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COMPAQ Presario desktop computer package includes coordinated COMPAQ 17 monitor and HP thermal inkjet printer. Computer features: AMD Athlon 1.67GHz processor, 256MB DDR RAM [expandable to 1GB], 40GB Ultra DMA hard drive, 32x/10x/40x CD-RW drive, 56K ITU V.90 modem with 10/100BT network interface. One-touch Internet keyboard, 2-button PS/2 mouse. Bundled software includes: Windows XP Home, HP RecordNow, Works 6.0, Money 2002, AntiVirus 2002. See printer model DJ3820 for further details. Speakers not included.
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(Redirected from AIM 65)
AIM-65
Comelta Drac-1
Comelta Drac-1 and expansion box
back of expansion box
The Rockwell AIM-65 computer was a development computer based on the MOS Technology 6502 microprocessor introduced in 1976. The AIM-65 was essentially an expanded KIM-1 computer. Available software included a monitor with line at a time assembler/disassembler, BASIC interpreter, assembler, Pascal, PL/65, and FORTH development system. Available hardware included a floppy disk controller and a backplane for expansion.
Standard software included the system console monitor software in ROM, called Advanced Interactive Monitor. It featured line assembler, disassembler, setting and viewing memory and registers, starting execution of other programs and more. Single stepping was made possible using non-maskable interrupt (NMI). The command prompt was the less-than sign “”. If the thermal printer was turned on, this would be output on a single line. The monitor included a number of service routines that could be accessed and used by a user’s program to control I/O and code execution, and was fully documented, including source code.
The machine featured dual cassette tape control. This made it possible to write large assembly programs using the two pass assembler ROM. Source code in text was written twice consecutively to the input tape, and then the assembler, which could start/stop the input cassette tape using motor control was invoked. During the first pass the symbol table was built and stored in RAM. During the second pass symbols would be translated and code written out to the second tape, also using start/stop motor control. Being able to avoid storing code in RAM made it possible to save much space. It was however, still important to keep the symbols list short since RAM size was often no more than 4 KB.
In 1981 Rockwell introduced an improved model with a 40 character display as the AIM-65/40.
MTU made a “Visible Memory” card in 1978 that worked with the KIM-1 and AIM-65 computers, providing raster graphics display capability. MTU also made the first real time music synthesizer for a microcomputer; it worked with the KIM-1 and AIM-65, and featured a DAC with software providing 4 voices of wavetable synthesis.
In Spain they were distributed by Comelta. This company made various card expansions:
CR-106 8 Kbytes of RAM
CR-119 RAM / ROM / PROM expansion
CR-120 Universal programming
CR-115 Microcassette controller(two units)
CR-113 Video controller
CR-401 Board Bus Extension(Standard S-64)
Comelta assembled all the options in a single box to produce a new computer, the Comelta Drac-1. The first prototype used microcassetes, but definitive versions have two 8″ floppy disk drives.
In 2003, some of these 27 year old computers were still in use controlling various displays and creatures at a high tech Halloween show near Alexandria, Virginia, U.S.A.
Contents
1 Technical specifications
2 Programming
3 References
4 External links
//
Technical specifications
Built in full sized QWERTY keyboard
20 character alphanumeric LED display (16 segments)
Integrated 20 character thermal printer
RS-232 serial interface
Expansion connector
Application connector with 6522 VIA chip
4 KB RAM
5 sockets for 4 KB ROM/EPROM chips
Programming
PL/65 was a programming language designed and implemented by Rockwell International for the AIM-65. It is based on a mix of ALGOL and PL/I, simplified where possible in order to adapt to the limited processing environment afforded by the 6502 (64k memory for instance).
References
^ “Manual for PL/65″ (Text). Motorola 680×0 Resources. http://linux.cis.monroeccc.edu/~paulrsm/6502/PL65MAN.TXT. Retrieved on June 23.
External links
http://www.oldcomputers.net/AIM-65.html
AIM-65 at Old Computer Museum
http://www.obsoletecomputermuseum.org/aim65/
http://www.old-computers.com/museum/computer.asp?st=1&c=58
Categories: Early microcomputers(and so on)
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