Altair 8800 Emulator

Intel 8080 CPU • 64KB RAM • Albuquerque, NM circa 1975

STATUS
INTE
MEMR
MI
OUT
HLTA
STACK
WO
INT
WAIT
HLDA
ADDRESS
A15
A14
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
DATA
D7
D6
D5
D4
D3
D2
D1
D0
SENSE / ADDRESS / DATA SWITCHES
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
SW: 0000h (0)
◆ STOPPEDPC: 0000[00]

CPU REGISTERS

A
00
F
02
B
00
C
00
D
00
E
00
H
00
L
00
SP
0000
PC
0000
S:0
Z:0
A:0
P:0
C:0
0000: NOP
Cycles: 0 | Instructions: 0

DISASSEMBLY

0000: NOP
0001: NOP
0002: NOP
0003: NOP
0004: NOP
0005: NOP
0006: NOP
0007: NOP
0008: NOP
0009: NOP
000a: NOP
000b: NOP

HISTORY

Step to see history...

MEMORY

000000000000000000000000000000000000................
001000000000000000000000000000000000................
002000000000000000000000000000000000................
003000000000000000000000000000000000................
004000000000000000000000000000000000................
005000000000000000000000000000000000................
006000000000000000000000000000000000................
007000000000000000000000000000000000................
008000000000000000000000000000000000................
009000000000000000000000000000000000................
00a000000000000000000000000000000000................
00b000000000000000000000000000000000................
00c000000000000000000000000000000000................
00d000000000000000000000000000000000................
00e000000000000000000000000000000000................
00f000000000000000000000000000000000................

SERIAL TERMINAL

_ Ready. Type to input, chars buffered for IN port 00h.
Input buffer: 0 chars | Port 00h=data, 01h=status

CONTROLS

⬆
Drop ROM/binary here or click to upload
Loads raw bytes to address 0x0000
Sample Programs:

Type on keyboard to feed serial input. Use sample programs or upload your own 8080 binaries.

Remix on Berrry