ALTAIR 8800 EMULATOR

Intel 8080 CPU • 64KB RAM • 88-DCDD Floppy Controller • CP/M 2.2

INTE
PROT
MEMR
INP
MI
OUT
HLTA
STACK
WO
INT
D7
D6
D5
D4
D3
D2
D1
D0
WAIT
HLDA
A15
A14
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
OFFON
STOP
▲
▼
RUN
SINGLE
▲
▼
STEP
EXAMINE
▲
▼
EX NEXT
DEPOSIT
▲
▼
DEP NEXT
RESET
▲
▼
CLR
MITSALTAIR 8800COMPUTER

88-DCDD FLOPPY DISK CONTROLLER

DRIVE A:
EMPTY
DRIVE B:
EMPTY
DRIVE C:
EMPTY
DRIVE D:
EMPTY
Controller Registers
Status (IN 08h): 10100001 = A1h
Sector (IN 09h): 00000001 = 01h
Drive: 0 | Head: UNLOADED
Track: 0 | Write: OFF
Speed:500K
○ POWER OFF○ STOPPED

SERIAL TERMINAL (88-2SIO @ 9600 baud)

CPU STATE

A: 00
B: 00
C: 00
D: 00
E: 00
H: 00
L: 00
SP: 0000
PC: 0000
S
Z
A
P
C
Next: NOP
Cycles: 0

LOAD PROGRAM

Load addr:

📁 Drop file here or click to upload

Sample Programs:

MEMORY

0000:00000000000000000000000000000000................
0010:00000000000000000000000000000000................
0020:00000000000000000000000000000000................
0030:00000000000000000000000000000000................
0040:00000000000000000000000000000000................
0050:00000000000000000000000000000000................
0060:00000000000000000000000000000000................
0070:00000000000000000000000000000000................
0080:00000000000000000000000000000000................
0090:00000000000000000000000000000000................
00A0:00000000000000000000000000000000................
00B0:00000000000000000000000000000000................
00C0:00000000000000000000000000000000................
00D0:00000000000000000000000000000000................
00E0:00000000000000000000000000000000................
00F0:00000000000000000000000000000000................

MITS Altair 8800 Emulator — Intel 8080 • 88-DCDD Floppy Controller • CP/M 2.2

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