-------Commodore Trivia Edition #34 Questions and Answers Preface-------- Not to leave you in the dark for too long, here are the trivia answers to the previous edition of Commodore Trivia. I am posting the answers at this time, and will post the scores and winners in a few days. This time frame is set up to allow time for any discussions on the correctness of these answers. By this time, the newest edition of trivia has been posted. I encourage you to enter it. This edition of trivia answers has been posted to the USENET newsgroups: comp.sys.cbm, alt.folklore.computers, and comp.sys.amiga.advocacy. It has also been posted to the FidoNET CBM Echo. Feel free to use these trivia answers in newsletters, magazines, and other publications (please see disclaimer). If you use the trivia, I would appreciate knowing where it has ended up. If you intend to use this information, please wait a few days after the posting date to allow for major errors to be corrected. Please mail any new questions for upcoming trivia (with answers) to my address. This edition and previous editions the trivia can be obtained from my mailserver. To: brain@mail.msen.com Subject: MAILSERV Body: send trivia1 quit This will retrieve the first edition of the trivia. Replace the number with the edition you want. **NEW** Interested persons can now subscribe to the Trivia Mailing List. To add your name to the list, please mail a message: To: brain@mail.msen.com Subject: MAILSERV Body: subscribe trivia Firstname Lastname help quit Each new edition of the trivia will be automatically mailed to you when it is made available on the Internet. I try to post the answers for the questions shortly after the monthly contest has ended. However, I usually wait a few days for any errors I may have made to be worked out before scoring the contest. -------Commodore Trivia Edition #34 Questions and Answers (BEGIN)-------- The C128 Developer Set Q $210) The C128 Memory Management Unit is located at $d500 in memory. At what other address does a copy of the MMU registers appear? A $210) $ff00-$ff04 contains a partial mirror of the MMU registers. Q $211) How many MMU registers are are identical in the two memory ranges? A $211) 1. The Configuration Register at $d500 and $ff00 Q $212) If you are writing a C128 machine langyage program and would like to issue a jsr to another bank of memory, what KERNAL call would you use? A $212) JSRFAR ($ff6e). Q $213) How do you pass the parameters to the KERNAL call in auestion $212? A $213) You store the parameters in $0002-$0008 and issue the call. Q $214) When the C128 was developed, Commodore created a very useful buffer printing routine in the KERNAL. What is its common name? A $214) PRIMM (Print Immediate, at $ff7d). Q $215) For the routine in question $214, how do you pass the string that you wish to print to the routine? A $215) You store the buffer, terminated with a null character immediately following the call. Q $216) When the C128 boots, the Z80 gains control first. It begins accessing memory starting at what location? A $216) $0000 Q $217) How much ROM in the C128 is supplied to hold the Z80 power up boot code? A $217) 4096 bytes. Q $218) How many configuration presets can the C128 MMU handle? A $218) 4. Q $219) How small of a common RAM area can be defined in the C128 MMU? A $219) Although the answer "none" is technically correct, I was looking for the less obvious non-zero amount, which is 1 kB of RAM. Q $21A) How large of a common RAM area can be defined in the C128 MMU? A $21A) 16 kB of RAM. Q $21B) How many times does a disk drive get accessed BEFORE the C128 finishes booting? A $21B) twice. (Once to attempt a CP/M boot, and once to attempt a C128 boot). Q $21C) What key would you hold down on the C128 during bootup to immediately enter 64 mode? A $21C) The Commodore Key. Q $21D) Name the first 4 keys on the top row of the C128 keyboard? A $21D) Escape, Tab, Alt, and Caps Lock. Q $21E) On what side of the C128 case is the RESET button located? A $21E) The right side. Q $21F) What is different about the C128 power supply connector compared to the 64 DIN power supply connector? A $21F) The connector is square in appearance, although the voltages are identical to the ones provided for the C64. The information in this between the lines marked by (BEGIN) and (END) is copyright 1996 by Jim Brain. Provided that the information between the (BEGIN) and (END) lines is not changed except to correct typographical errors, the so marked copyrighted information may be reproduced in its entirety on other networks or in other mediums. For more information about using this file, please contact the address shown below. Jim Brain j.brain@ieee.org 10710 Bruhn Avenue Bennington, NE 68007 (402) 431-7754 --------Commodore Trivia Edition #34 Questions and Answers (END)---------