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Larken interfaces

All are described in one place, because are integrated by the same operating system.

Larken Ramdisk

Has 256kB SRAM with battery backup. Paged as 8 pages of 32kB into top 32kB of DOCK.

Pages are selected with port #07 (incomplete decoding - only A3..A7). Bits 0..2 select page, bit 6 locks writing, when zeroed. After power on all bits are zeroed (insensitive to /RESET line).


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Files for download

aros.txt 8.0kB (2005-04-06 14:22)
The AROS in ramdisk with BASIC program.
ramdiskb.gif 100.5kB (2005-03-30 18:14)
Ramdisk board layout.
ramdiskc.gif 44.7kB (2005-03-30 18:11)
Ramdisk compatibile project by Jack Dohaney - 2×128kB SRAM.
ramdisk.gif 91.8kB (2005-03-30 18:18)
Schematics of ramdisk - 256kB in upper 32kB of DOCK with battery backup.
diskedit.html 27.7kB (2004-10-26 00:46)
Larken Disk Editor by Larry Kenny description.

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© 2009-12-28 21:50 Jarek Adamski, http://8bit.yarek.pl