Touch points and buttons on M5Core 2" displays, Tab 5" display, and Sunton 7" display for keyboard emulation

I have targeted the following M5 Stack models with my C64/C128/Vic-20/Apple 1 emulator : M5Stack Fire IoT M5 Core2 M5 CoreS3 (Even though I have targeted other boards, I had only implemented touch on the CoreS3) The primary reason for targeting these boards was the common 2" 320x240 display perfect for most C64 emulation, and the availability of a wristband that works with Core2 and CoreS3 (it…