[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: EPROM copy question (address')
- Subject: Re: EPROM copy question (address')
- From: mjmahon@aol.com (Michael J. Mahon)
- Date: 12 Aug 2003 06:38:13 GMT
- Newsgroups: comp.sys.apple2
- Organization: AOL http://www.aol.com
- References: <lpXZa.124009$uu5.18450@sccrnsc04>
- Xref: archiver1.google.com comp.sys.apple2:33874
Ernest asked:
>I'm using a CTA prom burner to make a copy of a 2532 ROM chip.
>
>The program asked for the starting address of the memory area containing the
>EPROM data -I chose 2800 because the manual suggested it. Then I read the
>ROM into memory.
>
>Next, I wanted to save the ROM contents in memory back to a floppy disk.
>Here, it again asked for the starting address in memory (2800) and then it
>asked for the END address. I have no idea what the END address would be in
>the case.
>
>Does anyone know what the END address in memory would be for a 2532 ROM
>chip, which started at 2800? I have no idea.
I'm going to assume that all these addresses are hex.
A 2532 is 32Kbits, or 4KBytes = $1000.
So if the start address is $2800, the end address is $37FF.
-michael
Check out amazing quality 8-bit Apple sound on my
Home page: http://members.aol.com/MJMahon/