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186 2023-01-28 00:06

After >>184 there seem to be no more compiler errors in Gens 2.14 make. However:

/usr/bin/ld: i386 architecture of input file `gens_core/gfx/blit.o' is incompatible with i386:x86-64 output

At this point a 32-bit version should compile, but in that case the 363x linux kega fusion is the better option.
https://archive.org/download/kega-fusion

$ md5sum Fusion363x.tar.gz 
9a6f93c2f3bd48ef09a9170e7f0512f4  Fusion363x.tar.gz
$ sha1sum Fusion363x.tar.gz 
3821e866d6d9d6de11227a3e0c272613896c3e7e  Fusion363x.tar.gz

The days of 32-bit support in Ubuntu are numbered anyway.

https://canonical.com/blog/statement-on-32-bit-i386-packages-for-ubuntu-19-10-and-20-04-lts
Statement on 32-bit i386 packages for Ubuntu 19.10 and 20.04 LTS

The 32-bit assembly in Gens:

$ wc $(find . -name '*.asm' | tr '\n' ' ')
 141312  321960 2190466 ./src/starscream/sub68k/sub68k.asm
 141679  322704 2198556 ./src/starscream/main68k/main68k.asm
   1260    5145   30548 ./src/gens/gens_core/misc/misc.asm
   1437    3434   26267 ./src/gens/gens_core/io/io.asm
    493     997    6666 ./src/gens/gens_core/sound/pwm.asm
    176     487    2921 ./src/gens/gens_core/vdp/vdp_32x.asm
   1691    4670   29871 ./src/gens/gens_core/vdp/vdp_io.asm
   2255    8223   48592 ./src/gens/gens_core/vdp/vdp_rend.asm
    501    1151    7960 ./src/gens/gens_core/mem/mem_z80.asm
   1944    4912   37248 ./src/gens/gens_core/mem/mem_m68k.asm
   3628    7972   56537 ./src/gens/gens_core/mem/mem_s68k.asm
   2196    4431   33772 ./src/gens/gens_core/mem/mem_sh2.asm
   6237   18778  124315 ./src/gens/gens_core/cpu/z80/z80.asm
   6131   16657   85597 ./src/gens/gens_core/cpu/sh2/sh2a.asm
   1957    3559   41044 ./src/gens/gens_core/gfx/hq2x16.asm
    976    2636   16912 ./src/gens/gens_core/gfx/gfx_cd.asm
   2053    7906   47877 ./src/gens/gens_core/gfx/blit.asm
 315926  735622 4985149 total

Rewriting the rest of this in 64-bit assembly other than the 68k emulation might be reasonable if the Programmer's Reference Manuals were available for all the chips. But rewriting the 68k emulation doesn't look like a reasonable time investment.

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