# splfix.mfps.sed - replace "jsr[ \t]pc,_splN" calls with mfps and spl # instructions. The sed 't' command is used liberally to short circuit # the script - if a match is made there's no sense continuing on because # there can never be more than a single 'spl' call per line. # # NOTE: there are embedded tabs (\t) characters in many of the patterns below # be *very* careful when editing or cutting&pasting that the tabs do not # get converted to spaces! # # Do the easy ones - these do not save the previous spl. s/jsr[ ]*pc,__spl\([0-7]\)/spl \1/g t s/jsr[ ]*pc,__splsoftclock/spl 1/g t s/jsr[ ]*pc,__splnet/spl 2/g t s/jsr[ ]*pc,__splbio/spl 5/g t s/jsr[ ]*pc,__splimp/spl 5/g t s/jsr[ ]*pc,__spltty/spl 5/g t s/jsr[ ]*pc,__splclock/spl 6/g t s/jsr[ ]*pc,__splhigh/spl 7/g t # Now the harder ones. It is *very* tempting to read ahead a line and optimize # the "mfps r0; spl N; movb r0,foo" into "mfps foo; splN". Alas, this would # break code which relied on "splN()" being a function which returned a value # in r0. s/jsr[ ]*pc,_spl\([0-7]\)/mfps r0; spl \1/g t s/jsr[ ]*pc,_splsoftclock/mfps r0; spl 1/g t s/jsr[ ]*pc,_splnet/mfps r0; spl 2/g t s/jsr[ ]*pc,_splbio/mfps r0; spl 5/g t s/jsr[ ]*pc,_splimp/mfps r0; spl 5/g t s/jsr[ ]*pc,_spltty/mfps r0; spl 5/g t s/jsr[ ]*pc,_splclock/mfps r0; spl 6/g t s/jsr[ ]*pc,_splhigh/mfps r0; spl 7/g t # # A couple special cases. If the PS is being loaded from a variable then use # the 'mtps' instruction. # s/movb[ ]*\(.*[^,]\),\*\$-2/mtps \1/g t s/movb[ ]*\(.*[^,]\),\*\$177776/mtps \1/g t