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Rev Log message Author Age Path
22 Initial version of the ZipOS operating system construct(s). dgisselq 2910d 00h /s6soc/
21 Adds two device drivers: one for the SPI display, and another for the pseudo
device that simulates the Real-Time Clock.		 dgisselq 2910d 01h /s6soc/
20 This linker description file acknowledges a .fixdata section which can be
used for debug data upon startup. This allows a startup function to write
all registers out, without destroying them or modifying them on the way.		 dgisselq 2910d 01h /s6soc/
19 Addition of dumpuart.cpp to dump the UART transactions to a FILE (method of
debugging the board). FLASHDRVR and ZIPLOAD were also updated to handle
loading ELF files where the code is longer than a single block.		 dgisselq 2910d 01h /s6soc/
18 Added a picture of the device pinouts to the specification. dgisselq 2910d 01h /s6soc/
17 Modifications necessary to find some bugs, and to load the flash with an ELF
file.		 dgisselq 2910d 01h /s6soc/
16 Bug fix. This release fixes several bugs associated with transitioning from
user mode to supervisor mode while running from flash memory. This also
rewires TIMER-B into a watch-dog timer, and adjusts the LED's to be an
indicator of interrupts and whether or not the CPU has stalled or not as well.		 dgisselq 2910d 01h /s6soc/
15 Adds a new program and a new device: doorbell2 and the PmodCLS display. This
also includes a real-time clock simulator--since we couldn't fit it on the
board.		 dgisselq 2915d 19h /s6soc/
14 Modified the loader so that it will load even if there are RAM variables
in the load, just as long as they aren't anything but zero. (The startup code,
however, doesn't clear memory to match--so be sure to initialize all variables.)		 dgisselq 2915d 19h /s6soc/
13 Fixed a nasty parameter problem between toplevel and txuart. The UART
transmitter now both works (again), and properly generates the required
interrupts. This also finishes the fixes to the alternate toplevel file,
alttop.v, that should've been fixed in the last release.		 dgisselq 2915d 19h /s6soc/

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