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[/] [open8_urisc/] [trunk/] - Rev 245

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Rev Log message Author Age Path
225 Added Halt_Ack to go with Halt_Req. jshamlet 1573d 08h /open8_urisc/trunk/
224 Finished new Open8 bus record, which now includes the clock, reset and a microsecond tick. The CPU now accepts a clock and pll_locked signal, which it uses to generate the system reset in the bus record. It also contains a simple microsecond counter to feed the usec_tick in the record. This logic was removed from the real time clock and system timer entities, which now use the global version. Bus connections should be dramatically simplified, as only the read logic and interrupts are still run as separate signals. jshamlet 1573d 10h /open8_urisc/trunk/
223 Added an OPEN8_BUS_TYPE record to simplify connection to Open8 modules. The CPU now passes and Open8_Bus out, which supplies the bus address, write enable, write data, and read enable. Read data and interrupts are still handled as separate signals, since they are muxed/connected at the next level up. jshamlet 1574d 03h /open8_urisc/trunk/
222 Created a modified version of the epoch timer with a 32-bit, 1-uS resolution timer/comparator. jshamlet 1574d 08h /open8_urisc/trunk/
221 o8_vdsm8.vhd now has a default value assigned at compile time, o8_register.vhd was cleaned up some more. jshamlet 1575d 03h /open8_urisc/trunk/
220 More revision sections added jshamlet 1575d 03h /open8_urisc/trunk/
219 Added revision block and corrected creation date. jshamlet 1575d 03h /open8_urisc/trunk/
218 Revision sections added,
vdsm8.vhd added.		 jshamlet 1575d 04h /open8_urisc/trunk/
217 Broke out the vdsm8 as a separate entity, since it is used in several places,
Even MORE code cleanup.		 jshamlet 1575d 04h /open8_urisc/trunk/
216 Fixed missing parenthesis jshamlet 1575d 06h /open8_urisc/trunk/

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