📋 Instruction Decoder▾
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Mode: CGA 80×25 TextCursor: 0000POWER
I/O Port Log
Welcome! This emulates a circa-1981 IBM PC with the full original chipset: Intel 8088 CPU, 8253 PIT, 8259A PIC, 8237A-5 DMA, 8255A-5 PPI, MC6845 CRTC (CGA/MDA), and 8272A FDC.
A minimal stub BIOS is built-in. Upload a floppy disk image (.img, .bin, or any file) to boot from, or just step through the BIOS.
Tip: Upload a floppy image via the toolbar, then click Run!