Based on
Frequency Exact frequency PAR Exact PAR Devices
1.02 MHz 315/308 MHz 1.500 3:2 Apple II (GR; each line repeated four times)
3.58 MHz 315/88 MHz 1.714 12:7 Devices with 1 pixel per NTSC subcarrier period:
Atari 2600
Atari 7800
Intellivision
5.37 MHz 945/176 MHz 1.143 8:7 The 256px display of the TMS9918
TI-99/4A
ColecoVision
MSX
SG-1000
MSX2
Master System
Genesis
Game Gear
NES
TurboGrafx-16
Super NES
256px mode of the original PlayStation
6.09 MHz 1071/176 MHz 1.008 120:119 Nintendo 64 (320px)
6.14 MHz 135/22 MHz 1.000 1:1 Rec. 601 defines the NTSC picture such that this is square on 4:3 monitors
6.71 MHz 4725/704 MHz 0.914 32:35 320px mode of:
Sega Genesis
PlayStation
7.16 MHz 315/44 MHz 0.857 6:7 Apple II (40-column text, HGR 280px)
TG16 (mid-res, up to 352px)
Atari 7800 (hi-res, 320px)
Amiga
IBM CGA (40-column or 320px) and EGA in 200-line mode (40-column or 320px)
Atari 800
7.375 MHz 59/8 MHz 1.000 1:1 Rec. 601 defines the PAL picture such that this is square on 4:3 monitors
7.67 MHz 4725/616 MHz 0.800 4:5 PlayStation (384px)
8.19 MHz 630/77 MHz 0.750 3:4 Commodore 64
Apple IIGS 4bpp super hi-res
(both 320px). Square on widescreen monitors.
10.74 MHz 945/88 MHz 0.571 4:7 Twice the TMS9918 pixel rate produces 512px on
Super NES
TG16
PlayStation
13.42 MHz 4725/352 MHz 0.457 16:35 PlayStation (640px)
13.5 MHz 27/2 MHz 0.909 10:11 Rec. 601 NTSC
13.5 MHz 27/2 MHz 1.093 59:54 Rec. 601 PAL
14.32 MHz 315/22 MHz 0.429 3:7 Apple II (80-column text, double hi-res)
Amiga
IBM CGA (80-column)
16.36 MHz 1260/77 MHz 0.375 3:8 Apple IIGS 2bpp super hi-res (640px)

HomePages/feos/PAR last edited by feos on 5/29/2022 8:13 AM
Page History Latest diff List referrers View Source