Doom 64 Control Scheme

RIGHT - D-Pad Right
LEFT - D-Pad Left
FORWARD - D-Pad Forward
BACKWARD - R
ATTACK - Z
USE - C-Down
MAP - D-Pad Down
SPEED - C-Left/Right (C-Up is viable and actually optimal, but you would need to fat finger C-Up + C-Left/Right to speed strafe. I just only use C-Left to speed strafe no matter what direction I need to go)
STRAFE ON - C-Up (Unless you make C-Up speed)
STRAFE LEFT - C-Left
STRAFE RIGHT - C-Right
WEAPON BACKWARD - A (preference)
WEAPON FORWARD - B (preference)

Obviously more than one control scheme is viable and you are recommended to play around with it, but this setup is a proven one that has worked well for both me and peaches.