ref: 54a79e5b18c2add939feafb2a3f1128c8b7e4d06
dir: /graveyard/hswt2/
#!/bin/rc cat $1 | sed -n '/^wport f000/{ N s/wport f000 ([^ ]+)\nrport f004 ([^ ]+)/ rr(igfx, 0x\1); \/\* is 0x\2 \*\//p h } /^wport f004/{ x G s/rr\(igfx, (0x[^ ]+)\);.*\nwport f004 ([^ ]+)/wr(igfx, \1, 0x\2);/p }' | sed '/igfx, 0x000(4f0|45400|44008)/d'