The MEK6800D2 was a development board for the Motorola 6800 microprocessor, produced by Motorola in 1976. It featured a keyboard with hexadecimal keys and an LED display, but also featured an RS-232 asynchronous serial interface for a Teletype or other terminal. Data and programs could be loaded from and saved to an audio cassette tape. There was an on-board monitor program called JBUG (analogous to an operating system on a modern computer) fitted in a 1K byte ROM, and the maximum RAM capacity on board was 512 bytes, but this could be expanded via the Motorola EXORciser computer bus interface.
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| - MEK6800D2 (de)
- MEK6800D2 (en)
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| - Das MEK6800D2 ist ein Mikroprozessor-Entwicklungsboard von Motorola.Es erschien im Jahre 1976 und hatte die folgende Ausstattung:
* CPU Motorola 6800
* RAM 3×128 Byte 6810, von denen man nur 256 Byte benutzen konnte
* 1 KByte ROM 6830
* 6 * 7-Segment-Anzeige
* Hexadezimal Tastatur 0–9 und A–F Diese Art von Systemen gab es bis in die 1980er Jahre hinein. Sie wurden für viele Prozessoren gebaut.Bis zum Erscheinen der Heimcomputer war es die Möglichkeit, für wenig Geld einen Einstieg in die Mikroprozessortechnik zu bekommen. (de)
- The MEK6800D2 was a development board for the Motorola 6800 microprocessor, produced by Motorola in 1976. It featured a keyboard with hexadecimal keys and an LED display, but also featured an RS-232 asynchronous serial interface for a Teletype or other terminal. Data and programs could be loaded from and saved to an audio cassette tape. There was an on-board monitor program called JBUG (analogous to an operating system on a modern computer) fitted in a 1K byte ROM, and the maximum RAM capacity on board was 512 bytes, but this could be expanded via the Motorola EXORciser computer bus interface. (en)
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| - Das MEK6800D2 ist ein Mikroprozessor-Entwicklungsboard von Motorola.Es erschien im Jahre 1976 und hatte die folgende Ausstattung:
* CPU Motorola 6800
* RAM 3×128 Byte 6810, von denen man nur 256 Byte benutzen konnte
* 1 KByte ROM 6830
* 6 * 7-Segment-Anzeige
* Hexadezimal Tastatur 0–9 und A–F Es wurde entwickelt, um sich mit dem Mikroprozessor 6800 vertraut zu machen. Mit dem Monitorprogramm „JBUG“ konnte man Maschinencode in den RAM-Bereich schreiben und den Code ausführen. So war man in der Lage, ohne das Brennen von EPROMs, welches zu dieser Zeit noch sehr aufwändig war, Maschinenprogramme zu schreiben und auszuprobieren. Diese Art von Systemen gab es bis in die 1980er Jahre hinein. Sie wurden für viele Prozessoren gebaut.Bis zum Erscheinen der Heimcomputer war es die Möglichkeit, für wenig Geld einen Einstieg in die Mikroprozessortechnik zu bekommen. (de)
- The MEK6800D2 was a development board for the Motorola 6800 microprocessor, produced by Motorola in 1976. It featured a keyboard with hexadecimal keys and an LED display, but also featured an RS-232 asynchronous serial interface for a Teletype or other terminal. Data and programs could be loaded from and saved to an audio cassette tape. There was an on-board monitor program called JBUG (analogous to an operating system on a modern computer) fitted in a 1K byte ROM, and the maximum RAM capacity on board was 512 bytes, but this could be expanded via the Motorola EXORciser computer bus interface. The hardware consisted of two circuit boards. The keyboard-display module contained a 16 key (hexadecimal) data entry section, and eight function keys labeled M, E, R, G, V, N, L, and Pl along with a 6 hex digit LED display. The keyboard-display board connected to the microcomputer module by a 50-conductor ribbon cable. There was also a parallel bus interface for general purpose I/O. Another popular monitor program for this system is called MIKBUG. (en)
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