
Revision C 16/01/96
Chapter 9 "HP-GL" 4
1. Introduction
The HP-GL graphics mode emulates 40 out of 56 instructions for the HP 7475A plotter made by Hewlett-
Packard.
Default plating measurement in the HP-GL graphics mode is 1/1016"(0.025mm).
1.1. HP-GL Syntax
A command consists of a two-letter instruction mnemonic, a parameter field (not needed for some instructions),
and a terminator. Parameters following the instruction mnemonic must be separated from each other by at least
a single space or comma.
P A 10 20 ;
Instruction Mnemonic
Parameter Field
Terminator
At least one space or
comma (,) must be used
Numeric values used in the parameter field are in one of the following four formats.
(1)
Integer-integers between -2
30
and 2
30
-1. Real numbers specified for a parameter that should be an integer
are rounded to the nearest integer.
(2)
Clamped integer- integers between -32768 and 32767. Values outside this range are converted to the
nearest integer within the range. Real numbers are rounded to the nearest integer.
(3)
Real - real numbers between -2
30
and 2
30
-1.
(4)
Clamped Real - real numbers between -32768 and 32767. Values outside this range are converted to the
nearest real number within the range.
1.2. Font Selection
Eighteen character sets compatible with the HP 7454A are available.
1.3. Coordinate System and Printing Area
1.3.1.Coordinate System
Paper feed direction
X
Y
Home Position
The home position is at the upper left corner of the area where printing is possible.
Summary of Contents for HL- SERIES
Page 13: ...Revision A 16 01 96 Chapter 1 Introduction ...
Page 16: ...Revision C 16 01 96 Chapter 2 PCL 1 Chapter 2 PCL ...
Page 123: ...Revision C 16 01 96 Chapter 2 PCL 3 W width raster area 78 Y y offset raster 79 ...
Page 124: ...Revision C 16 01 96 Chapter 3 PJL 1 Chapter 3 PJL Printer Job Language ...
Page 180: ...Revision C 16 01 96 Chapter 4 Diablo 630 1 Chapter 4 Diablo 630 ...
Page 200: ...Revision C 16 01 96 Chapter 5 EPSON FX 850 1 Chapter 5 EPSON FX 850 ...
Page 237: ...Revision C 16 01 96 Chapter 6 IBM Proprinter XL 1 Chapter 6 IBM Proprinter XL ...
Page 259: ...Revision C 16 01 96 Chapter 7 Bar Codes Control 1 Chapter 7 Bar Code Control ...
Page 267: ...Revision C 16 01 96 Chapter 8 HP GL2 1 CHAPTER 8 HP GL 2 Graphics Language ...
Page 280: ...Revision C 16 01 96 Chapter 8 HP GL2 14 220 END Sample 21 ...
Page 328: ...Revision C 16 01 96 Chapter 9 HP GL 1 CHAPTER 9 HP GL Graphics Language ...
Page 342: ...Revision C 16 01 96 Chapter 9 HP GL 15 Sample 68 ...
Page 387: ...Revision C 16 01 96 APPENDIX A COMPALISON LIST 24 RESOLUTION 300 600 300 600 300 600 ...