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Rev Log message Author Age Path
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 1127d 01h /
178 work on constraints file davidgb 1127d 13h /
177 work on zybo port davidgb 1127d 13h /
176 Don't delete system09_impact.cmd on 'clean' davidgb 1127d 14h /
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 1127d 14h /
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 1127d 18h /
173 Add another 16k BRAM for 56K total memory davidgb 1129d 13h /
172 Add 16k RAM davidgb 1129d 13h /
171 remove old Xess files davidgb 1129d 19h /
170 More debugging. Can now see cpu_addr incrementing correctly.
Added 32k BRAM 0000-7FFF.
davidgb 1129d 19h /
169 Fixed clock connection and reset button polarity. Debug LED counting and cpu_clk now indicates some activity. davidgb 1130d 00h /
168 Added more pinloc info. Switched RS-232 to use PMOD connector for more h/w debug visibility. davidgb 1130d 00h /
167 Update MAP_FLAGS for z20. Update UCF to have Pmod JC for the RS-232 Pmod davidgb 1130d 13h /
166 hack some pin locs. davidgb 1130d 13h /
165 initial checkin for zybo z20. Still need to fix ucf file. davidgb 1130d 14h /
164 work on impact support davidgb 1130d 14h /
163 more directory cleanup davidgb 1130d 14h /
162 stripped down to most basic system (no vdu, keyboard, sdram, ide, etc). davidgb 1130d 14h /
161 more work on makefile for atlys davidgb 1130d 19h /
160 impact command file for atlys davidgb 1130d 19h /

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