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View Code? Open in Web Editor NEWNES FPGA implementation synthesized for the ulx3s ecp5 based fpga board
NES FPGA implementation synthesized for the ulx3s ecp5 based fpga board
Any help/ideas would be appreciated!
Yosys 0.9+4008 (git sha1 396ad17e0, gcc 10.2.0 -march=x86-64 -mtune=generic -O2 -fno-plt -fPIC -Os)
nextpnr-ecp5 -- Next Generation Place and Route (Version bffaad47)
GHDL 2.0.0-dev (1.0.0.r66.g4ec4b3eb) [Dunoon edition]
FPGA_SIZE=85 make
output:
yosys -mghdl -q -l synth.log \
-p "ghdl --std=08 --ieee=synopsys t65/T65_Pack.vhd t65/T65_MCode.vhd t65/T65_ALU.vhd t65/T65.vhd -e t65" \
-p "read_verilog -sv top.v ecp5pll.sv nes.v ppu.sv apu.sv cart.sv dpram.v mappers/generic.sv mappers/MMC1.sv mappers/MMC2.sv mappers/MMC3.sv mappers/MMC5.sv mappers/VRC.sv mappers/misc.sv mappers/Namco.sv mappers/Sunsoft.sv mappers/JYCompany.sv mappers/Sachen.sv sdram.v game_loader.v flash_loader.v palette_ram.v vga.v framebuffer.v sigma_delta_dac.v vga2dvid.v flashmem.v tmds_encoder.v osd/osd.v osd/spi_osd.v osd/spi_ram_btn.v osd/spirw_slave_v.v usb/report_decoder/usbh_report_decoder_darfon.v usb/usbhost/usbh_crc16.v usb/usbhost/usbh_crc5.v usb/usbhost/usbh_host_hid.v usb/usbhost/usbh_sie.v usb/usb11_phy_vhdl/usb_phy.v usb/usb11_phy_vhdl/usb_rx_phy.v usb/usb11_phy_vhdl/usb_tx_phy.v" \
-p "hierarchy -top top" \
-p "synth_ecp5 -abc9 -json nes.json"
t65/T65.vhd:166:10:warning: no assignment for offsets 8:15 of signal "abc"
t65/T65.vhd:166:15:warning: no assignment for offsets 8:15 of signal "x"
t65/T65.vhd:166:18:warning: no assignment for offsets 8:15 of signal "y"
t65/T65_ALU.vhd:231:54:warning: comparing non-numeric vector is unexpected
t65/T65_ALU.vhd:234:54:warning: comparing non-numeric vector is unexpected
---clip---
Warning: Wire top.\game_loader_i.indata_clk is used but has no driver.
Warning: Wire top.\clk_sdram_sys_inst.phasesel [1] is used but has no driver.
Warning: Wire top.\clk_sdram_sys_inst.phasesel [0] is used but has no driver.
Warning: Wire top.\clk_dvi_usb_inst.phasesel [1] is used but has no driver.
Warning: Wire top.\clk_dvi_usb_inst.phasesel [0] is used but has no driver.
ERROR: Visited AIG node more than once; this could be a combinatorial loop that has not been broken - see Yosys bug 2530
make: *** [Makefile:90: nes.json] Error 1
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