{SpinAD.mc, HGM, 4-Nov-84 6:28:20}
Reserve[0F5F, 0FFF]; { section used by the CP Kernel }
SetTask[7]; StartAddress[Go];
RegDef[R0,R,0];
Go: ClrIntErr, c1, at[0];
Noop, c2, at[00FF];
R0 ← 0, c3, at[0F00];
Loop: IB ← 0, {Scope sync} c1;
Noop, c2;
Noop, c3;
Q ← R0 xor R0, c1;
Ybus ← R0 xor R0, c2;
R0 ← R0 xor R0, Ybus ← R0, c3;
R0 ← R0 xor R0, c1;
Noop, c2;
Noop, c3;
Noop, c1;
Noop, c2;
GOTO[Loop], c3;