Re: About simulating cartridge using a VIC 20 memory expansion

From: Daniele Gratteri (daniele_gratteri_at_inwind.it)
Date: 2003-05-31 21:32:13

----- Original Message -----
From: "Anders Carlsson" <anders.carlsson@mds.mdh.se>
To: "CBM Hackers" <cbm-hackers@cling.gu.se>
Sent: Saturday, May 31, 2003 8:49 PM
Subject: Re: About simulating cartridge using a VIC 20 memory expansion


> Under the circumstance the image was saved with an load address of $A000,
> it should be enough to do LOAD"file",8,1 (or ,1,1 if you're using tape).

So, should the ROM image be, for example, 8194 bytes long instead of 8192
bytes (two more bytes for saving the load address)?

> Then a soft reset should start your program.

Ok, I made a reset switch too which connects the RESET signal to GND when
necessary.

> However, some cartridges load into two parts, $A000 and $6000 (sometimes
> $4000 or $2000) so don't forget to load it all!

I will do, thank you very much!
  ___                                                          __
 / __|___  Daniele Gratteri, Italian Commodore-Amiga user...  ///
| /  |__/  Nickname: FIAT1100D - ICQ: 53943994           __  ///
| \__|__\  Home page: http://www.gratteri.tk             \\\///
 \___|     E-MAIL: daniele@gratteri.tk     ...since 1990  \///


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