yann64andClaude Opus 5.5
b274874139
1,289 discussions, 9,527 archived comments; pages no longer carry the comments themselves. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01YDRjtmAiNpo5mK5N3d7QwZ
97 lines
3.7 KiB
Markdown
97 lines
3.7 KiB
Markdown
---
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title: Lobo Drives International MAX-80
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categories:
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- Computers
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types:
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- Professional Computer
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origins:
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- U.S.A.
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years:
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- '1982'
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cpus:
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- Z80-B
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params:
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name: MAX-80
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image: /media/museum/photos/lobo_max80_system_1.jpg
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company: /companies/lobo-drives-international
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company_name: Lobo Drives International
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specs:
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- label: NAME
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value: MAX-80
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- label: MANUFACTURER
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value: Lobo Drives International
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- label: TYPE
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value: Professional Computer
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- label: ORIGIN
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value: U.S.A.
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- label: YEAR
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value: '1982'
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- label: BUILT IN LANGUAGE
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value: None
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- label: KEYBOARD
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value: Full-stroke 76 keys with numeric keypad
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- label: CPU
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value: Z80-B
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- label: SPEED
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value: 5 Mhz.
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- label: RAM
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value: 64 KB expandable to 128 KB
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- label: ROM
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value: Unknown
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- label: TEXT MODES
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value: |-
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64 columns x 16 or 32 lines for TRS-80 mode\
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80 columns x 25 lines for CP/M mode (or a special LDOS mode)
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- label: GRAPHIC MODES
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value: None
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- label: COLORS
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value: Monochrome
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- label: SOUND
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value: Beeper
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- label: SIZE / WEIGHT
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value: Unknown
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- label: I/O PORTS
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value: F.D.D. interface (3.5'', 5.25'' and 8''), H.D.D. interface (ST-406/512), Parallel Centronics, 2 x Serial RS-232C
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- label: OS
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value: LDOS 5.3.1, CP/M-80 version 2.2 (60K) and 3 (CP/M Plus)
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- label: POWER SUPPLY
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value: Built-in power supply
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- label: PRICE
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value: $820
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tabs:
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- photos
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- adverts
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forum_thread: 612
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photos:
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- title: LOBO PRICE LIST
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subtitle: ''
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text: December 1982 price list
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image: /media/museum/photos/lobo_max80_pricelist_1.jpg
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adverts:
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- title: US AD. MAY 1983
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subtitle: ''
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text: |-
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Advert said:
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Before you start hunting from store to store for the ideal microcomputer, consider this: You won't find it.\
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That's because the world's most versatile micro is available only from the manufacturer. It's Lobo MAX-80 And, dollar for dollar, feature for feature, there isn't another system that even comes close....
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image: /media/museum/pubs/lobo_max80_pub_1.jpg
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oc_id: 625
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source:
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url: https://web.archive.org/web/20230604041049/http://www.old-computers.com/museum/computer.asp?c=625
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date: '2023-06-04'
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---
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Max-80 has been, along with the [LNW-80](/museum/lnw-research-lnw-80/), one of the two major [Tandy TRS-80 Mod. III](/museum/tandy-radio-shack-trs-80-model-iii/) compatible computers.
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It could run LDOS TRS-80 software three times faster. Nevertheless numerous internal differences made it incompatible as far as hardware was concerned: serial and parallel ports, disk interface and no tape connector.
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The system also ran CP/M operating system. the early versions were shipped with 2.2 version, next ones with version 3. It could accept any 5" or 8" disk units of any capacity, including the new and rare (at that time) Sony 3.5" units.
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---
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More information by **Clarence Perry**:\
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I purchased a Max 80 in 83 with LDOS. The Max 80 did not have a boot rom like the TRS80. It was basically a CPM machine which didn't require much in ROM and loaded everything from disk.\
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LDOS for the MAX 80 had a version of the model 1 basic rom as a disk file which had to be loaded into low memory during boot. My hat is off to the guys who wrote & documented LDOS because it still stands as one of the finest pieces of computer documentation I have seen.\
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I did some assembler work on the Max80. I posted a task switcher on Compuserve that switched between different LDOS sessions running different applications with a key combination. The source was there also. It was pretty easy to do due to the memory arrangement. That was also enough of a taste to decide I never again wanted to do assembler.
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