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[/] [System09/] [trunk/] [rtl/] [System09_Digilent_Atlys/] [system09.vhd] - Rev 180

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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 1419d 06h /System09/trunk/rtl/System09_Digilent_Atlys/system09.vhd
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 1419d 10h /System09/trunk/rtl/System09_Digilent_Atlys/system09.vhd
173 Add another 16k BRAM for 56K total memory davidgb 1421d 05h /System09/trunk/rtl/System09_Digilent_Atlys/system09.vhd
170 More debugging. Can now see cpu_addr incrementing correctly.
Added 32k BRAM 0000-7FFF.
davidgb 1421d 11h /System09/trunk/rtl/System09_Digilent_Atlys/system09.vhd
169 Fixed clock connection and reset button polarity. Debug LED counting and cpu_clk now indicates some activity. davidgb 1421d 17h /System09/trunk/rtl/System09_Digilent_Atlys/system09.vhd
162 stripped down to most basic system (no vdu, keyboard, sdram, ide, etc). davidgb 1422d 06h /System09/trunk/rtl/System09_Digilent_Atlys/system09.vhd
148 Check in Atlys work davidgb 1665d 21h /System09/trunk/rtl/System09_Digilent_Atlys/system09.vhd
141 Started work on version for Digilent Atlys SPARTAN6 board (does not build, just infrastructure to start the project) davidgb 1701d 14h /System09/trunk/rtl/System09_Digilent_Atlys/system09.vhd

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