---------- Horizontal -- in 256-color modes these are halved

320 wide:   dw 02D00h,02701h,02802h
            dw 09003h,02B04h,08005h
            dw 01413h

640 wide:   dw 05F00h,04F01h,05002h
            dw 08203h,05404h,08005h
            dw 02813h

704 wide:   dw 06800h,05701h,05802h
            dw 08B03h,05904h,08605h
            dw 02C13h

720 wide:   dw 06B00h,05901h,05A02h
            dw 08E03h,06004h,08D05h
            dw 02D13h
            
736 wide:   dw 06C00h,05B01h,05C02h
            dw 08F03h,05F04h,08C05h
            dw 02E13h
            
752 wide:   dw 06C00h,05D01h,05E02h
            dw 08F03h,06204h,08E05h
            dw 02F13h

---------- Vertical -- divide height by (x + 1) where x is 0h-0Fh

350 lines:  dw 0BF06h,01F07h,04x09h
            dw 08310h,08511h,05D12h
            dw 06315h,0BA16h

400 lines:  dw 0BF06h,01F07h,04x09h
            dw 09C10h,08E11h,08F12h
            dw 09615h,0B916h

480 lines:  dw 00B06h,03E07h,04x09h
            dw 0EA10h,08C11h,0DF12h
            dw 0E715h,00416h

540 lines:  dw 04A06h,0F007h,06x09h
            dw 02410h,08611h,01B12h
            dw 02415h,04416h

564 lines:  dw 06206h,0F007h,06x09h
            dw 03710h,08911h,03312h
            dw 03C15h,05C16h

576 lines:  dw 06E06h,0F007h,06x09h
            dw 04310h,08511h,03F12h
            dw 04815h,06816h

---------- Misc. Output Values (height is scanlines)

 063h: 320x400 640x400
 
 0A3h: 320x350 640x350
 
 0E3h: 320x480 320x540 320x564 640x480 640x540 640x564
 
 067h: 704x400 720x400 736x400 752x400
 
 0A7h: 704x350 720x350 736x350 752x350
 
 0E7h: 704x480 704x540 704x564 720x480 720x540 720x564
       736x480 736x540 736x564 752x480 752x540 752x564

---------- Possible Modes

  Heights:  21 23 25 26 27 28 29 30 31 32 33 34 35 36 37
            38 40 41 43 50 57 58 60 66 67 68 70 77 80 87
            90 94 96 100 108 112 116 120 133 135 141 160
            175 180 188 200 240 270 282 350 400 480 540

 16 Color Widths: 320 640 704 720 736 752

 256 Color Widths: 160 320 352 360 368 376
