Journal Articles

Articles in PPC Calculator Journal 1982 - 1984:
PPC CJ 9 7, 13 HP-41 pseudo XROM number decoder.
PPC CJ 9 7, 13 "XS" XEQ in the stack.
PPC CJ 9 7, 55 HP-IL instruction set.
PPC CJ 10 3, 31 New print mode for HP-82905B printer.
PPC CJ 10 3, 35 HP-41 8PREG, 8PREGX programs.
PPC CJ 10 4, 16 PPC UK - A summary.
PPC CJ 10 4, 35 HP-41 Synthetic text line printer.
PPC CJ 10 5, 28 WRTP bug report.
PPC CJ 10 6, 11 HP-41 Cassette graphic label printer.
PPC CJ 10 6, 30 HP-41 mcode making & locating NOPs in EPROM.
PPC CJ 10 7, 26 HP-82166A converter applications (part I).
PPC CJ 10 9, 24 HP-41CX "buzz" mode tones.
PPC CJ 10 9, 25 Disassembling HP-41CX page 5, block 1.
PPC CJ 10 10, 17 HP-41 ROM revisions easily determined.
PPC CJ 10 10, 31 HP-41 subroutine timer.
PPC CJ 10 10, 35 HP-41 "AL" alarm setting program.
PPC CJ 11 4, 10 RAMPAGE, a RAM page setup program.
PPC CJ 11 4, 30 ZENROM preview.
PPC CJ 11 6, 11 PPC Calculator Journal tape.
PPC CJ 11 9, 16 ROM revisions.
Articles in DataFile 1983 - 1990:
DataFile 2 2, 6 Flag control - using flag 45.
DataFile 4 5, 30 HP-41 Mcode For Beginners review.
DataFile 5 6, 5 Quadratic solution.
DataFile 8 5, 12 There's A Computer In My Pocket But My Hand's Too Big To Get It. (Reprinted in Spring 1989 premier issue of Hill Country News Press (1 1, 19), San Jose, CA.)
DataFile 9 1, 5 How Time Fries!
Articles in CHHU Chronicles 1984 (1) - 1986 (3):
CHHU 1 1, 8 ZENROM advances the art.
CHHU 2 1, 30 HP-71 display ROM driver bytes.
CHHU 2 3, 40 Creative computing benchmark test results HP-41/71/75.
CHHU 2 4, 9 Halfnut - An internally improved HP-41C, CV, CX.
CHHU 2 4, 28 HP-41 Mcode For Beginners review.
CHHU 2 4, 28 Extend your HP-41 review.
CHHU 2 6, 4 HP-41 mcode resources update.
CHHU 2 6, 18 NUT File #1 - HP-41 memory checking.
CHHU 2 7, 38 NUT File #2 - Printer hex response table, 41 routines.
CHHU 2 7, 59 RAM devices for the HP-41.
CHHU 3 2, 23 NUT File #3 - Programmable multiple column print program.
CHHU 3 3, 49 NUT File #4 - New products! toolbox, bar code ROM, modem.
Other Articles:
12/8/87 Ultimate Handheld Computer (with regard to MC-II).
1/9/88 Report of Handheld Computer User Conference, Las Vegas, January 1989.
1/10/89 Handheld Black Holes (Handheld and Portable Computer Database).
1/10/90 Report of Handheld Computer User Conference, Las Vegas, January 1990.
6/10/90 Report of Handheld Computer User Conference, Chicago, June 1990.
Articles in HPX 1988 (1) - 1989 (2):
HPX 1 1, 17 X-CHHUers Bulletin Boards.
HPX 1 6, 15 HP-42s Debugger Addresses.
HPX 2 1, 24 HP-42s Programmable FAST.

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