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[/] [open8_urisc/] [trunk/] - Rev 302

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Rev Log message Author Age Path
302 Corrected issue where register state wasn't being preserved for user function stubs,
Modified FREEMEM calc to use the region size constant.		 jshamlet 656d 14h /open8_urisc/trunk/
301 Adding actual task manager files jshamlet 658d 11h /open8_urisc/trunk/
300 Adding core task manager assembly jshamlet 658d 11h /open8_urisc/trunk/
299 Modified the status_led.vhd to slow down the DIM50PCT signal to 1/32 instead of 1/2 for use with shift-register based discrete LEDs and added the ability to chain the toggle signal to save on resources as well as synchronize the "toggling" jshamlet 660d 11h /open8_urisc/trunk/
298 Fixed a long-standing bug in the SBC instruction where the 1 wasn't being added to complete the 2's complement of Rn. This was causing off-by-one errors in subtraction and negating carry only subtractions. jshamlet 661d 13h /open8_urisc/trunk/
297 Fixed register map comments jshamlet 951d 22h /open8_urisc/trunk/
296 Removed parallel interface from o8_vector_rx.vhd, modified vector_tx.vhd to use a generic for it's seed value, slight formatting change on o8_elapsed_usec.vhd. jshamlet 960d 13h /open8_urisc/trunk/
295 Undoing previous revision. UART was fine, bug reporter was not. jshamlet 963d 17h /open8_urisc/trunk/
294 Fixed an ancient bug in the parity logic that had the parity inverted. jshamlet 963d 22h /open8_urisc/trunk/
293 Fixed formatting issue in o8_sync_serial where tabs were inserted instead of spaces and fixed column spacing as a result (purely cosmetic) jshamlet 982d 22h /open8_urisc/trunk/
292 Updated the o8_trig_delay entity by:
1) Added a global interrupt enable,
2) Added the ability to trigger on both the pre- and post-arm trigger input
3) Added the ability to read the external input on offset 7		 jshamlet 1053d 21h /open8_urisc/trunk/
291 Added Notepad++ language definition file for the Open8_II ISA jshamlet 1096d 11h /open8_urisc/trunk/
290 Added an additional generic "Rotation_Ignores_Carry" that removes the carry logic from the ROL/ROR instructions such that they now rotate 'normally',
Added an alias for PSR_GP4 named PSR_S, as it is now used to switch the function of the RSP instruction. The internal opcode hasn't changed, but it allows assembly code to use PSR_S or BRS/BNS when performing RSP related operations.		 jshamlet 1096d 11h /open8_urisc/trunk/
289 Added back the delay for the cursor home command, since it is slow on most Hitachi compatible LCD panels. jshamlet 1113d 22h /open8_urisc/trunk/
288 Removed hard-wired R/Wn output and replaced it with a note that the R/Wn line must be tied low either in firmware or on the board. jshamlet 1114d 18h /open8_urisc/trunk/
287 Fixed mangled comments and revisioning dates. jshamlet 1115d 17h /open8_urisc/trunk/
286 Added initial cut of a "universal" character LCD driver. Allows for adjustment of address setup, enable high, and cycle times. Also has built-in timers for handling timing on certain commands. jshamlet 1115d 18h /open8_urisc/trunk/
285 Added checksum byte to vector tx/rx to avoid issues with serial line noise glitching the receiver. Also modified the transmitted to take any generic argument, rather than canned arguments. jshamlet 1122d 21h /open8_urisc/trunk/
284 Corrected the vhdl unit name and description for o8_7seg.vhd jshamlet 1236d 08h /open8_urisc/trunk/
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 1239d 19h /open8_urisc/trunk/

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