DDRB (&FE62)$00 (all inputs)
IER (&FE6E)$C0 (T1 enabled)
ACR (&FE6B)$40 (free-run)
T1 LATCH$07D0 (2ms)
LIVE PORT BYTE
IRB &FE60
$00
&75 (old XAB)
%00
&76 (old YAB)
%00
X QUADRATURE (XA=blue / XB=cyan)
Y QUADRATURE (YA=blue / YB=cyan)
Move mouse over canvas · Left/Right click = buttons
POSITION (&70-&73)
X: 0 Y: 0
LEFT
RIGHT
IRQ FIRING (500Hz)
0 IRQs
QUADRATURE DELTA (last)
X:0 Y:0