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| Revision:
Name Size Revision Age Author Comment
  tb_slave 451 over 9 years markw Added testbenches. Do not respond to bus cycles...
  tb_sram 439 over 9 years markw Simulated/corrected sram back-back write timings
  tb_veronica 453 over 9 years markw Plugged in the sram model to check timings
BCDMath.v 7.09 KB 438 over 9 years markw First cut implementation of veronica clone for ...
FT816.v 55 KB 452 over 9 years markw Need to review further, but these changes seem ...
FT816Float.v 17.6 KB 438 over 9 years markw First cut implementation of veronica clone for ...
FT816FloatSingle.v 11.9 KB 438 over 9 years markw First cut implementation of veronica clone for ...
FT816Float_tb.v 4.06 KB 438 over 9 years markw First cut implementation of veronica clone for ...
FT816Sys.v 3.49 KB 438 over 9 years markw First cut implementation of veronica clone for ...
FT816Sys2.v 5.41 KB 438 over 9 years markw First cut implementation of veronica clone for ...
FT816_tb.v 571 Bytes 438 over 9 years markw First cut implementation of veronica clone for ...
FT816mpu.v 8.94 KB 438 over 9 years markw First cut implementation of veronica clone for ...
FT832.v 178 KB 438 over 9 years markw First cut implementation of veronica clone for ...
FT832misc_task.v 4.96 KB 438 over 9 years markw First cut implementation of veronica clone for ...
FT832mpu.v 9.03 KB 438 over 9 years markw First cut implementation of veronica clone for ...
PRNG.v 2.87 KB 438 over 9 years markw First cut implementation of veronica clone for ...
README 219 Bytes 451 over 9 years markw Added testbenches. Do not respond to bus cycles...
atari_address_decoder.vhd 1002 Bytes 444 over 9 years markw Fixed c0 decode and made more explicit
bus_task.v 1.86 KB 438 over 9 years markw First cut implementation of veronica clone for ...
byte_calc.v 3.82 KB 438 over 9 years markw First cut implementation of veronica clone for ...
config_regs_6502.vhd 2.44 KB 438 over 9 years markw First cut implementation of veronica clone for ...
config_regs_veronica.vhd 1.32 KB 438 over 9 years markw First cut implementation of veronica clone for ...
cpu65816.wcfg 13.1 KB 453 over 9 years markw Plugged in the sram model to check timings
half_calc.v 3.9 KB 438 over 9 years markw First cut implementation of veronica clone for ...
load_mac.v 2.61 KB 452 over 9 years markw Need to review further, but these changes seem ...
load_tsk.v 4.72 KB 452 over 9 years markw Need to review further, but these changes seem ...
memory_timing_bridge.vhd 1.8 KB 447 over 9 years markw Trivial but important fixes, thanks to quartus ...
misc_task.v 2.32 KB 438 over 9 years markw First cut implementation of veronica clone for ...
output_mux.vhd 598 Bytes 438 over 9 years markw First cut implementation of veronica clone for ...
pll_veronica.qip 443 Bytes 438 over 9 years markw First cut implementation of veronica clone for ...
pll_veronica.vhd 16.7 KB 438 over 9 years markw First cut implementation of veronica clone for ...
simulate_slave.sh 2.03 KB 451 over 9 years markw Added testbenches. Do not respond to bus cycles...
simulate_sram.sh 1.96 KB 443 over 9 years markw Simulated and repaired 6502 bus and sram bus
simulate_veronica.sh 2.14 KB 451 over 9 years markw Added testbenches. Do not respond to bus cycles...
slave.cmd 0 Bytes 451 over 9 years markw Added testbenches. Do not respond to bus cycles...
slave.wcfg 9.46 KB 451 over 9 years markw Added testbenches. Do not respond to bus cycles...
slave_timing_6502.vhd 7.18 KB 683 over 7 years markw Back off by 2 cycles, make it more reliable (wa...
sram.cmd 0 Bytes 451 over 9 years markw Added testbenches. Do not respond to bus cycles...
sram.wcfg 3.35 KB 451 over 9 years markw Added testbenches. Do not respond to bus cycles...
sram_mux.vhd 3.46 KB 441 over 9 years markw register output data
store.v 6.62 KB 438 over 9 years markw First cut implementation of veronica clone for ...
synchronizer.vhdl 946 Bytes 440 over 9 years markw Missed commit
synchronizer_vector.vhdl 1.29 KB 440 over 9 years markw Missed commit
veronica.cmd 0 Bytes 451 over 9 years markw Added testbenches. Do not respond to bus cycles...
veronica.qpf 1.31 KB 438 over 9 years markw First cut implementation of veronica clone for ...
veronica.qsf 12.7 KB 438 over 9 years markw First cut implementation of veronica clone for ...
veronica.qsf.bak 3.34 KB 438 over 9 years markw First cut implementation of veronica clone for ...
veronica.qws 1.74 KB 438 over 9 years markw First cut implementation of veronica clone for ...
veronica.sdc 2.04 KB 442 over 9 years markw constraint all cart input/outputs - 1.79MHz so ...
veronica.vhd 8.89 KB 684 over 7 years markw Board has CE2, not CE_N connected to this pin. ...
veronica.wcfg 15.6 KB 451 over 9 years markw Added testbenches. Do not respond to bus cycles...
veronica_address_decoder.vhd 1.16 KB 438 over 9 years markw First cut implementation of veronica clone for ...

Latest revisions

# Date Author Comment
684 04/13/2018 09:14 PM markw

Board has CE2, not CE_N connected to this pin. So need to use 1 to enable sram.

683 04/13/2018 09:13 PM markw

Back off by 2 cycles, make it more reliable (was missing some eclairexl writes)

453 04/28/2016 10:35 PM markw

Plugged in the sram model to check timings

452 04/28/2016 10:34 PM markw

Need to review further, but these changes seem to bring the 65816 core to life somewhat

451 04/23/2016 03:28 PM markw

Added testbenches. Do not respond to bus cycles that do not target the cart

450 04/22/2016 11:11 PM markw

sram model for tb

449 04/22/2016 10:28 PM markw

Moved memory timing bridge inside slave_timing, its an internal detail really

448 04/21/2016 11:02 PM markw

Adjusted delays and verified in sim

447 04/21/2016 10:02 PM markw

Trivial but important fixes, thanks to quartus warnings

446 04/21/2016 09:55 PM markw

70ns accuracy is not enough for reliable Atari bus sampling, use faster clock we are already using for sram

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