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author | 2012-08-21 10:41:19 +0000 | |
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committer | 2012-08-21 10:41:19 +0000 | |
commit | 7285b359d259b2ae0fdf85096571c386ec8c991a (patch) | |
tree | a027aff57f1a255f9ec6cfd3b68cabe4b6683998 /src/mess/machine/s1410.c | |
parent | 67c425e90757876a6716b7867df30c0149912e74 (diff) |
Merge of MESS sources (no whatsnew)
Diffstat (limited to 'src/mess/machine/s1410.c')
-rw-r--r-- | src/mess/machine/s1410.c | 227 |
1 files changed, 227 insertions, 0 deletions
diff --git a/src/mess/machine/s1410.c b/src/mess/machine/s1410.c new file mode 100644 index 00000000000..c25d46a8629 --- /dev/null +++ b/src/mess/machine/s1410.c @@ -0,0 +1,227 @@ +/********************************************************************** + + Xebec S1410 5.25" Winchester Disk Controller emulation + + Copyright MESS Team. + Visit http://mamedev.org for licensing and usage restrictions. + +**********************************************************************/ + +/* + +Xebec S1410 + +PCB Layout +---------- + +ASSY 104527 REV E04 SN 127623 + +|-------------------------------------------| +| | +|CN1 | +| | +| | +|CN2 | +| XEBEC2 CN5| +| PROM 2114 | +|CN3 XEBEC1 2114 | +| | +|CN4 Z80 ROM | +| 20MHz 16MHz | +|-------------------------------------------| + +Notes: + Relevant IC's shown. + + Z80 - Zilog Z8400APS Z80A CPU + ROM - 2732 pinout ROM "XEBEC 104521G 2155008 M460949" + PROM - National Semiconductor DM74S288N "103911" 32x8 TTL PROM + 2114 - National Semiconductor NMC2148HN-3 1Kx4 RAM + XEBEC1 - Xebec 3198-0009 + XEBEC2 - Xebec 3198-0045 "T20" + CN1 - 4-pin Molex, drive power + CN2 - 34-pin PCB edge, ST-506 drive 0/1 control + CN3 - 2x10 PCB header, ST-506 drive 0 data + CN4 - 2x10 PCB header, ST-506 drive 1 data + CN5 - 2x25 PCB header, SASI host interface + + +ASSY 104766 REV C02 SN 231985P + +|-------------------------------------------| +| | +| CN1 SY2158 | +| CN7 CN6 | +| ROM | +| CN2 | +| XEBEC1 Z80 | +| CN5 | +| CN3 XEBEC2 20MHz XEBEC3 | +| | +| CN4 XEBEC4 XEBEC5 | +| | +|-------------------------------------------| + +Notes: + Relevant IC's shown. + + Z80 - Zilog Z8400APS Z80A CPU + ROM - 2732 pinout ROM "104788D" + SY2158 - Synertek SY2158A-3 1Kx8 RAM + XEBEC1 - Xebec 3198-0046N8445 + XEBEC2 - Xebec 3198-0009 + XEBEC3 - Xebec 3198-0057 + XEBEC4 - Xebec 3198-0058 + XEBEC5 - Xebec 3198-0056 + CN1 - 4-pin Molex, drive power + CN2 - 34-pin PCB edge, ST-506 drive 0/1 control + CN3 - 2x10 PCB header, ST-506 drive 0 data + CN4 - 2x10 PCB header, ST-506 drive 1 data + CN5 - 2x25 PCB header, SASI host interface + CN6 - 2x8 PCB header + CN7 - 2x10 PCB header (test only) + +*/ + + +#include "emu.h" +#include "s1410.h" +#include "cpu/z80/z80.h" +#include "machine/devhelpr.h" + + + +//************************************************************************** +// MACROS / CONSTANTS +//************************************************************************** + +#define Z8400A_TAG "z80" + + + +//************************************************************************** +// DEVICE DEFINITIONS +//************************************************************************** + +const device_type S1410 = &device_creator<s1410_device>; + +//------------------------------------------------- +// device_config_complete - perform any +// operations now that the configuration is +// complete +//------------------------------------------------- + +void s1410_device::device_config_complete() +{ + m_shortname = "s1410"; +} + + +//------------------------------------------------- +// ROM( s1410 ) +//------------------------------------------------- + +ROM_START( s1410 ) + ROM_REGION( 0x1000, Z8400A_TAG, 0 ) + ROM_LOAD( "104521f", 0x0000, 0x1000, CRC(305b8e76) SHA1(9efaa53ae86bc111bd263ad433e083f78a000cab) ) + ROM_LOAD( "104521g", 0x0000, 0x1000, CRC(24385115) SHA1(c389f6108cd5ed798a090acacce940ee43d77042) ) + ROM_LOAD( "104788d", 0x0000, 0x1000, CRC(2e385e2d) SHA1(7e2c349b2b6e95f2134f82cffc38d86b8a68390d) ) + + ROM_REGION( 0x20, "103911", 0 ) + ROM_LOAD( "103911", 0x00, 0x20, NO_DUMP ) // DM74S288N +ROM_END + + +//------------------------------------------------- +// rom_region - device-specific ROM region +//------------------------------------------------- + +const rom_entry *s1410_device::device_rom_region() const +{ + return ROM_NAME( s1410 ); +} + + +//------------------------------------------------- +// ADDRESS_MAP( s1410_mem ) +//------------------------------------------------- + +static ADDRESS_MAP_START( s1410_mem, AS_PROGRAM, 8, s1410_device ) + AM_RANGE(0x0000, 0x0fff) AM_ROM AM_REGION(Z8400A_TAG, 0) + AM_RANGE(0x1000, 0x13ff) AM_RAM +ADDRESS_MAP_END + + +//------------------------------------------------- +// ADDRESS_MAP( s1410_io ) +//------------------------------------------------- + +static ADDRESS_MAP_START( s1410_io, AS_IO, 8, s1410_device ) + ADDRESS_MAP_GLOBAL_MASK(0xff) + AM_RANGE(0x66, 0x66) AM_WRITENOP + AM_RANGE(0x67, 0x67) AM_WRITENOP + AM_RANGE(0x68, 0x68) AM_READNOP + AM_RANGE(0x69, 0x69) AM_WRITENOP + AM_RANGE(0x6a, 0x6a) AM_WRITENOP + AM_RANGE(0x6b, 0x6b) AM_WRITENOP + AM_RANGE(0x6c, 0x6c) AM_WRITENOP + AM_RANGE(0xa0, 0xa0) AM_NOP + AM_RANGE(0xc1, 0xc1) AM_WRITENOP + AM_RANGE(0xc2, 0xc2) AM_WRITENOP + AM_RANGE(0xc3, 0xc3) AM_WRITENOP +ADDRESS_MAP_END + +//------------------------------------------------- +// MACHINE_DRIVER( s1410 ) +//------------------------------------------------- + +static MACHINE_CONFIG_FRAGMENT( s1410 ) + MCFG_CPU_ADD(Z8400A_TAG, Z80, XTAL_16MHz/4) + MCFG_CPU_PROGRAM_MAP(s1410_mem) + MCFG_CPU_IO_MAP(s1410_io) + MCFG_DEVICE_DISABLE() +MACHINE_CONFIG_END + + +//------------------------------------------------- +// machine_config_additions - device-specific +// machine configurations +//------------------------------------------------- + +machine_config_constructor s1410_device::device_mconfig_additions() const +{ + return MACHINE_CONFIG_NAME( s1410 ); +} + + + +//************************************************************************** +// LIVE DEVICE +//************************************************************************** + +//------------------------------------------------- +// s1410_device - constructor +//------------------------------------------------- + +s1410_device::s1410_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) + : device_t(mconfig, S1410, "Xebec S1410", tag, owner, clock) +{ +} + + +//------------------------------------------------- +// device_start - device-specific startup +//------------------------------------------------- + +void s1410_device::device_start() +{ +} + + +//------------------------------------------------- +// device_reset - device-specific reset +//------------------------------------------------- + +void s1410_device::device_reset() +{ +} |