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URL https://opencores.org/ocsvn/System09/System09/trunk

Subversion Repositories System09

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Rev Log message Author Age Path
178 work on constraints file davidgb 1196d 05h /
177 work on zybo port davidgb 1196d 05h /
176 Don't delete system09_impact.cmd on 'clean' davidgb 1196d 07h /
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 1196d 07h /
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 1196d 10h /
173 Add another 16k BRAM for 56K total memory davidgb 1198d 05h /
172 Add 16k RAM davidgb 1198d 05h /
171 remove old Xess files davidgb 1198d 11h /
170 More debugging. Can now see cpu_addr incrementing correctly.
Added 32k BRAM 0000-7FFF.
davidgb 1198d 11h /
169 Fixed clock connection and reset button polarity. Debug LED counting and cpu_clk now indicates some activity. davidgb 1198d 17h /

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