hp85a

Model:	-85A

General:
	Name:			Personal Computing System
	Code-Name:		Capricorn? Chestnut?
	Family:			none
	Logic:			Basic
	Features:		basic, clock
	Firsts:			?
	Introduction:
		Date:		1979-12-07
		Price:		$3,250
	Discontinuation:
		Date:		1984-02-01
		Price:		$2,750 (price change 1982-12-01)
	Production-Run:		?

Display:
	Type:			CRT
	Size:			16 lines x 32 chars, 192 x 256 pixels
	Number-Formats:		-
	Annunciators:		-

Data:
	User-Visible:
		Smallest:	1E-499
		Largest:	9.99999999999E499
		Signif.-Digits:	12
	Internal:
		Smallest:	1E-499
		Largest:	9.99999999999E499
		Signif.-Digits:	12
	Data-Types-and-Sizes:	real [10 bytes]
				short real +/-9.9999E99 to +/-1E-99 [6 bytes]
				integer +/-99999 [5 bytes]
				one-dimensional numeric array [8 bytes +
					real	8 bytes/element
					short	4 bytes/element
					integer	3 bytes/element]
				string [8 bytes + dimensioned length]

Memory:
	Named-Registers:	-
	Flags:			-
	Register-Usage:		-
	Numbered-Registers:	-
	Program-Steps:		-
	Program-Editing:	-
	Program-Display:	alpha
	User-RAM-Bytes:		14,576
	Total-RAM-Bytes:	16,384
				226 registers at 8 byte each are for control
	ROM-Bytes:		?
	Machine-State:		-
	File-Types:		program, data

Physical:
	Technology-Used:	CMOS
	Processor:		Capricorn, 8-bit
	Chip-Count:		?
	Power-Source:		A/C
	Continuous-Memory:	no
	Expansion-Ports:	4
	I/O-Ports:		printer, cartridge tape
	Clock:			yes

	Length:			45.2 cm
	Width:			42.0 cm
	Height:			15.9 cm
	Weight:			9.06 kg
	Temperature-Range:
		Operating:	5 to 40 deg C
		Charging:	-
		Storage:	-40 to 65 deg C

Keyboard:
	Switches:		On/Off, brightness
	Shift-Keys:		SHIFT, above
	User-Defined-Keys:	-

Key-Arrangement::

  **  ***  ***  ***  ***      **  **  **  **  **  **  **  **  **        ***

  **  **  **  **  **  **  **  **  **  **  **  **  **  **     **  **  **  **
**  **  **  **  **  **  **  **  **  **  **  **  **  ***  **  **  **  **  **
 **  **  **  **  **  **  **  **  **  **  **  **  *****   **  **  **  **  **
 ***  **  **  **  **  **  **  **  **  **  **  ***  **    **  **  **  **  **
          *****************************       ***  **    **  **  **  **  **

Key-Labels-Base-Keyboard::

KEY                                                                      PAPER
LABEL k1     k2    k3    k4    ^   v   <- -> RPL -CHAR ROLLv LOAD STORE ADVANCE
                                                   BACK
1    2   3   4   5   6   7   8   9   0   -   =  \ SPACE   -LINE (  )   ^
CTRL Q   W   E   R   T   Y   U   I   O   P   (   )   CONT  7   8   9   /
CAPS
LOCK A   S   D   F   G   H   J   K   L   ;   '   END LINE  4   5   6   *
SHIFT Z  X   C   V   B   N   M   ,   .   /   SHIFT LIST    1   2   3   -
                         []                  PAUSE RUN     0   .   ,   +

Key-Labels-Shift-Above::
                                _
[]    k5     k6    k7    k8    |\ AUTO GRAPH COPY INST DEL ROLL^ REW TEST []
!    @   #   $   %   ^   &   *   (   )   _   +  | []   CLEAR []  []  []
[]   []  []  []  []  []  []  []  []  []  []  []  [] SCRATCH []  []  []  []
[]   []  []  []  []  []  []  []  []  []  :   "   []        []  []  []  []
[]   []  []  []  []  []  []  []  <   >   ?   []   P LIST   []  []  []  []
                         []                  STEP  []      []  []  []  []

Programmable-Operations::

not listed (maybe in a later version)

Non-Programmable-Operations::

not listed (maybe in a later version)

Menus::

none

Bugs/ROM-Versions::

none

Notes::

A 16K RAM cartridges is available.

Also available is a 6-slot ROM carrier.

Printer is a thermal printer.