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Location.................Grand Junction, Colorado
BBS Name.................Infinite Loop
BBS Software/Networks....C-Net 128/CommNet
BBS Platform/Hardware....C128
System Operator Name.....Unknown (earlw@massive.gj.net)
System Operator Handle...EWWfishbone
Maximum Modem Speed......2400 BPS
WWW Presence.............None
Open Status Verified.....24 Oct 1997 - Kristina Ebersbach
Comments.................None
Credits:
Jim Caldwell............(kapital1@juno.com)..............25 Oct 97
Kristina Ebersbach......(kristina@idirect.com)...........25 Oct 97
Kenneth Nealey..........(wizard_2@pacbell.net)...........25 Oct 97
Hernan Vergara..........(hvergara@coyote.accessnv.com)...25 Oct 97
Mark Wigston............(cc151@freenet.toronto.on.ca)....25 Oct 97
Fungus - F4CG/Carcass...(fungus@c64.org).................30 Oct 97
Nelson Schrock..........(n.schrock@genie.com)............02 Nov 97
Ed Paulsen..............(epaulsen@netisle.net)...........20 Nov 97
Abbreviations:
C64.........Commodore 64, 64C or SX 64
C128........Commodore 128 or 128D
C128-64.....Commodore 128 or 128D operated in 64 Mode
CHD.........CMD Hard Drive
Color SML...Color 64 Super ML
Color V8....Color 64 Version 8
JD..........JiffyDOS
LtK.........Lieutenant Kernal Hard Drive
RL..........RAMLink
SC64........Super CPU 64
SC128.......Super CPU 128
V128........V128
Search Strings:
(A) - Entry added.
(C) - Entry altered (other than telephone number).
(D) - Entry deleted.
(M) - Entry moved due to telephone number change.
* BLOCK EDIT.DOC *
1 INTRODUCTION
THIS PROGRAM IS INTENDED MORE AS AN
AID TO PROGRAMMING GRAPHICS THAN AS A
THING UNTO ITSELF. I AM GOING TO BE
ASSUMING A CERTAIN AMOUNT OF KNOW-
LEDGE ON THE PART OF THE USER ABOUT THE
C64'S PROGRAMMABLE CHARACTER GRAPHICS.
IF YOU STILL HAVE SOMETHING TO LEARN
ABOUT THE MACHINE (DON'T WE ALL), I
CAN STRONGLY RECOMMEND MAPPING THE
COMMODORE 64, BY SHELDON LEEMAN
(COMPUTE! BOOKS). THE PROGRAMMER'S
REFERENCE GUIDE FROM COMMODORE ALSO
COVERS THE SUBJECT, BUT NOT AS CLEARLY.
BLOCK EDIT IS INTENDED TO ALLOW THE
EDITING AND SAVING OF CUSTOM CHARACTER
SETS, BUT IT IS NOT ORIENTED TOWARD THE
CREATION OF NORMAL SIZED, 8 BY 8 PIXEL
CHARACTERS. INSTEAD, IT GROUPS THESE
CHARACTERS IN BLOCKS OF 4 TO PRODUCE
16 BY 16 PIXEL, DOUBLE SIZED CHARACTERS,
HENCEFORTH TO BE REFERRED TO AS BLOCKS.
IT ALSO STORES A 256 BYTE 'COLORFILE'
AFTER THE END OF THE CHARACTER SHAPE
DATA, WITH AN INDIVIDUAL COLOR FOR EACH
CHARACTER WITHIN THE SET. THIS ALSO
ALLOWS INDIVIDUAL CHARACTERS TO BE
EITHER 8 BY 8, HI RESOLUTION, 2 COLOR;
OR 4(WIDE) BY 8, MULTICOLOR, 4 COLOR.
THESE MODES CAN BE MIXED WITHIN A SINGLE
BLOCK. FOR A QUICK EXAMPLE OF WHAT ALL
THIS IS GOOD FOR, LOAD"BLOCK EDIT.O",8
AND RUN IT. THE TITLE ITSELF IS ALL
HI-RES, AND THE LITTLE FELLOW IS MULTI-
COLOR.
BLOCK EDIT WAS WRITTEN IN ASSEMBLER,
USING LEW LASHER'S VE2 TEXT EDITOR AND
AS2 ASSEMBLER. THESE PROGRAMS ARE
AVAILABLE ON THE BOSTON COMPUTER SOCIETY
COMMODORE USER'S GROUP PUBLIC DOMAIN
UTILITIES DISK # 3. THANKS, LEW.
2 DEFINITIONS
BLOCK: 4 CHARACTERS ARRANGED ON THE
SCREEN IN A 2 BY 2 PATTERN. THE RELATIVE
POSITION OF THE CHARACTERS WITHIN A
BLOCK, BY SCREEN CODE, IS THIS:
BLOCK #0 0,1 #1 4,5 ...... #63 252,253
2,3 6,7 254,255
CHARACTERSET: 2048 BYTES OF CHARACTER