From: Marko Mäkelä (marko.makela_at_hut.fi)
Date: 2003-01-23 08:14:57
On Thu, Jan 23, 2003 at 01:12:33AM +0100, Groepaz wrote:
> just curious.... will that cart include full mem-expansion (ie 27k) and if
> so, will it be useable with any other "normal" program?
Yes, but the expansion blocks at $400-$fff and $2000-$3fff are mutually
exclusive and use the same block of memory on the 62256. In BLK5, you
can select RAM or one of the 512 banks of Flash ROM. BLK2 and BLK3 are
always active. For maximum compatibility, the control registers at $9800
and $9801 can be switched off by setting the most significant bit of $9801.
The normal BASIC prompt can be selected by pressing STOP, 3 or 8 in the
menu or during RESET. In the latter case, the boot firmware tries not
to overwrite any memory, not even screen memory.
The menu system (with a stand-alone version of the PuCrunch decompressor)
supports cartridge games and BASIC games in any of these configurations.
It doesn't support subdirectories yet, but I guess I'll have to add
that. Then it'd be easier to browse programs by memory configuration.
The system already supports "hard links", so the same file can be
accessed by multiple names (even from multiple subdirectories, once
those have been implemented).
> max dont send 232 samples no more....what else do they have what you cant get
> elsewhere? :o)
A li-ion charger IC that can be plugged into USB. Very handy for
loading the battery of a digital camera from a laptop. No, I haven't
built that device yet; it's hard to improvise an easy-to-use, portable and
durable connector for the battery.
BTW, you can get 5 samples of the MAX232CSE clone DS14C232CM from Dallas
(or was it National Semiconductors). I got 5 chips in that way, to get
something like a total of 110 or 111 chips for the production run of the
C2N232, since the local distributor only sold complete tubes of chips.
Marko
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