IBM
Personal Computer
FULL 1MB • MCB FIX v2
8088
8086
OFF
Drive Bays
Floppy A:
⬇ Insert Disk
Any format
Floppy B:
⬇ Insert Disk
Any format
Hard Drive C:
⬇ Insert Disk
Any format
Display
green
amber
color
Bright
Contrast
Memory Map
Total: 1,048,576 bytes
Conv: 640K (0-9FFFF)
Video: B8000-BFFFF
BIOS: F0000-FFFFF
MCB Start: 0060h
MCB Size: 9F9Fh para
LoL: 0050:0026
✓ 1MB allocated
✓ Config fix active
⏻ POWER
↻ RESET
🐢 4.77MHz
⏸ PAUSE
⏭ STEP
NMI
▶ Memory Viewer (Full 1MB Address Space)
CPU Status
8088
Intel 8088
8-bit bus
Power on to see registers
Architecture
Bus: 8-bit
Total: 1,048,576 bytes
Conv. RAM: 640K
Video: CGA @ B8000h
IVT: 256 @ 0000h
BDA: @ 0040:0000
MCB: @ 0060:0000
LoL: @ 0050:0026
✓ Full 1MB memory
✓ MCB chain 0060→A000
✓ BDA=640K verified
✓ INT 12h = 640K
✓ AH=48h/49h/4Ah
IBM PC 5150 — 8086/8088 CPU Emulator
—
1MB memory • MCB fix v2
—
640K conventional
Full 1MB (1,048,576 bytes) allocated. MCB chain: 0060h→A000h. BDA reports 640K. LoL at 0050:0026.
Remix on Berrry