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nand2mario

@nand2mario • 3,199 subscribers

FPGA and retro gaming dev. Author of NESTang and SNESTang.

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A satisfying blinky demo, powered by my 8086 core executing the original 8086 microcode.

A satisfying blinky demo, powered by my 8086 core executing the original 8086 microcode.

38,459 Aufrufe

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Norton Commander running on the new 386 FPGA core 🧭 2.4 MHz sim speed... Interrupts, disk I/O, and VGA text mode are all up and running ✅ Now working on JemmEx extended memory manager - some protected mode corner cases remain. After that is actual FPGA. #386fpgacore

Norton Commander running on the new 386 FPGA core 🧭 2.4 MHz sim speed... Interrupts, disk I/O, and VGA text mode are all up and running ✅ Now working on JemmEx extended memory manager - some protected mode corner cases remain. After that is actual FPGA. #386fpgacore

79,021 Aufrufe • vor 3 Monaten

It works 🚀 First demo of the new #386fpgacore running on real FPGA hardware (Sipeed Tang Console 138K). VGA output, 3DBench, Norton Commander, and Turbo C all running. Still slow and buggy — but a lot of programs already work.

It works 🚀 First demo of the new #386fpgacore running on real FPGA hardware (Sipeed Tang Console 138K). VGA output, 3DBench, Norton Commander, and Turbo C all running. Still slow and buggy — but a lot of programs already work.

10,996 Aufrufe • vor 3 Monaten

First light! 🔥 ao486 boots DOS on the #TangConsole 138K. HDD, VGA, BIOS, and VGA BIOS are all up and running — watching it hit the DOS prompt on real hardware is surreal. #FPGA #RetroComputing 🎥👇

First light! 🔥 ao486 boots DOS on the #TangConsole 138K. HDD, VGA, BIOS, and VGA BIOS are all up and running — watching it hit the DOS prompt on real hardware is surreal. #FPGA #RetroComputing 🎥👇

15,343 Aufrufe • vor 9 Monaten

My 286-class CPU (real-mode only) is finally working in sim and we have PC-AT BIOS, VGA and IBM Basic working.😀 The CPU is written from scratch and uses a 5-stage pipeline, aiming to be fast enough to run early 90's games. The final core will be in between ao486 and PCXT_MiSTer.

My 286-class CPU (real-mode only) is finally working in sim and we have PC-AT BIOS, VGA and IBM Basic working.😀 The CPU is written from scratch and uses a 5-stage pipeline, aiming to be fast enough to run early 90's games. The final core will be in between ao486 and PCXT_MiSTer.

16,344 Aufrufe • vor 11 Monaten

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