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Copyright 1991 David Jurgens |
INT 15,84 - Joy-Stick Support
AH = 84h
DX = 0 to read the current switch settings
= 1 to read the joystick position (resistive inputs)
on return (DX=0, read switch setting):
CF = 0 if successful
= 1 if error
AH = 80h error code if CF set on PC
= 86h error code if CF set on XT before 11/8/82
AL = switch settings in bits 7-4 (if read switch function)
on return (DX=1, read joystick position):
AX = A(X)
BX = A(Y)
CX = B(X)
DX = B(Y)
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| Esc or Alt-X to exit |
int 15,84 |
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