ALTAIR 8800 EMULATOR

Intel 8080 CPU • 64KB RAM • Full Instruction Set

INTE
PROT
MEMR
INP
MI
OUT
HLTA
STACK
WO
INT
STATUS
WAIT
HLDA
A15
A14
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
D7
D6
D5
D4
D3
D2
D1
D0
SENSE SW.
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
OFF
STOP
RUN
RUN
STEP
EXAM
EX.NXT
DEP
DP.NXT
RESET
MITSALTAIR 8800 COMPUTER
Speed:Fast (2K/frame)

Use the front panel controls above to interact with the computer.

1. Load a program via the Upload tab or use an example

2. Click RUN to execute, STOP to halt

3. Use EXAMINE to view memory at switch address

4. Use DEPOSIT to write switch value to current address

Tip: Toggle switches set address/data values (MSB left, LSB right)

CPU STATE
A00
F00
B00
C00
D00
E00
H00
L00
SP0000
PC0000
S
Z
A
P
C
DISASSEMBLY
0000: NOP
0001: NOP
0002: NOP
0003: NOP
0004: NOP
0005: NOP
0006: NOP
0007: NOP
Cycles: 0 | IPS: 0