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Add DRAC-1, an AIM 65 clone from Comelta #12368

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0384b3f
Add DRAC-1, an AIM 65 clone from Comelta
clawgrip May 13, 2024
98a2649
Fix hash for CR-125 expansion card
clawgrip May 13, 2024
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1 change: 1 addition & 0 deletions src/mame/mame.lst
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Original file line number Diff line number Diff line change
Expand Up @@ -38535,6 +38535,7 @@ z9001 //

@source:rockwell/aim65.cpp
aim65 // Rockwell AIM65
drac1 // Comelta DRAC-1

@source:rockwell/aim65_40.cpp
aim65_40 // Rockwell AIM65/40
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88 changes: 85 additions & 3 deletions src/mame/rockwell/aim65.cpp
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Expand Up @@ -43,7 +43,6 @@ static constexpr XTAL AIM65_CLOCK(4_MHz_XTAL / 4);
ADDRESS MAPS
***************************************************************************/

// Note: RAM is mapped dynamically in machine/aim65.c
void aim65_state::mem_map(address_map &map)
{
map(0x1000, 0x3fff).noprw(); // User available expansions
Expand Down Expand Up @@ -300,28 +299,111 @@ void aim65_state::aim65(machine_config &config)
SOFTWARE_LIST(config, "cart_list").set_original("aim65_cart");
}

void aim65_state::drac1(machine_config &config)
{
aim65(config);

/* Expansion boards.
Not currently emulated. */

/*
CR-113E expansion board: Video Control Module.
-1 x R6520
-1 x HD46505
-2 x EPROM
https://www.oldcomputers.es/wp-content/uploads/CR-113.pdf
*/
PIA6821(config, "pia_cr113e"); // R6520
//SCREEN(config, "screen_cr113e", SCREEN_TYPE_RASTER).set_refresh_hz(50).set_screen_update(...);
//HD6845S(config, "crtc_cr113e", AIM65_CLOCK).set_screen("screen_cr113e"); // Hitachi HD46505, unknown clock

/*
CR-119C expansion board: RAM/ROM/PROM Memory Expansion.
-6 x D4016C-2
-1 x 4 dip switches bank
-2 x EPROM
https://www.oldcomputers.es/wp-content/uploads/CR-119.pdf
*/

/*
CR-120D.E expansion board: EPROM Programmer Module.
-2 x R6520
-1 x 4 dip switches bank
-1 x EPROM
https://www.oldcomputers.es/wp-content/uploads/CR-120.pdf
https://www.oldcomputers.es/wp-content/uploads/CR-120-2.pdf
*/
PIA6821(config, "pia1_cr120d"); // R6520
PIA6821(config, "pia2_cr120d"); // R6520

/*
CR-125 expansion board: Floppy Control Card.
-1 x R6503P ()
-2 x R6522P
-1 x FD1791A
-1 x 4 dip switches bank
-1 x EPROM
-1 x floppy connector
https://www.oldcomputers.es/wp-content/uploads/CR-125.pdf
*/
MOS6522(config, "via1_cr125", AIM65_CLOCK); // R6522P, unknown clock
MOS6522(config, "via2_cr125", AIM65_CLOCK); // R6522P, unknown clock
FD1791(config, "fdc_cr125", AIM65_CLOCK); // FD1791A, unknown clock
//FLOPPY_CONNECTOR(...)
M6503(config, "cpu_cr125", AIM65_CLOCK);
Comment on lines +306 to +353
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If these are expansions and not fixed parts of the system, they should be in card devices rather than the machine itself. From what I understand, this system uses a standard AIM 65 logic board, and the expansion box connects to the J3 expansion connector, which is present on all AIM 65 systems, and just not emulated.

From looking at the AIM 65 manual, the expansion connector J3 seems to expose the 6502 bus directly, with the same pinout as the KIM-1 expansion connector B.

From looking at the schematic of the CR 113 board in the manual, it seems to use a different pinout to the J3 connector on the logic board, so I guess the card connectors in the DRAC-1 expansion box have the signals from the J3 expansion connector rearranged.

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I'll just add then the DRAC-1 as another BIOS, and I'd appreciate if someone else will preserve somehow the other dumps as devices. Take into account that DRAC-1 uses a backplane so multiple expansion cards may be connected simultaneously, don't know if this feature is supported for the AIM 65 devices...
I'll have a look at the DRAC-1 BASIC, as it seems different than the regular Extended BASIC.

Thanks!

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Can you leave this open as a reminder? Eventually someone will pick it up, like the Super Game Module from #10816 was done as a proper slot device in ad7fdda.

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Yes! Opened a separate PR, #12387

}


/***************************************************************************
ROM DEFINITIONS
***************************************************************************/

ROM_START( aim65 )
ROM_REGION(0x10000, "maincpu", 0)
ROM_SYSTEM_BIOS(0, "aim65", "Rockwell AIM-65")
ROM_SYSTEM_BIOS(0, "aim65", "Rockwell AIM-65")
ROMX_LOAD("aim65mon.z23", 0xe000, 0x1000, CRC(90e44afe) SHA1(78e38601edf6bfc787b58750555a636b0cf74c5c), ROM_BIOS(0))
ROMX_LOAD("aim65mon.z22", 0xf000, 0x1000, CRC(d01914b0) SHA1(e5b5ddd4cd43cce073a718ee4ba5221f2bc84eaf), ROM_BIOS(0))
ROM_SYSTEM_BIOS(1, "dynatem", "Dynatem AIM-65")
ROM_SYSTEM_BIOS(1, "dynatem", "Dynatem AIM-65")
ROMX_LOAD("dynaim65.z23", 0xe000, 0x1000, CRC(90e44afe) SHA1(78e38601edf6bfc787b58750555a636b0cf74c5c), ROM_BIOS(1))
ROMX_LOAD("dynaim65.z22", 0xf000, 0x1000, CRC(83e1c6e7) SHA1(444134043edd83385bd70434cb100269901c4417), ROM_BIOS(1))
ROM_SYSTEM_BIOS(2, "spc100", "Siemens PC100")
ROMX_LOAD("pc100.z23", 0xe000, 0x1000, CRC(90e44afe) SHA1(78e38601edf6bfc787b58750555a636b0cf74c5c), ROM_BIOS(2))
ROMX_LOAD("pc100.z22", 0xf000, 0x1000, CRC(aa07742a) SHA1(3b9bee24a00cf23b7b50cee97ccc12e3fa9da1ea), ROM_BIOS(2))
ROM_END

/* DRAC/DRAC-1 is an industrial control computer from the Spanish company Comelta (more info: https://www.oldcomputers.es/drac-1/).
It's based on a standard Rockwell AIM 65 PCB, but can be expanded with several cards and accessories made by Comelta, from CPU and
memory modules to control or interface cards (more info and manuals with schematics: https://www.oldcomputers.es/drac-1-placas-cr/).
*/
ROM_START( drac1 )
ROM_REGION(0x10000, "maincpu", 0)
ROM_LOAD("crosaim_v1.3_b_mone_2b_moni_01_e000.z23", 0xe000, 0x1000, CRC(ae83ba08) SHA1(4ee4157fe6cafda6c763547183be18859bdabc36))
ROM_LOAD("crosaim_v1.3_b_monf_2b_f000.z22", 0xf000, 0x1000, CRC(047c2ca8) SHA1(1877be29f7b725ee4fec7f21aa679d857391514b))

/* Expansion boards.
Just a placeholder for ROMs until they're properly emulated. */

ROM_REGION(0x2000, "cr113e", 0) // CR-113E expansion board: Video Control Module
ROM_LOAD("cr113_chargen_b_4-2-83.bin", 0x0000, 0x1000, CRC(70b468ff) SHA1(a078f9355c9ffb6cb4682f5a6218a75fe1d42f74))
ROM_LOAD("cr113_dr_60-15_8000.bin", 0x1000, 0x0800, CRC(ccc0fb97) SHA1(f98c919f10a479c0e56aa10d0917c84cac5a5f85))

// On the dumped machine, CR-119C was populated with these EPROMs, but other software can be loaded with it too
ROM_REGION(0x2000, "cr119c", 0) // CR-119C expansion board: RAM/ROM/PROM Memory Expansion
ROM_LOAD("cr119_crosaim_v1.5_dos_23b_5800.bin", 0x0000, 0x0800, CRC(e3e26661) SHA1(77ffe672fa6d91a48b411e0bbd66d98ca45016c2))
ROM_LOAD("cr119_bd0_b69_6000.bin", 0x1000, 0x0800, CRC(10de463d) SHA1(36a5e44f705f1d34e792338005dd13525aab95ad))

ROM_REGION(0x0800, "cr120d", 0) // CR-120D expansion board: EPROM Programmer Module
ROM_LOAD("cr120_crosaim_v-b_120_ve-c_7000.bin", 0x0000, 0x0800, CRC(09840652) SHA1(ad9ae4cbdcb86e749d8a385ec6334e97d37ef0d4))

ROM_REGION(0x0800, "cr125", 0) // CR-125 expansion board: Floppy Control Card
ROM_LOAD("cr125_v94_800.bin", 0x0000, 0x0800, CRC(f0fddc5a) SHA1(d7e927c5f177977a7032b8dddeb17a217fcb3fdd))
ROM_END


/***************************************************************************
GAME DRIVERS
***************************************************************************/

// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS
COMP(1977, aim65, 0, 0, aim65, aim65, aim65_state, empty_init, "Rockwell", "AIM 65", MACHINE_SUPPORTS_SAVE | MACHINE_NO_SOUND_HW)
COMP(1982, drac1, aim65, 0, drac1, aim65, aim65_state, empty_init, "Comelta", "DRAC-1", MACHINE_SUPPORTS_SAVE | MACHINE_NO_SOUND_HW)
10 changes: 10 additions & 0 deletions src/mame/rockwell/aim65.h
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Expand Up @@ -14,14 +14,23 @@

#include "bus/generic/carts.h"
#include "bus/generic/slot.h"

#include "cpu/m6502/m6502.h"
#include "cpu/m6502/m6503.h"

#include "imagedev/cassette.h"

#include "bus/rs232/rs232.h"

#include "machine/6522via.h"
#include "machine/6821pia.h"
#include "machine/wd_fdc.h"
#include "machine/mos6530.h"
#include "machine/ram.h"

#include "video/dl1416.h"
#include "video/mc6845.h"

#include "emupal.h"
#include "screen.h"

Expand Down Expand Up @@ -64,6 +73,7 @@ class aim65_state : public driver_device
}

void aim65(machine_config &config);
void drac1(machine_config &config);

DECLARE_INPUT_CHANGED_MEMBER(reset_button);

Expand Down