+---+---+---.---.---+
Where: DCH = debug mode for system cache
LBK = VME loopback
IOC = I/O cache enable
CCH = system cache enable
DIA = diagnostic switch
FPA = enable floating-point accelerator
RES = 0 for hi-res, 1 for low res
VID = enable video display
DMA = enable system DVMA
FPP = enable 68881/2 FPU
BT = 0 for boot state, 1 for normal state
bad '030 MMU mapping: L fef82000 -> P 00000000
****************************************************************************/
#include "emu.h"
#include "cpu/m68000/m68000.h"
#include "machine/timekpr.h"
#include "machine/8530scc.h"
#include "bus/scsi/scsi.h"
#include "bus/scsi/scsihd.h"
#include "bus/scsi/scsicd.h"
#include "machine/ncr539x.h"
#include "machine/upd765.h"
#include "formats/pc_dsk.h"
#include "formats/mfi_dsk.h"
#define TIMEKEEPER_TAG "timekpr"
#define SCC1_TAG "scc1"
#define SCC2_TAG "scc2"
#define ESP_TAG "esp"
#define FDC_TAG "fdc"
class sun3_state : public driver_device
{
public:
sun3_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_maincpu(*this, "maincpu"),
m_scc1(*this, SCC1_TAG),
m_scc2(*this, SCC2_TAG),
m_fdc(*this, FDC_TAG),
m_p_ram(*this, "p_ram"),
m_bw2_vram(*this, "bw2_vram")
{ }
required_device<cpu_device> m_maincpu;
required_device<scc8530_t> m_scc1;
required_device<scc8530_t> m_scc2;
optional_device<n82077aa_device> m_fdc;
virtual void machine_reset();
required_shared_ptr<UINT32> m_p_ram;
optional_shared_ptr<UINT32> m_bw2_vram;
DECLARE_READ32_MEMBER(enable_r);
DECLARE_WRITE32_MEMBER(enable_w);
DECLARE_READ32_MEMBER(buserr_r);
DECLARE_WRITE32_MEMBER(buserr_w);
DECLARE_READ32_MEMBER(diag_r);
DECLARE_WRITE32_MEMBER(diag_w);
DECLARE_READ32_MEMBER(printer_r);
DECLARE_WRITE32_MEMBER(printer_w);
DECLARE_READ32_MEMBER(iommu_r);
DECLARE_WRITE32_MEMBER(iommu_w);
DECLARE_READ32_MEMBER(irqctrl_r);
DECLARE_WRITE32_MEMBER(irqctrl_w);
DECLARE_READ32_MEMBER(memreg_r);
DECLARE_WRITE32_MEMBER(memreg_w);
DECLARE_READ32_MEMBER(memrerraddr_r);
DECLARE_WRITE32_MEMBER(memrerraddr_w);
DECLARE_READ32_MEMBER(fdc_control_r);
DECLARE_WRITE32_MEMBER(fdc_control_w);
DECLARE_READ32_MEMBER(cause_buserr_r);
DECLARE_WRITE32_MEMBER(cause_buserr_w);
DECLARE_WRITE32_MEMBER(ramwrite_w);
DECLARE_READ32_MEMBER(fpa_r);
DECLARE_READ32_MEMBER(p4id_r);
DECLARE_READ8_MEMBER(scc1_r);
DECLARE_WRITE8_MEMBER(scc1_w);
DECLARE_READ8_MEMBER(scc2_r);
DECLARE_WRITE8_MEMBER(scc2_w);
DECLARE_FLOPPY_FORMATS( floppy_formats );
TIMER_DEVICE_CALLBACK_MEMBER(sun380_timer);
UINT32 bw2_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
private:
UINT32 m_enable, m_buserr, m_diag, m_printer, m_irqctrl, m_memreg, m_memerraddr;
UINT32 m_iommu[0x800];
bool m_bInBusErr;
};
static ADDRESS_MAP_START(sun3_mem, AS_PROGRAM, 32, sun3_state)
ADDRESS_MAP_UNMAP_HIGH
AM_RANGE(0x00000000, 0x00ffffff) AM_RAM AM_SHARE("p_ram") // 16MB
AM_RANGE(0x0fef0000, 0x0fefffff) AM_ROM AM_REGION("user1",0)
ADDRESS_MAP_END
static ADDRESS_MAP_START(sun3_80_mem, AS_PROGRAM, 32, sun3_state)
AM_RANGE(0x00000000, 0x03ffffff) AM_RAM AM_SHARE("p_ram") AM_WRITE(ramwrite_w)
AM_RANGE(0x40000000, 0x40000003) AM_READWRITE(cause_buserr_r, cause_buserr_w)
AM_RANGE(0x50300000, 0x50300003) AM_READ(p4id_r)
AM_RANGE(0x50400000, 0x504fffff) AM_RAM AM_SHARE("bw2_vram")
AM_RANGE(0x60000000, 0x60001fff) AM_READWRITE(iommu_r, iommu_w)
AM_RANGE(0x61000000, 0x61000003) AM_READWRITE(enable_r, enable_w)
AM_RANGE(0x61000400, 0x61000403) AM_READWRITE(buserr_r, buserr_w)
AM_RANGE(0x61000800, 0x61000803) AM_READWRITE(diag_r, diag_w)
AM_RANGE(0x61001000, 0x61001003) AM_READWRITE(memreg_r, memreg_w)
AM_RANGE(0x61001004, 0x61001007) AM_READWRITE(memrerraddr_r, memrerraddr_w)
AM_RANGE(0x61001400, 0x61001403) AM_READWRITE(irqctrl_r, irqctrl_w)
AM_RANGE(0x62000000, 0x6200000f) AM_READWRITE8(scc1_r, scc1_w, 0xff00ff00)
AM_RANGE(0x62002000, 0x6200200f) AM_READWRITE8(scc2_r, scc2_w, 0xff00ff00)
AM_RANGE(0x63000000, 0x6301ffff) AM_ROM AM_REGION("user1",0)
AM_RANGE(0x64000000, 0x640007ff) AM_DEVREADWRITE8(TIMEKEEPER_TAG, timekeeper_device, read, write, 0xffffffff)
AM_RANGE(0x66000000, 0x6600003f) AM_DEVREADWRITE8(ESP_TAG, ncr539x_device, read, write, 0xff000000)
AM_RANGE(0x6e000000, 0x6e000007) AM_DEVICE8(FDC_TAG, n82077aa_device, map, 0xffffffff)
AM_RANGE(0x6e000400, 0x6e000403) AM_READWRITE(fdc_control_r, fdc_control_w)
AM_RANGE(0x6f00003c, 0x6f00003f) AM_READWRITE(printer_r, printer_w)
AM_RANGE(0xfefe0000, 0xfefeffff) AM_ROM AM_REGION("user1",0)
ADDRESS_MAP_END
static ADDRESS_MAP_START(sun3_460_mem, AS_PROGRAM, 32, sun3_state)
AM_RANGE(0x00000000, 0x03ffffff) AM_RAM AM_SHARE("p_ram") AM_WRITE(ramwrite_w)
AM_RANGE(0x09000000, 0x09000003) AM_READWRITE(cause_buserr_r, cause_buserr_w)
AM_RANGE(0x50300000, 0x50300003) AM_READ(p4id_r)
AM_RANGE(0x50400000, 0x504fffff) AM_RAM AM_SHARE("bw2_vram")
AM_RANGE(0x5c000f14, 0x5c000f17) AM_READ(fpa_r)
AM_RANGE(0x60000000, 0x60001fff) AM_READWRITE(iommu_r, iommu_w)
AM_RANGE(0x61000000, 0x61000003) AM_READWRITE(enable_r, enable_w)
AM_RANGE(0x61000400, 0x61000403) AM_READWRITE(buserr_r, buserr_w)
AM_RANGE(0x61000800, 0x61000803) AM_READWRITE(diag_r, diag_w)
AM_RANGE(0x61001000, 0x61001003) AM_READWRITE(memreg_r, memreg_w)
AM_RANGE(0x61001004, 0x61001007) AM_READWRITE(memrerraddr_r, memrerraddr_w)
AM_RANGE(0x61001400, 0x61001403) AM_READWRITE(irqctrl_r, irqctrl_w)
AM_RANGE(0x62000000, 0x6200000f) AM_READWRITE8(scc1_r, scc1_w, 0xff00ff00)
AM_RANGE(0x62002000, 0x6200200f) AM_READWRITE8(scc2_r, scc2_w, 0xff00ff00)
AM_RANGE(0x63000000, 0x6301ffff) AM_ROM AM_REGION("user1",0)
AM_RANGE(0x6f00003c, 0x6f00003f) AM_READWRITE(printer_r, printer_w)
AM_RANGE(0xfefe0000, 0xfefeffff) AM_ROM AM_REGION("user1",0)
ADDRESS_MAP_END
READ32_MEMBER( sun3_state::p4id_r )
{
return (1<<24); // 0 = hires bw2 1600x1280, 1 = bw2 1152x900, 0x45 is "Ibis" color, blt 0x68 is "Lego" color
}
WRITE32_MEMBER( sun3_state::fdc_control_w )
{
logerror("FDC write %02x (%08x)\n", data >> 24, space.device().safe_pc());
}
READ32_MEMBER( sun3_state::fdc_control_r )
{
// Type of floppy present
// 0 = no floppy in drive
// 1 = ed
// 2 = hd
// 3 = dd
if(m_fdc) {
floppy_image_device *fdev = machine().device<floppy_connector>(":fdc:0")->get_device();
if(fdev->exists()) {
UINT32 variant = fdev->get_variant();
switch(variant) {
case floppy_image::SSSD:
case floppy_image::SSDD:
case floppy_image::DSDD:
return 3 << 24;
case floppy_image::DSHD:
return 2 << 24;
case floppy_image::DSED:
return 1 << 24;
}
}
}
return 0 << 24;
}
WRITE32_MEMBER(sun3_state::ramwrite_w)
{
UINT32 *pRAM = (UINT32 *)m_p_ram.target();
if (((m_memreg & 0xf0000000) == 0x70000000) &&
(m_irqctrl & 0x01000000) &&
!(m_bInBusErr))
{
m_memerraddr = offset<<2;
// low 4 bits of memreg are the byte lane(s) involved, negative logic
m_memreg |= 0x0f;
switch (mem_mask)
{
case 0xff000000:
m_memreg &= ~0x08;
break;
case 0x00ff0000:
m_memerraddr += 1;
m_memreg &= ~0x04;
break;
case 0x0000ff00:
m_memerraddr += 2;
m_memreg &= ~0x02;
break;
case 0x000000ff:
m_memerraddr += 3;
m_memreg &= ~0x01;
break;
case 0x0000ffff:
m_memerraddr += 2;
m_memreg &= ~0x03;
break;
case 0xffff0000:
m_memreg &= ~0x0c;
break;
case 0xffffffff: // no address adjust, show all 4 lanes as problematic
break;
}
m_bInBusErr = true; // prevent recursion
m_maincpu->set_input_line_and_vector(M68K_IRQ_7, ASSERT_LINE, 2);
}
COMBINE_DATA(&pRAM[offset]);
}
// sun3: 0 = B control, 1 = B data, 2 = A control, 3 = A data
// 8530scc: 0 = B control, 1 = A control, 2 = B data, 3 = A data
READ8_MEMBER(sun3_state::scc1_r)
{
int regsel = ((offset & 1)<<1) | ((offset & 2) >> 1);
return m_scc1->reg_r(space, regsel);
}
WRITE8_MEMBER(sun3_state::scc1_w)
{
int regsel = ((offset & 1)<<1) | ((offset & 2) >> 1);
m_scc1->reg_w(space, regsel, data);
}
READ8_MEMBER(sun3_state::scc2_r)
{
int regsel = ((offset & 1)<<1) | ((offset & 2) >> 1);
return m_scc2->reg_r(space, regsel);
}
WRITE8_MEMBER(sun3_state::scc2_w)
{
int regsel = ((offset & 1)<<1) | ((offset & 2) >> 1);
m_scc2->reg_w(space, regsel, data);
}
READ32_MEMBER(sun3_state::enable_r)
{
return m_enable;
}
WRITE32_MEMBER(sun3_state::enable_w)
{
// printf("sun3x: %08x to enable (mask %08x)\n", data, mem_mask);
COMBINE_DATA(&m_enable);
}
READ32_MEMBER(sun3_state::buserr_r)
{
UINT32 rv = m_buserr;
m_buserr = 0;
return rv;
}
WRITE32_MEMBER(sun3_state::buserr_w)
{
// printf("sun3x: %08x to buserr (mask %08x)\n", data, mem_mask);
COMBINE_DATA(&m_buserr);
}
READ32_MEMBER(sun3_state::diag_r)
{
return m_diag;
}
WRITE32_MEMBER(sun3_state::diag_w)
{
// printf("sun3x: %08x to diag (mask %08x)\n", data, mem_mask);
COMBINE_DATA(&m_diag);
}
READ32_MEMBER(sun3_state::printer_r)
{
return m_printer;
}
WRITE32_MEMBER(sun3_state::printer_w)
{
// printf("sun3x: %08x to printer (mask %08x)\n", data, mem_mask);
COMBINE_DATA(&m_printer);
}
READ32_MEMBER(sun3_state::irqctrl_r)
{
return m_irqctrl;
}
WRITE32_MEMBER(sun3_state::irqctrl_w)
{
// printf("sun3x: %08x to interrupt control (mask %08x)\n", data, mem_mask);
COMBINE_DATA(&m_irqctrl);
if (data & 0x01000000)
{
if (data & 0x02000000)
{
m_maincpu->set_input_line(M68K_IRQ_1, ASSERT_LINE);
}
if (data & 0x04000000)
{
m_maincpu->set_input_line(M68K_IRQ_2, ASSERT_LINE);
}
if (data & 0x08000000)
{
m_maincpu->set_input_line(M68K_IRQ_3, ASSERT_LINE);
}
if (!(data & 0x80000000))
{
m_maincpu->set_input_line(M68K_IRQ_7, CLEAR_LINE);
}
}
else // master enable clear, clear all interrupts
{
m_maincpu->set_input_line(M68K_IRQ_1, CLEAR_LINE);
m_maincpu->set_input_line(M68K_IRQ_2, CLEAR_LINE);
m_maincpu->set_input_line(M68K_IRQ_3, CLEAR_LINE);
m_maincpu->set_input_line(M68K_IRQ_4, CLEAR_LINE);
m_maincpu->set_input_line(M68K_IRQ_5, CLEAR_LINE);
m_maincpu->set_input_line(M68K_IRQ_6, CLEAR_LINE);
m_maincpu->set_input_line(M68K_IRQ_7, CLEAR_LINE);
}
}
READ32_MEMBER(sun3_state::memreg_r)
{
return m_memreg;
}
WRITE32_MEMBER(sun3_state::memreg_w)
{
// printf("sun3x: %08x to memory control (mask %08x)\n", data, mem_mask);
COMBINE_DATA(&m_memreg);
}
READ32_MEMBER(sun3_state::memrerraddr_r)
{
m_bInBusErr = false;
m_maincpu->set_input_line(M68K_IRQ_7, CLEAR_LINE);
return m_memerraddr;
}
WRITE32_MEMBER(sun3_state::memrerraddr_w)
{
// printf("sun3x: %08x to memory error address (mask %08x)\n", data, mem_mask);
COMBINE_DATA(&m_memerraddr);
}
READ32_MEMBER(sun3_state::iommu_r)
{
return m_iommu[offset];
}
// IOMMU entry defs:
// address mask: 0x03ffe000
// cache inhibit: 0x00000040
// full block: 0x00000020
// modified: 0x00000010
// used: 0x00000008
// write prot: 0x00000004
// bad: 0x00000002
// valid: 0x00000001
WRITE32_MEMBER(sun3_state::iommu_w)
{
COMBINE_DATA(&m_iommu[offset]);
}
READ32_MEMBER(sun3_state::fpa_r)
{
m_buserr |= 0x04000000;
m_maincpu->set_input_line(M68K_LINE_BUSERROR, ASSERT_LINE);
m_maincpu->set_input_line(M68K_LINE_BUSERROR, CLEAR_LINE);
return 0xffffffff;
}
READ32_MEMBER(sun3_state::cause_buserr_r)
{
m_buserr |= 0x20000000;
m_maincpu->set_input_line(M68K_LINE_BUSERROR, ASSERT_LINE);
m_maincpu->set_input_line(M68K_LINE_BUSERROR, CLEAR_LINE);
return 0xffffffff;
}
WRITE32_MEMBER(sun3_state::cause_buserr_w)
{
m_buserr |= 0x20000000;
m_maincpu->set_input_line(M68K_LINE_BUSERROR, ASSERT_LINE);
m_maincpu->set_input_line(M68K_LINE_BUSERROR, CLEAR_LINE);
}
TIMER_DEVICE_CALLBACK_MEMBER(sun3_state::sun380_timer)
{
if ((m_irqctrl & 0x81000000) == 0x81000000)
{
m_maincpu->set_input_line(M68K_IRQ_7, CLEAR_LINE);
m_maincpu->set_input_line(M68K_IRQ_7, ASSERT_LINE);
}
}
UINT32 sun3_state::bw2_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect)
{
UINT32 *scanline;
int x, y;
UINT8 pixels;
static const UINT32 palette[2] = { 0, 0xffffff };
UINT8 *m_vram = (UINT8 *)m_bw2_vram.target();
for (y = 0; y < 900; y++)
{
scanline = &bitmap.pix32(y);
for (x = 0; x < 1152/8; x++)
{
pixels = m_vram[(y * (1152/8)) + (BYTE4_XOR_BE(x))];
*scanline++ = palette[(pixels>>7)&1];
*scanline++ = palette[(pixels>>6)&1];
*scanline++ = palette[(pixels>>5)&1];
*scanline++ = palette[(pixels>>4)&1];
*scanline++ = palette[(pixels>>3)&1];
*scanline++ = palette[(pixels>>2)&1];
*scanline++ = palette[(pixels>>1)&1];
*scanline++ = palette[(pixels&1)];
}
}
return 0;
}
/* Input ports */
static INPUT_PORTS_START( sun3 )
INPUT_PORTS_END
void sun3_state::machine_reset()
{
UINT8* user1 = memregion("user1")->base();
memcpy((UINT8*)m_p_ram.target(),user1,0x10000);
m_maincpu->reset();
memset(m_iommu, 0, sizeof(m_iommu));
m_enable = 0;
m_buserr = 0;
m_diag = 0;
m_printer = 0;
m_irqctrl = 0;
m_memreg = 0;
m_memerraddr = 0;
m_bInBusErr = false;
}
FLOPPY_FORMATS_MEMBER( sun3_state::floppy_formats )
FLOPPY_PC_FORMAT
FLOPPY_FORMATS_END
static SLOT_INTERFACE_START( sun_floppies )
SLOT_INTERFACE( "35hd", FLOPPY_35_HD )
SLOT_INTERFACE_END
static MACHINE_CONFIG_START( sun3, sun3_state )
/* basic machine hardware */
MCFG_CPU_ADD("maincpu", M68020, 16670000)
MCFG_CPU_PROGRAM_MAP(sun3_mem)
MCFG_DEVICE_ADD(SCC1_TAG, SCC8530, XTAL_4_9152MHz)
MCFG_DEVICE_ADD(SCC2_TAG, SCC8530, XTAL_4_9152MHz)
MACHINE_CONFIG_END
static MACHINE_CONFIG_START( sun3_80, sun3_state )
/* basic machine hardware */
MCFG_CPU_ADD("maincpu", M68030, 20000000)
MCFG_CPU_PROGRAM_MAP(sun3_80_mem)
MCFG_M48T02_ADD(TIMEKEEPER_TAG)
MCFG_DEVICE_ADD(SCC1_TAG, SCC8530, XTAL_4_9152MHz)
MCFG_DEVICE_ADD(SCC2_TAG, SCC8530, XTAL_4_9152MHz)
MCFG_DEVICE_ADD("scsi", SCSI_PORT, 0)
MCFG_SCSIDEV_ADD("scsi:" SCSI_PORT_DEVICE1, "harddisk", SCSIHD, SCSI_ID_6)
MCFG_SCSIDEV_ADD("scsi:" SCSI_PORT_DEVICE2, "harddisk", SCSIHD, SCSI_ID_5)
MCFG_DEVICE_ADD(ESP_TAG, NCR539X, 20000000/2)
MCFG_LEGACY_SCSI_PORT("scsi")
MCFG_N82077AA_ADD("fdc", n82077aa_device::MODE_PS2)
MCFG_FLOPPY_DRIVE_ADD("fdc:0", sun_floppies, "35hd", sun3_state::floppy_formats)
// the timekeeper has no interrupt output, so 3/80 includes a dedicated timer circuit
MCFG_TIMER_DRIVER_ADD_PERIODIC("timer", sun3_state, sun380_timer, attotime::from_hz(100))
MCFG_SCREEN_ADD("bwtwo", RASTER)
MCFG_SCREEN_UPDATE_DRIVER(sun3_state, bw2_update)
MCFG_SCREEN_SIZE(1152,900)
MCFG_SCREEN_VISIBLE_AREA(0, 1152-1, 0, 900-1)
MCFG_SCREEN_REFRESH_RATE(72)
MACHINE_CONFIG_END
static MACHINE_CONFIG_START( sun3_460, sun3_state )
/* basic machine hardware */
MCFG_CPU_ADD("maincpu", M68030, 33000000)
MCFG_CPU_PROGRAM_MAP(sun3_460_mem)
MCFG_M48T02_ADD(TIMEKEEPER_TAG)
MCFG_DEVICE_ADD(SCC1_TAG, SCC8530, XTAL_4_9152MHz)
MCFG_DEVICE_ADD(SCC2_TAG, SCC8530, XTAL_4_9152MHz)
MACHINE_CONFIG_END
/* ROM definition */
ROM_START( sun3_50 )
ROM_REGION32_BE( 0x10000, "user1", ROMREGION_ERASEFF )
/*
Sun 3/50 V1.2 Bootprom
Sun 3/50 V1.4 Bootprom
Sun 3/50 V1.6 Bootprom
Sun 3/50 V1.8 Bootprom (Req. to load SunOS QIC-24 1/4" tapes)
Sun 3/50 V2.0 Bootprom
Sun 3/50 V2.1 Bootprom
Sun 3/50 V2.3 Bootprom
Sun 3/50 V2.5 Bootprom (Req. to load SunOS QIC-24 1/4" tapes from a Sun-2 Shoebox)
Sun 3/50 V2.6 Bootprom
Sun 3/50 V2.7 Bootprom
Sun 3/50 V2.8 Bootprom
*/
ROM_SYSTEM_BIOS(0, "rev28", "Rev 2.8")
ROMX_LOAD( "sun3_50_v2.8", 0x0000, 0x10000, CRC(1ca6b0e8) SHA1(5773ac1c46399501d29d1758aa342862b03ec472), ROM_BIOS(1))
ROM_SYSTEM_BIOS(1, "rev27", "Rev 2.7")
ROMX_LOAD( "sun3_50_v2.7", 0x0000, 0x10000, CRC(7c4a9e20) SHA1(6dcd4883a170538050fd0e1f151fae413ec9ea52), ROM_BIOS(2))
ROM_SYSTEM_BIOS(2, "rev26", "Rev 2.6")
ROMX_LOAD( "sun3_50_v2.6", 0x0000, 0x10000, CRC(08abbb3b) SHA1(6bfb8d5c97d801cd7bb7d564de0e68a48fb807c4), ROM_BIOS(3))
ROM_SYSTEM_BIOS(3, "rev23", "Rev 2.3")
ROMX_LOAD( "sun3_50_v2.3", 0x0000, 0x10000, CRC(163500b3) SHA1(437c8d539e12d442ca6877566dbbe165d577fcab), ROM_BIOS(4))
ROM_SYSTEM_BIOS(4, "rev16", "Rev 1.6")
ROMX_LOAD( "sun3_50_v1.6", 0x0000, 0x10000, CRC(8be20826) SHA1(2a4d73fcb7fe0f0c83eb0f4c91d957b7bf88b7ed), ROM_BIOS(5))
ROM_END
ROM_START( sun3_60 )
ROM_REGION32_BE( 0x10000, "user1", ROMREGION_ERASEFF )
/*
Sun 3/60 V1.0 Bootprom
Sun 3/60 V1.3 Bootprom
Sun 3/60 V1.5 Bootprom
Sun 3/60 V1.6 Bootprom (Req. to load SunOS QIC-24 1/4" tapes
Sun 3/60 V1.9 Bootprom
Sun 3/60 V2.8.3 Bootprom
Sun 3/60 V3.0.1 Bootprom
*/
ROM_SYSTEM_BIOS(0, "rev301", "Rev 3.0.1")
ROMX_LOAD( "sun_3.60v3.0.1", 0x0000, 0x10000, CRC(e55dc1d8) SHA1(6e48414ce2139282e69f57612b20f7d5c475e74c), ROM_BIOS(1))
ROM_SYSTEM_BIOS(1, "rev283", "Rev 2.8.3")
ROMX_LOAD( "sun_3.60v2.8.3", 0x0000, 0x10000, CRC(de4ec54d) SHA1(e621a9c1a2a7df4975b12fa3a0d7f106383736ef), ROM_BIOS(2))
ROM_SYSTEM_BIOS(2, "rev19", "Rev 1.9")
ROMX_LOAD( "sun_3.60v1.9", 0x0000, 0x10000, CRC(32b6d3a9) SHA1(307756ba5698611d51059881057f8086956ce895), ROM_BIOS(3))
ROM_END
ROM_START( sun3_110 )
ROM_REGION32_BE( 0x10000, "user1", ROMREGION_ERASEFF )
/*
Sun 3/110 V1.8 Bootprom
Sun 3/110 V2.1 Bootprom
Sun 3/110 V2.3 Bootprom
Sun 3/110 V2.6 Bootprom
Sun 3/110 V2.7 Bootprom
Sun 3/110 V2.8 Bootprom
Sun 3/110 V3.0 Bootprom
*/
ROM_SYSTEM_BIOS(0, "rev30", "Rev 3.0")
ROMX_LOAD( "sun3_110_v3.0", 0x0000, 0x10000, CRC(a193b26b) SHA1(0f54212ee3a5709f70e921069cca1ddb8c143b1b), ROM_BIOS(1))
ROM_END
ROM_START( sun3_150 )
ROM_REGION32_BE( 0x10000, "user1", ROMREGION_ERASEFF )
/*
Sun 3/1[4,5,6,8]0 V1.3 Bootprom
Sun 3/1[4,5,6,8]0 V1.4 Bootprom
Sun 3/1[4,5,6,8]0 V1.5 Bootprom
Sun 3/1[4,5,6,8]0 V1.8 Bootprom (Req. to load SunOS QIC-24 1/4" tapes)
Sun 3/1[4,5,6,8]0 V2.1 Bootprom
Sun 3/1[4,5,6,8]0 V2.1 Bootprom with Capricot Rimfire 3200/3400 support (b rf(0,0,0) works)
Sun 3/1[4,5,6,8]0 V2.3 Bootprom
Sun 3/1[4,5,6,8]0 V2.6 Bootprom (Req. to load SunOS QIC-24 1/4" tapes from a Sun-2 Shoebox and for Xylogics 7053)
Sun 3/1[4,5,6,8]0 V2.7 Bootprom
Sun 3/1[4,5,6,8]0 V2.8 Bootprom
Sun 3/1[4,5,6,8]0 V2.8.4 Bootprom
Sun 3/1[4,5,6,8]0 V3.0 Bootprom
*/
ROM_SYSTEM_BIOS(0, "rev30", "Rev 3.0")
ROMX_LOAD( "sun3_160_v3.0", 0x0000, 0x10000, CRC(fee6e4d6) SHA1(440d532e1848298dba0f043de710bb0b001fb675), ROM_BIOS(1))
ROM_SYSTEM_BIOS(1, "rev284", "Rev 2.8.4")
ROMX_LOAD( "sun3_160_v2.8.4", 0x0000, 0x10000, CRC(3befd013) SHA1(f642bb42200b794e6e32e2fe6c87d5c269c8656d), ROM_BIOS(2))
ROM_SYSTEM_BIOS(2, "rev23", "Rev 2.3")
ROMX_LOAD( "sun3_160_v2.3", 0x0000, 0x10000, CRC(09585745) SHA1(1de1725dd9e27f5a910989bbb5b51acfbdc1d70b), ROM_BIOS(3))
ROM_SYSTEM_BIOS(3, "rev21rf", "Rev 2.1 RF")
ROMX_LOAD( "sun3_160_v2.1_rf", 0x0000, 0x10000, CRC(5c7e9271) SHA1(5e4dbb50859a21f9e1d3e4a06c42494d13a9a8eb), ROM_BIOS(4))
ROM_SYSTEM_BIOS(4, "rev15", "Rev 1.5")
ROMX_LOAD( "sun3_160_v1.5", 0x0000, 0x10000, CRC(06daee37) SHA1(b9873cd48d78ad8e0c85d69966fc20c21cfc99aa), ROM_BIOS(5))
ROM_END
ROM_START( sun3_260 )
ROM_REGION32_BE( 0x10000, "user1", ROMREGION_ERASEFF )
/*
Sun 3/260/280 V1.8 Bootprom
Sun 3/260/280 V2.1 Bootprom ( 2x^G cause system to beep 'till reset)
Sun 3/260/280 V2.3 Bootprom
Sun 3/260/280 V2.6 Bootprom (Req. for Xylogics 7053)
Sun 3/260/280 V2.7 Bootprom
Sun 3/260/280 V2.8 Bootprom
Sun 3/260/280 V2.8.4 Bootprom
Sun 3/260/280 V3.0 Bootprom
*/
ROM_SYSTEM_BIOS(0, "rev30", "Rev 3.0")
ROMX_LOAD( "sun3_260_v3.0", 0x0000, 0x10000, CRC(f43ed1d3) SHA1(204880436bd087ede136f853610403d75e60bd75), ROM_BIOS(1))
ROM_SYSTEM_BIOS(1, "rev27", "Rev 2.7")
ROMX_LOAD( "sun3_260_v2.7", 0x0000, 0x10000, CRC(099fcaab) SHA1(4a5233c778676f48103bdd8bab03b4264686b4aa), ROM_BIOS(2))
ROM_SYSTEM_BIOS(2, "rev26", "Rev 2.6")
ROMX_LOAD( "sun3_260_v2.6", 0x0000, 0x10000, CRC(e8b17951) SHA1(e1fdef42670a349d99b0eca9c50c8566b8bb7c56), ROM_BIOS(3))
ROM_END
ROM_START( sun3_e )
ROM_REGION32_BE( 0x10000, "user1", ROMREGION_ERASEFF )
ROM_SYSTEM_BIOS(0, "rev28", "Rev 3.2")
ROMX_LOAD( "sun3_e.32", 0x0000, 0x10000, CRC(acedde7e) SHA1(1ab6ec28f4365a613a5e326c34cb37585c3f0ecc), ROM_BIOS(1))
ROM_END
ROM_START( sun3_80 )
ROM_REGION32_BE( 0x20000, "user1", ROMREGION_ERASEFF )
/*
Sun 3/80 V1.0 Bootprom
Sun 3/80 V2.2 Bootprom
Sun 3/80 V2.3 Bootprom
Sun 3/80 V2.9.2 Bootprom
Sun 3/80 V3.0 Bootprom
Sun 3/80 V3.0.2 Bootprom
Sun 3/80 V3.0.3 Bootprom
*/
ROM_SYSTEM_BIOS(0, "rev303", "Rev 3.0.3")
ROMX_LOAD( "sun3_80_v3.0.3", 0x0000, 0x20000, CRC(8f983115) SHA1(e4be2dcbb29fc5c60ed9d838ab241c634fdd24e5), ROM_BIOS(1))
ROM_SYSTEM_BIOS(1, "rev302", "Rev 3.0.2")
ROMX_LOAD( "sun3_80_v3.0.2", 0x0000, 0x20000, CRC(c09a3592) SHA1(830187dfe58e65289533717a797d2c42da86ac4e), ROM_BIOS(2))
ROM_SYSTEM_BIOS(2, "rev30", "Rev 3.0")
ROMX_LOAD( "sun3_80_v3.0", 0x0000, 0x20000, CRC(47e3b012) SHA1(1e045b6f542aaf7808d6567c28a9e734a8c5d815), ROM_BIOS(3))
ROM_SYSTEM_BIOS(3, "rev292", "Rev 2.9.2")
ROMX_LOAD( "sun3_80_v2.9.2", 0x0000, 0x20000, CRC(32bcf711) SHA1(7ecd4a0d0988c1d1d53fd79ac16c8456ed73ace1), ROM_BIOS(4))
// default NVRAM: includes valid settings for console on framebuffer, boot from SCSI disk, Ethernet ID, more
ROM_REGION( 0x800, TIMEKEEPER_TAG, 0 )
ROM_LOAD( "timekpr_380.bin", 0x000000, 0x000800, CRC(e76f1aae) SHA1(8e7c36e3928887a94a8133e8416ee4126c31edd7) )
ROM_END
ROM_START( sun3_460 )
ROM_REGION32_BE( 0x20000, "user1", ROMREGION_ERASEFF )
/*
Sun 3/460/480 V1.2.3 Bootprom
Sun 3/460/480 V2.9.1 Bootprom (2 Files, one for odd and one for even addresses)
Sun 3/460/480 V2.9.2 Bootprom
Sun 3/460/480 V2.9.3 Bootprom
Sun 3/460/480 V3.0 Bootprom (2 Files, one for odd and one for even addresses)
*/
ROM_SYSTEM_BIOS(0, "rev30", "Rev 3.0")
ROMX_LOAD( "3_400_l.300", 0x00000, 0x10000, CRC(1312a04b) SHA1(6c3b67ba3567991897a48fe20f589ebbfcf0a35d), ROM_BIOS(1))
ROMX_LOAD( "3_400_h.300", 0x10000, 0x10000, CRC(8d688672) SHA1(a5593844ce6af6c4f7f39bb653dc8f964b73b095), ROM_BIOS(1))
ROM_SYSTEM_BIOS(1, "rev291", "Rev 2.9.1")
ROMX_LOAD( "sun3_460_v2.9.1_0", 0x00000, 0x10000, CRC(d62dbf09) SHA1(4a6b5fd7840b44fe93c9058a8973d8dd3c9f7d24), ROM_BIOS(2))
ROMX_LOAD( "sun3_460_v2.9.1_1", 0x10000, 0x10000, CRC(3b5a5942) SHA1(ed6250e3c07d7cb62d4dd517a8637c8d37e16dc5), ROM_BIOS(2))
ROM_END
/* Driver */
/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */
COMP( 198?, sun3_50, 0, 0, sun3, sun3, driver_device, 0, "Sun Microsystems", "Sun 3/50", GAME_NOT_WORKING | GAME_NO_SOUND) // Model 25
COMP( 198?, sun3_60, 0, 0, sun3, sun3, driver_device, 0, "Sun Microsystems", "Sun 3/60", GAME_NOT_WORKING | GAME_NO_SOUND) // Ferrari
COMP( 198?, sun3_110, 0, 0, sun3, sun3, driver_device, 0, "Sun Microsystems", "Sun 3/110", GAME_NOT_WORKING | GAME_NO_SOUND) // Prism
COMP( 198?, sun3_150, 0, 0, sun3, sun3, driver_device, 0, "Sun Microsystems", "Sun 3/75/140/150/160/180", GAME_NOT_WORKING | GAME_NO_SOUND) // AKA Carrera
COMP( 198?, sun3_260, 0, 0, sun3, sun3, driver_device, 0, "Sun Microsystems", "Sun 3/260/280", GAME_NOT_WORKING | GAME_NO_SOUND) // Prism
COMP( 198?, sun3_e, 0, 0, sun3, sun3, driver_device, 0, "Sun Microsystems", "Sun 3/E", GAME_NOT_WORKING | GAME_NO_SOUND) // Polaris
COMP( 198?, sun3_80, 0, 0, sun3_80, sun3, driver_device, 0, "Sun Microsystems", "Sun 3x/80", GAME_NOT_WORKING | GAME_NO_SOUND) // Hydra
COMP( 198?, sun3_460, 0, 0, sun3_460, sun3, driver_device, 0, "Sun Microsystems", "Sun 3x/460/470/480", GAME_NOT_WORKING | GAME_NO_SOUND) // Pegasus
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