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- SAPI-1 abstract "The SAPI-1 was a computer produced in the former Czechoslovakia by Tesla since 1980.It was designed by Eduard Smutný (hardware) and his brother Tomáš Smutný (software), and based on the Intel 8080/2 MHz clone (and later Z80). The SAPI-86 was also developed as a 8086 clone of the PC.The SAPI-1 had a modular construction with modules:JPR-1 - processor board based on MHB 8080 processor, 1 KB SRAM, 4 KB ROM modules and 6 IO portsJPR-1Z - processor board based on Z80 processorARB-1 - bus unitJZS-1 - power supply with rackANK-1 - non smart, no ergonomic membrane keyboard (compatible with Sinclair ZX-80 and ZX-81)REM-1 - extension board with EPROM and SRAM modulesAND-1 - alfanumeric video adapter, 40 columns x 24 rows, black and white with 2 KBytes of video buffer at 3800AND-1A - alfanumeric video adapter, 40 columns x 24 rows, black and white with 2 KBytes of video buffer at E800RAM-1 - board of 32 KB of dynamic RAMDSM-1 - modem and serial interface (based on MHB 1012 UART) used to communication with tape recorderBDK-1 - universal developer boardDPP-1 - parallel port board (based on two MHB 8255 chips)DGD-1 - B/W graphic video adapter - requires second monitor, cannot output to monitor connected to AND-1RPD-1 - floppy disk controller, due to its complexity (discrete glue logic) was built on two boards connected by cable. This came very late.3 versions of SAPI-1 were produced:SAPI-1 ZPS 1 (základní průmyslová sestava - basic industrial set):integer Micro-Basic was stored in ROM, as well as simple machine code monitor, tape was used as main storage device, using single block recording.SAPI-1 ZPS 2:MIKOS (mikro kazetový operační systém - micro cassette operating system) with better machine code monitor was stored in ROM, any other programming language was loaded from tape, using blocks of 255 data bytes.SAPI-1 ZPS 3:ROM contains CP/M booting sequence, CP/M is booting from 8" Shugart floppy disk drives. Position of VideoRAM was moved from 3800 to E800 to allow CP/M running.The "Z" version of SAPI-1 ZPS 3 used Z80 processor clone instead of 8080 clone, video with 64 characters per line instead of 40.".
- SAPI-1 wikiPageID "9267238".
- SAPI-1 wikiPageRevisionID "581022109".
- SAPI-1 hasPhotoCollection SAPI-1.
- SAPI-1 subject Category:Early_microcomputers.
- SAPI-1 comment "The SAPI-1 was a computer produced in the former Czechoslovakia by Tesla since 1980.It was designed by Eduard Smutný (hardware) and his brother Tomáš Smutný (software), and based on the Intel 8080/2 MHz clone (and later Z80).".
- SAPI-1 label "SAPI-1".
- SAPI-1 sameAs m.02829ky.
- SAPI-1 sameAs Q7388696.
- SAPI-1 sameAs Q7388696.
- SAPI-1 wasDerivedFrom SAPI-1?oldid=581022109.
- SAPI-1 isPrimaryTopicOf SAPI-1.