Atari 1050

## Description

Same as 810 plus Dual density.

## Picture

here (20 KB JPG)

## Formats

SSSD
SSED

## Speeds

19.2 kbps

## Commands

52 - Read sector
50 - Write sector
53 - Get status
57 - Write sector with verify
21 - Format
22 - Format ED
23 - 1050 diags 1
24 - 1050 diags 2

## RPM

288

## Hardware

cpu 6507, riot 6532, wd2793 fdc, ram 6810, two SIO ports. Memory map (0 KB TXT).

## Schematics

here (95 KB GIF), drawn by Jerzy Sobola.

## Misc

DIP switches:
Black & white left: Drive 1
Black right, white left: Drive 2
Black left, white right: Drive 3
Black & white right: Drive 4

# Upgrades

## US Doubler

Manufacturer: ICD
Year: 1984
Adds SSDD, 54kbps speed, sector skewing

### Commands

21 - Format
22 - Format ED
50 - Write sector
52 - Read sector
53 - Get status
57 - Write sector with verify
4E - Read PERCOM block
4F - Write PERCOM block
3F - Get high-speed index
66 - Format with skew

## Happy 1050

Manufacturer: Happy Computer
Adds SSDD, 52kbps speed, 36 sector buffer. Can also read/write 180k MS-DOS.
Multiple versions: 6.1, 7.0 at least, what are differences?

### Commands

50 - Write sector
57 - Write sector with verify
70 - ???
77 - ???
52 - Read sector
72 - ???
53 - Get status
21 - Format
22 - Format ED
3F - Get high-speed index
24 - ???
4E - Read PERCOM block
4F - Write PERCOM block
48 - Happy command
51 - ???

## 1050 duplicator

Manufacturer: Duplicator Technologies Inc./EMC
Year: 1986
?

### Commands

50 - Write sector
52 - Read sector
53 - Get status
57 - Write sector with verify
4E - Read PERCOM block
4F - Write PERCOM block
21 - Format
73 - ???
75 - ???
72 - ???
67 - ???
63 - ???
68 - ???
3F - Get high-speed index
62 - ???
61 - ???
77 - ???
66 - Format with skew
6D - ???
74 - ???
76 - ???
6E - ???
6A - ???
22 - Format ED
64 - ???

## Super Archiver I + II

Manufacturer: CSS
Adds SSDD, 54kbps speed, copies and creates fuzzy & phantom sectors.

### Commands

50 - Write sector
52 - Read sector
53 - Get status
57 - Write sector with verify
21 - Format
22 - Format ED
4F - Write PERCOM block
73 - ???
3F - Get high-speed index
4E - Read PERCOM block
66 - Format with skew
71 - ???
75 - Upload & execute code
74 - Return prepared buffer
5A - ???
42 - ???
62 - ???
43 - ???
44 - ???
46 - ???
47 - ???
4C - ???
54 - Get drive variables
67 - ???

### Hardware

74LS00, 6116 (2k ram), 27C32 (4k rom) put in original's rom socket. Memory map (0 KB TXT).

### Schematics

here (58 KB JPG), drawn by Nir Dary.

## Cheer-Up 1050

Adds SSDD, 52kbps speed

## Speedy 1050

Manufacturer: Compy Shop (now ABBUC)
Year: 1986
Adds SSDD, 57kbps speed, 8kb buffer, built-in DOS and copier. Has track & density display + beep speaker.

### Commands

50 - Write sector
57 - Write sector with verify
52 - Read sector
53 - Get status
21 - Format
22 - Format ED
4E - Read PERCOM block
4F - Write PERCOM block
3F - Get high-speed index
44 - Configure drive
4C - Jump without message
4D - Jump with message
51 - Quit
4B - Slow/fast config
60 - Write track
62 - Read track
68 - Get SIO length
69 - Get SIO routine
41 - Add/Remove command
20 - Format auto

## Mini-Speedy 1050

Same as above, but without displays & speaker.

## Super Speedy 1050

Adds SSDD, 96kbps speed, 192kb buffer (???)

## SuperMax 1050

Adds SSDD, 52kbps speed

## Lazer 1050

Adds SSDD, 54kbps speed

## Engl-Turbo-1050

Adds SSDD, 70kbps speed, different skew than USDoubler Back (c) 1998-2004 Jindroush Last modified: Sat Jan 11 22:53:34 2003