uzix/zx-sizif-128
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update firmware

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1. quartus 13 may be used for build now;
2. fix small border offset;
3. fix too fast flashing with attribute bit 7.
This commit is contained in:
UzixLS
2020-08-15 16:24:29 +03:00
parent 1696b14cae
commit 105b24ffa4
5 changed files with 110 additions and 141 deletions
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16
cpld/clocks.sdc Normal file
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create_clock -period 14.4MHz -name {clk_14mhz} [get_ports {clk14}]
create_clock -period 16MHz -name {clk_16mhz} [get_ports {clk16}]
# clkcpu 3.5
create_generated_clock -name {clkcpu} -divide_by 4 -source [get_ports {clk14}] [get_registers {hc0[1]}]
# int len in turbo = 66
create_generated_clock -name {n_int} -divide_by 64 -source [get_ports {clk14}] [get_registers {n_int~reg0}]
# chroma carrier
create_generated_clock -name {chroma_carrier} -divide_by 6 -source [get_ports {clk16}] [get_registers {*:chroma_gen1|carrier[14]}]
set_false_path -from [get_registers {r~reg0}] -to [get_clocks {clk_16mhz}]
set_false_path -from [get_registers {g~reg0}] -to [get_clocks {clk_16mhz}]
set_false_path -from [get_registers {b~reg0}] -to [get_clocks {clk_16mhz}]
set_false_path -from [get_registers {hsync1}] -to [get_clocks {chroma_carrier}]