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AlexC
Registered: Jan 2008
Posts: 293 |
Detecting REU + VICE
I'm looking for reliable method of detecting REU on different machines (c64/128) and VICE. Either I'm doing something wrong or the only really stable method (without actually writing to REU banks like shown here: http://www.codebase64.org/doku.php?id=base:reu_detect) is this one:
lda #$00
sta $df00
cmp $df00
beq noreu
The following code fails on my C128D:
http://www.willcox.de/index2.htm
At this point I don't need the size of REU as I assume that every single one will provide me with 128KB at least and this is as much as I need.
Thanks in advance
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Count Zero
Registered: Jan 2003
Posts: 1825 |
Plain reading of registers without an actual transfer is likely to fail with quite a few cartridges. So, what Burglar sez. |
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ThunderBlade
Registered: Jan 2002
Posts: 75 |
Ok, thanks. I was more afraid of messing around in $DFxx area could lead to unpredictable behavior/crashes with some other (not REU) cartridges. |
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