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| Revision:
Name Size Revision Age Author Comment
tb_slave 451 almost 10 years markw Added testbenches. Do not respond to bus cycles...
tb_sram 439 almost 10 years markw Simulated/corrected sram back-back write timings
tb_veronica 453 almost 10 years markw Plugged in the sram model to check timings
BCDMath.v 7.09 KB 438 almost 10 years markw First cut implementation of veronica clone for ...
FT816.v 55 KB 452 almost 10 years markw Need to review further, but these changes seem ...
FT816Float.v 17.6 KB 438 almost 10 years markw First cut implementation of veronica clone for ...
FT816FloatSingle.v 11.9 KB 438 almost 10 years markw First cut implementation of veronica clone for ...
FT816Float_tb.v 4.06 KB 438 almost 10 years markw First cut implementation of veronica clone for ...
FT816Sys.v 3.49 KB 438 almost 10 years markw First cut implementation of veronica clone for ...
FT816Sys2.v 5.41 KB 438 almost 10 years markw First cut implementation of veronica clone for ...
FT816_tb.v 571 Bytes 438 almost 10 years markw First cut implementation of veronica clone for ...
FT816mpu.v 8.94 KB 438 almost 10 years markw First cut implementation of veronica clone for ...
FT832.v 178 KB 438 almost 10 years markw First cut implementation of veronica clone for ...
FT832misc_task.v 4.96 KB 438 almost 10 years markw First cut implementation of veronica clone for ...
FT832mpu.v 9.03 KB 438 almost 10 years markw First cut implementation of veronica clone for ...
PRNG.v 2.87 KB 438 almost 10 years markw First cut implementation of veronica clone for ...
README 219 Bytes 451 almost 10 years markw Added testbenches. Do not respond to bus cycles...
atari_address_decoder.vhd 1002 Bytes 444 almost 10 years markw Fixed c0 decode and made more explicit
bus_task.v 1.86 KB 438 almost 10 years markw First cut implementation of veronica clone for ...
byte_calc.v 3.82 KB 438 almost 10 years markw First cut implementation of veronica clone for ...
config_regs_6502.vhd 2.44 KB 438 almost 10 years markw First cut implementation of veronica clone for ...
config_regs_veronica.vhd 1.32 KB 438 almost 10 years markw First cut implementation of veronica clone for ...
cpu65816.wcfg 13.1 KB 453 almost 10 years markw Plugged in the sram model to check timings
half_calc.v 3.9 KB 438 almost 10 years markw First cut implementation of veronica clone for ...
load_mac.v 2.61 KB 452 almost 10 years markw Need to review further, but these changes seem ...
load_tsk.v 4.72 KB 452 almost 10 years markw Need to review further, but these changes seem ...
memory_timing_bridge.vhd 1.8 KB 447 almost 10 years markw Trivial but important fixes, thanks to quartus ...
misc_task.v 2.32 KB 438 almost 10 years markw First cut implementation of veronica clone for ...
output_mux.vhd 598 Bytes 438 almost 10 years markw First cut implementation of veronica clone for ...
pll_veronica.qip 443 Bytes 438 almost 10 years markw First cut implementation of veronica clone for ...
pll_veronica.vhd 16.7 KB 438 almost 10 years markw First cut implementation of veronica clone for ...
simulate_slave.sh 2.03 KB 451 almost 10 years markw Added testbenches. Do not respond to bus cycles...
simulate_sram.sh 1.96 KB 443 almost 10 years markw Simulated and repaired 6502 bus and sram bus
simulate_veronica.sh 2.14 KB 451 almost 10 years markw Added testbenches. Do not respond to bus cycles...
slave.cmd 0 Bytes 451 almost 10 years markw Added testbenches. Do not respond to bus cycles...
slave.wcfg 9.46 KB 451 almost 10 years markw Added testbenches. Do not respond to bus cycles...
slave_timing_6502.vhd 7.18 KB 683 almost 8 years markw Back off by 2 cycles, make it more reliable (wa...
sram.cmd 0 Bytes 451 almost 10 years markw Added testbenches. Do not respond to bus cycles...
sram.wcfg 3.35 KB 451 almost 10 years markw Added testbenches. Do not respond to bus cycles...
sram_mux.vhd 3.46 KB 441 almost 10 years markw register output data
store.v 6.62 KB 438 almost 10 years markw First cut implementation of veronica clone for ...
synchronizer.vhdl 946 Bytes 440 almost 10 years markw Missed commit
synchronizer_vector.vhdl 1.29 KB 440 almost 10 years markw Missed commit
veronica.cmd 0 Bytes 451 almost 10 years markw Added testbenches. Do not respond to bus cycles...
veronica.qpf 1.31 KB 438 almost 10 years markw First cut implementation of veronica clone for ...
veronica.qsf 12.7 KB 438 almost 10 years markw First cut implementation of veronica clone for ...
veronica.qsf.bak 3.34 KB 438 almost 10 years markw First cut implementation of veronica clone for ...
veronica.qws 1.74 KB 438 almost 10 years markw First cut implementation of veronica clone for ...
veronica.sdc 2.04 KB 442 almost 10 years markw constraint all cart input/outputs - 1.79MHz so ...
veronica.vhd 8.89 KB 684 almost 8 years markw Board has CE2, not CE_N connected to this pin. ...
veronica.wcfg 15.6 KB 451 almost 10 years markw Added testbenches. Do not respond to bus cycles...
veronica_address_decoder.vhd 1.16 KB 438 almost 10 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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