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[/] [System09/] - Rev 195

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Rev Log message Author Age Path
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 619d 04h /System09/
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 619d 08h /System09/
173 Add another 16k BRAM for 56K total memory davidgb 621d 03h /System09/
172 Add 16k RAM davidgb 621d 03h /System09/
171 remove old Xess files davidgb 621d 09h /System09/
170 More debugging. Can now see cpu_addr incrementing correctly.
Added 32k BRAM 0000-7FFF.
davidgb 621d 09h /System09/
169 Fixed clock connection and reset button polarity. Debug LED counting and cpu_clk now indicates some activity. davidgb 621d 15h /System09/
168 Added more pinloc info. Switched RS-232 to use PMOD connector for more h/w debug visibility. davidgb 621d 15h /System09/
167 Update MAP_FLAGS for z20. Update UCF to have Pmod JC for the RS-232 Pmod davidgb 622d 03h /System09/
166 hack some pin locs. davidgb 622d 04h /System09/

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