Lines Matching refs:r0
22 stmfd sp!, {r0 - r12, lr} @ save registers on stack
32 tst r0, #1 << 4 @ want lock mode?
34 bic r0, r0, #1 << 4 @ else clear lock bit
35 strh r0, [r2] @ set dpll into bypass mode
36 orr r0, r0, #1 << 4 @ set lock bit again
40 strh r0, [r2] @ write new dpll value
49 tst r0, #1 << 4 @ want lock mode?
55 ldmfd sp!, {r0 - r12, pc} @ restore regs and return