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3 commits

Author SHA1 Message Date
tevorbl 04fe0aa53e fixed floats in printf in linux59k platform 
problem was implementation of fint & fintrz floating point ops in m68kfpu.c
Both these ops truncated the integer to 32 bits instead of leaving it as an extended precision floating point number

Changed the implementation to use 64 bit ints instead of 32 bit ints.
 2020-06-01 20:53:29 +01:00
tevorbl e5da3227d9 fpu bug fix for fgetmant op 
- inserted missing break
- use temp variable instead of manipulating dest register

fgetexp changed to directly convert int to floatx80
 2020-05-30 13:37:04 +01:00
tevorbl 799900f45a update platform linux68k 
latest version of musashi engine
includes floating point emulation
(plus a few patches to add in missing opcodes needed by ack - see tags JFF & TBB)

added a few missing linux syscalls in sim.c

pascal now runs pretty well
quick test with modula2 passes

c gets the floating point numbers wrong, so more work needed here

other languages untested

plat/linux68k/emu/build.lua is probably not quite right - the softfloat directory is compiled in the wrong place
 2020-05-28 13:06:08 +01:00