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[/] [open8_urisc/] [trunk] - Rev 283

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283 Altered SDLC bitclock check on TX to NOT block when tested by software, but to instead ignore packet write requests if BClk_Okay is low. This allows software to continue checking BClk_Okay in a polling loop. jshamlet 1371d 17h /open8_urisc/trunk
282 Modified the SDLC core transmit states to have consistent naming. jshamlet 1371d 18h /open8_urisc/trunk
281 Added pre-initialization to the dual-port RAM signals. jshamlet 1371d 20h /open8_urisc/trunk
280 Got rid of silly aliases that connected the dual-port memory and the arbitration logic. jshamlet 1371d 21h /open8_urisc/trunk
279 More comment cleanup jshamlet 1372d 18h /open8_urisc/trunk
278 Flattened the SDLC interface to fewer files and eliminated the package file. jshamlet 1373d 12h /open8_urisc/trunk
277 Fixed documentation errors related to flags. The UPP ALU instruction only alters the C flag, not the Z or N flags. This implies that using indexed loads or stores with auto post-increment will potentially alter the C flag. jshamlet 1373d 18h /open8_urisc/trunk
276 More comment fixes jshamlet 1408d 15h /open8_urisc/trunk
275 Fixed a minor comment error. jshamlet 1410d 09h /open8_urisc/trunk
274 Updated comments with more corrections jshamlet 1410d 16h /open8_urisc/trunk
273 Updated comments with corrections jshamlet 1410d 17h /open8_urisc/trunk
272 Updated the HTML documentation to reflect the removed generic. jshamlet 1420d 17h /open8_urisc/trunk
271 Removed deleted generic define. jshamlet 1420d 17h /open8_urisc/trunk
270 Moved CPU internal constants to o8_cpu.vhd and replace the generic that set the RSP direction flag with a constant instead. This removes the need to expose internal architectural flags externally.

Also added a hard-coded version register that takes a major and minor value as bytes using generics. This is a read-only register to the CPU.		 jshamlet 1420d 17h /open8_urisc/trunk
269 Modified the write data path to use separate enumerated states rather than reuse the .reg field to improve performance. jshamlet 1423d 06h /open8_urisc/trunk
268 Added a 16-input external interrupt manager and dedicated SPI tx-only transmitter (for use with DACs, etc.). Also updated the soft-DACs with cleaned up HDL. jshamlet 1423d 07h /open8_urisc/trunk
267 Corrected the file description to indicate this is an example package. jshamlet 1423d 07h /open8_urisc/trunk
266 Accidentally uploaded incorrect example file for Open8_cfg.vhd jshamlet 1423d 07h /open8_urisc/trunk
265 Fixed a bug where "reg" wasn't being initialized with Poly_Init at reset. jshamlet 1515d 16h /open8_urisc/trunk
264 Updated comments jshamlet 1525d 13h /open8_urisc/trunk

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