Commodore Plus 4 Uživatelský manuál stáhnout pdf (Strana 3)

PLUS 4 PRODUCT SPECIFICATION

MEMORY

64K RAM. 60K RAM User accessible for BASIC programs.

ROM

32K ROM Standard (includes operating system and BASIC interpreter) with 32K additional ROM con-

taining the built-in productivity software.

MICROPROCESSOR

7501 Microprocessor - .89 or 1.76 MHz clock.

DISPLAY

40 Columns x 25 lines of text.

COLORS

128 Colors (16 colors; 8 luminance levels).

CHARACTERS

Upper

lower case letters, numerals and symbols. Reverse and flashing charachters. All PET graphic

characters.

DISPLAY MODES

Text characters. High resolution graphics. Split screen text/high resolution graphics. Multicolor graphics.

RESOLUTION

320 x 200 Pixels

SOUND

2 Tone generators or 1 Tone and 1 white noise generator.

VOLUME

8 Volume levels

KEYBOARD

Full size typewriter style design

KEYS

67 Keys total. 4 Cursor control keys. 4 Programmed (reprogrammable) function keys (up to 8 user

defined functions possible). Color control keys. HELP key. Upper and lower case character set. Graphics

character set.

INPUTS/OUTPUTS

PLUS/4 MODEM (User) port. Serial port. ROM cartridge and parallel disk drive port. 2 Joystick ports.

C1531 Cassette drive interface port. RF Output-channel 3 or 4. Video output-composite/

chrominance/luminance. Audio input/output. Power supply input.

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Commodore Plus 4 Uživatelský manuál Strana 3