- An 8251 USART next the 8255 PPI. Apparently it is used for the keyboard interfacing
- BIOS size 16 KiB, two 2764 EPROMs
- All numeric values are in hexadecimal
Sergey Kiselev skiselev
skiselev
/ Ericsson_PC.md
Last active
March 23, 2024 00:40
Ericsson PC - BIOS / Keyboard Interface Reverse-Engineering
skiselev
/ diamonds.asm
Created
December 26, 2023 18:22
Vintage Computing Christmas Challenge 2023 - ASCII Art Diamonds
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| ; DIAMONDS.ASM - PRINT DIAMONDS ON THE CONSOLE | |
| ; VINTAGE COMPUTING CHRISTMAS CHALLENGE 2023 (VC3 2023) | |
| ; WRITTEN BY SERGEY KISELEV <SKISELEV@GMAIL.COM> | |
| ; | |
| ; RUNS ON CP/M SYSTEMS WITH INTEL 8080, ZILOG Z80 | |
| ; AND COMPATIBLE PROCESSORS | |
| ; | |
| ; BUILDING AND RUNNIG STEPS: | |
| ; A>ASM DIAMONDS | |
| ; A>LOAD DIAMONDS |
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| ; STARP.ASM - PRINT CHRISTMAS STAR ON THE CONSOLE | |
| ; VINTAGE COMPUTING CHRISTMAS CHALLENGE 2022 (VC3 2022) | |
| ; WRITTEN BY SERGEY KISELEV <SKISELEV@GMAIL.COM> | |
| ; | |
| ; RUNS ON CP/M SYSTEMS WITH INTEL 8080, ZILOG Z80 | |
| ; AND COMPATIBLE PROCESSORS | |
| ; | |
| ; BUILDING AND RUNNIG STEPS: | |
| ; A>ASM STARP | |
| ; A>LOAD STARP |
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| ; SNWFLK.ASM - PRINT CHRISTMAS STAR ON THE CONSOLE | |
| ; WRITTEN BY SERGEY KISELEV <SKISELEV@GMAIL.COM> | |
| ; | |
| ; RUNS ON CP/M SYSTEMS WITH INTEL 8080, ZILOG Z80 | |
| ; AND COMPATIBLE PROCESSORS | |
| ; | |
| ; BUILDING AND RUNNIG STEPS: | |
| ; A>ASM SNWFLK | |
| ; A>LOAD SNWFLK | |
| ; A>SNWFLK |