Lines Matching refs:stack
44 ORCCR #0x20 ;Switch to user stack
51 ANDCCR #0xDF ;Switch back to system stack
53 ORCCR #0x20 ;Switch to user stack
54 ST R0,@-R15 ;Store PC to User stack
56 ANDCCR #0xDF ;Switch back to system stack
58 ORCCR #0x20 ;Switch to user stack
59 ST R0,@-R15 ;Store PS to User stack
65 … ANDCCR #0xDF ;Switch back to system stack for the rest of tick ISR
71 ORCCR #0x20 ;Switch to user stack
75 ANDCCR #0xDF ;Switch to system stack
76 ST R0,@-R15 ;Store PS to system stack
78 ORCCR #0x20 ;Switch to user stack
80 ANDCCR #0xDF ;Switch to system stack
81 ST R0,@-R15 ;Store PC to system stack
91 … ANDCCR #0xDF ;Switch back to system stack for the rest of tick ISR