■

んで、PC復旧したので本題のX68000のCRTを使ったMS-DOSで15KHz。でも、うまく映らないなぁ。

# Mode Dot-clock <----H-timing-----> <----V-timing----->
#
# 15KHz modes, X68000 original timings.
"256x240" 4.85795375 256 264 280 304 240 243 246 260
"512x240" 9.7159075 512 528 560 608 240 243 246 260
#
# 31KHz modes, X68000 original timings.
"256x512" 11.59199833 256 280 320 368 512 527 533 568
"512x512" 23.18399667 512 560 640 736 512 527 533 568
"768x512" 34.775995 768 840 960 1104 512 527 533 568
#
# 24KHz modes, hidden X68000 graphics modes.
"256x424" 8.69399875 256 280 312 352 424 432 440 465
"512x424" 17.3879975 512 560 628 704 424 432 440 465
"1024x424" 34.775995 1024 1120 1248 1408 424 432 440 465
#
# and, My original modes.
# 15KHz 640dot modes.
#"640x240" 12.14488438 640 660 700 760 240 243 246 260
"640x240" 12.14488438 640 656 696 760 240 243 246 260
"640x240" 12.14488438 640 664 704 760 240 243 246 260
#
# 24KHz 640dot modes.
#"640x424" 21.73499688 640 700 780 880 424 432 440 465
"640x424" 21.73499688 640 696 776 880 424 432 440 465
"640x424" 21.73499688 640 704 784 880 424 432 440 465
#
# End of lists.