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Rev Log message Author Age Path
192 Fixed part of the ACIA problem - the polarity of the NMI was wrong. Now get clean output but input to the ACIA is not working. davidgb 1375d 18h /
191 check in file so that you do not need to generate it when running ISE in gui davidgb 1376d 15h /
190 check in file so that you do not need to generate it when running ISE in gui davidgb 1376d 15h /
189 Remove unused file. Created by ISE gui. davidgb 1382d 09h /
188 update options to match what the ISE gui does davidgb 1382d 10h /
187 Partially works. Garbage on the ACIA due to baud clock problems. davidgb 1382d 15h /
186 Somewhat functional boot to SBUG. ACIA freq is wrong but sometimes works if hyperterm set to 115kBps davidgb 1382d 18h /
185 Reverted back to the single-step version - something was broken davidgb 1382d 19h /
184 update files to correctly produce flex9ram.vhd davidgb 1382d 19h /
183 update file extensions davidgb 1382d 19h /
182 Add a copy of the derived ROM contents so that you can go directly to ISE GUI without having to 'make roms' davidgb 1382d 19h /
181 Add a copy of the derived ROM contents so that you can go directly to ISE GUI without having to 'make roms' davidgb 1382d 19h /
180 removed xdc file since ISE 14.7 does not support XDC davidgb 1382d 20h /
179 Zybo port done to the same point as the Atlys port. The hardware appears to work but the ACIA is not communicating properly. davidgb 1382d 20h /
178 work on constraints file davidgb 1383d 08h /
177 work on zybo port davidgb 1383d 08h /
176 Don't delete system09_impact.cmd on 'clean' davidgb 1383d 09h /
175 Corrected RS-232 pin connections. Cleaned up code. Removed debug code.
System boots but the baud clock must be wrong - get garbage on hyperterm.		 davidgb 1383d 09h /
174 Added button debounce. Single-step button. multiplex LED to show nibbles of addr and data for debug. Confirmed that CPU is reading from sys09swt.vhd SBug ROM correctly. Still need to debug ACIA output. davidgb 1383d 13h /
173 Add another 16k BRAM for 56K total memory davidgb 1385d 08h /

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