📄 pjhost.lst
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04B1 9503 INC R16
(0354) STS _OSIntNesting,R16 ;
04B2 93000917 STS OSIntNesting,R16
(0355)
(0356) CPI R16,1 ; if (OSIntNesting == 1) {
04B4 3001 CPI R16,1
(0357) BRNE OSTickISR_1
04B5 F431 BNE 0x04BC
(0358)
(0359) LDS R30,_OSTCBCur ; OSTCBCur->OSTCBStkPtr = Y
04B6 91E00807 LDS R30,OSTCBCur
(0360) LDS R31,_OSTCBCur+1
04B8 91F00808 LDS R31,OSTCBCur+1
(0361) ST Z+,R28
04BA 93C1 ST R28,Z+
(0362) ST Z+,R29 ; }
04BB 93D1 ST R29,Z+
(0363)
(0364) OSTickISR_1:
(0365) CALL _OSTickISR_Handler ; Handle the tick ISR
04BC 940E02A4 CALL _OSTickISR_Handler
(0366)
(0367) CALL _OSIntExit ; Notify uC/OS-II about end of ISR
04BE 940E072E CALL _OSIntExit
04C0 9109 LD R16,Y+
04C1 BF0D OUT 0x3D,R16
04C2 9109 LD R16,Y+
(0368)
(0369) POP_SP ; Restore the hardware stack pointer from task's stack
04C3 BF0E OUT 0x3E,R16
04C4 9109 LD R16,Y+
(0370) POP_SREG ; Restore the SREG register
04C5 BF0F OUT 0x3F,R16
04C6 9109 LD R16,Y+
04C7 BF0B OUT 0x3B,R16
04C8 91F9 LD R31,Y+
04C9 91E9 LD R30,Y+
04CA 91B9 LD R27,Y+
04CB 91A9 LD R26,Y+
04CC 9199 LD R25,Y+
04CD 9189 LD R24,Y+
04CE 9179 LD R23,Y+
04CF 9169 LD R22,Y+
04D0 9159 LD R21,Y+
04D1 9149 LD R20,Y+
04D2 9139 LD R19,Y+
04D3 9129 LD R18,Y+
04D4 9119 LD R17,Y+
04D5 9109 LD R16,Y+
04D6 90F9 LD R15,Y+
04D7 90E9 LD R14,Y+
04D8 90D9 LD R13,Y+
04D9 90C9 LD R12,Y+
04DA 90B9 LD R11,Y+
04DB 90A9 LD R10,Y+
04DC 9099 LD R9,Y+
04DD 9089 LD R8,Y+
04DE 9079 LD R7,Y+
04DF 9069 LD R6,Y+
04E0 9059 LD R5,Y+
04E1 9049 LD R4,Y+
04E2 9039 LD R3,Y+
04E3 9029 LD R2,Y+
04E4 9019 LD R1,Y+
(0371) POP_ALL ; Restore all registers
04E5 9009 LD R0,Y+
(0372)
(0373) RET ; Note: RET instead of RETI
04E6 9508 RET
_uart0_rx_isr:
04E7 920A ST R0,-Y
04E8 921A ST R1,-Y
04E9 922A ST R2,-Y
04EA 923A ST R3,-Y
04EB 924A ST R4,-Y
04EC 925A ST R5,-Y
04ED 926A ST R6,-Y
04EE 927A ST R7,-Y
04EF 928A ST R8,-Y
04F0 929A ST R9,-Y
04F1 92AA ST R10,-Y
04F2 92BA ST R11,-Y
04F3 92CA ST R12,-Y
04F4 92DA ST R13,-Y
04F5 92EA ST R14,-Y
04F6 92FA ST R15,-Y
04F7 930A ST R16,-Y
04F8 931A ST R17,-Y
04F9 932A ST R18,-Y
04FA 933A ST R19,-Y
04FB 934A ST R20,-Y
04FC 935A ST R21,-Y
04FD 936A ST R22,-Y
04FE 937A ST R23,-Y
04FF 938A ST R24,-Y
0500 939A ST R25,-Y
0501 93AA ST R26,-Y
0502 93BA ST R27,-Y
0503 93EA ST R30,-Y
0504 93FA ST R31,-Y
0505 B70B IN R16,0x3B
(0374) ;/*$PAGE*/.
(0375) ;********************************************************************************************************
(0376) ; Uart0 rx ISR
(0377) ;
(0378) ; Description : This function is the ISR used to notify uC/OS-II that a system tick has occurred.
(0379) ;
(0380) ; The following C-like pseudo-code describe the operation being performed in the code below.
(0381) ;
(0382) ; Save all registers on the current task's stack:
(0383) ; Use the PUSH_ALL macro
(0384) ; Get the SREG, set Bit #7 and save onto the task's stack using -Y addressing
(0385) ; Use the PUSH_SP macro to save the task's hardware stack pointer onto the current task's stack
(0386) ; OSIntNesting++;
(0387) ; if (OSIntNesting == 1) {
(0388) ; OSTCBCur->OSTCBStkPtr = SP
(0389) ; }
(0390) ; Clear the interrupt; Not needed for the timer we used.
(0391) ; Notify uC/OS-II that a tick has occured
(0392) ; Notify uC/OS-II about end of ISR
(0393) ; Restore all registers that were save on the current task's stack:
(0394) ; Use the POP_SP macro to restore the task's hardware stack pointer
(0395) ; Use the POP_SREG macro to restore the SREG register
(0396) ; Use the POP_ALL macro to restore the remaining registers
(0397) ; Return (DO NOT use a RETI instruction);
(0398) ;********************************************************************************************************
(0399)
(0400) _uart0_rx_isr::
(0401) PUSH_ALL ; Save all registers and status register
0506 930A ST R16,-Y
(0402) IN R16,SREG ; Save the SREG but with interrupts enabled
0507 B70F IN R16,0x3F
(0403) SBR R16,BIT07
0508 6800 ORI R16,0x80
(0404) ST -Y,R16
0509 930A ST R16,-Y
050A B70E IN R16,0x3E
050B 930A ST R16,-Y
050C B70D IN R16,0x3D
(0405) PUSH_SP ; Save the task's hardware stack pointer onto task's stack
050D 930A ST R16,-Y
(0406)
(0407) LDS R16,_OSIntNesting ; Notify uC/OS-II of ISR
050E 91000917 LDS R16,OSIntNesting
(0408) INC R16 ;
0510 9503 INC R16
(0409) STS _OSIntNesting,R16 ;
0511 93000917 STS OSIntNesting,R16
(0410)
(0411) CPI R16,1 ; if (OSIntNesting == 1) {
0513 3001 CPI R16,1
(0412) BRNE uart0_rx_isr_1
0514 F431 BNE 0x051B
(0413)
(0414) LDS R30,_OSTCBCur ; OSTCBCur->OSTCBStkPtr = Y
0515 91E00807 LDS R30,OSTCBCur
(0415) LDS R31,_OSTCBCur+1
0517 91F00808 LDS R31,OSTCBCur+1
(0416) ST Z+,R28
0519 93C1 ST R28,Z+
(0417) ST Z+,R29 ; }
051A 93D1 ST R29,Z+
(0418)
(0419) uart0_rx_isr_1:
(0420) //CALL _Uart0Rx_Handler ; Handle the tick ISR
(0421)
(0422) CALL _OSIntExit ; Notify uC/OS-II about end of ISR
051B 940E072E CALL _OSIntExit
051D 9109 LD R16,Y+
051E BF0D OUT 0x3D,R16
051F 9109 LD R16,Y+
(0423)
(0424) POP_SP ; Restore the hardware stack pointer from task's stack
0520 BF0E OUT 0x3E,R16
0521 9109 LD R16,Y+
(0425) POP_SREG ; Restore the SREG register
0522 BF0F OUT 0x3F,R16
0523 9109 LD R16,Y+
0524 BF0B OUT 0x3B,R16
0525 91F9 LD R31,Y+
0526 91E9 LD R30,Y+
0527 91B9 LD R27,Y+
0528 91A9 LD R26,Y+
0529 9199 LD R25,Y+
052A 9189 LD R24,Y+
052B 9179 LD R23,Y+
052C 9169 LD R22,Y+
052D 9159 LD R21,Y+
052E 9149 LD R20,Y+
052F 9139 LD R19,Y+
0530 9129 LD R18,Y+
0531 9119 LD R17,Y+
0532 9109 LD R16,Y+
0533 90F9 LD R15,Y+
0534 90E9 LD R14,Y+
0535 90D9 LD R13,Y+
0536 90C9 LD R12,Y+
0537 90B9 LD R11,Y+
0538 90A9 LD R10,Y+
0539 9099 LD R9,Y+
053A 9089 LD R8,Y+
053B 9079 LD R7,Y+
053C 9069 LD R6,Y+
053D 9059 LD R5,Y+
053E 9049 LD R4,Y+
053F 9039 LD R3,Y+
0540 9029 LD R2,Y+
0541 9019 LD R1,Y+
(0426) POP_ALL ; Restore all registers
0542 9009 LD R0,Y+
(0427)
(0428) RET ; Note: RET instead of RETI
0543 9508 RET
_uart0_udre_isr:
0544 920A ST R0,-Y
0545 921A ST R1,-Y
0546 922A ST R2,-Y
0547 923A ST R3,-Y
0548 924A ST R4,-Y
0549 925A ST R5,-Y
054A 926A ST R6,-Y
054B 927A ST R7,-Y
054C 928A ST R8,-Y
054D 929A ST R9,-Y
054E 92AA ST R10,-Y
054F 92BA ST R11,-Y
0550 92CA ST R12,-Y
0551 92DA ST R13,-Y
0552 92EA ST R14,-Y
0553 92FA ST R15,-Y
0554 930A ST R16,-Y
0555 931A ST R17,-Y
0556 932A ST R18,-Y
0557 933A ST R19,-Y
0558 934A ST R20,-Y
0559 935A ST R21,-Y
055A 936A ST R22,-Y
055B 937A ST R23,-Y
055C 938A ST R24,-Y
055D 939A ST R25,-Y
055E 93AA ST R26,-Y
055F 93BA ST R27,-Y
0560 93EA ST R30,-Y
0561 93FA ST R31,-Y
0562 B70B IN R16,0x3B
(0429)
(0430)
(0431) ;/*$PAGE*/.
(0432) ;********************************************************************************************************
(0433) ; Uart0 udre ISR
(0434) ;
(0435) ; Description : This function is the ISR used to notify uC/OS-II that a system tick has occurred.
(0436) ;
(0437) ; The following C-like pseudo-code describe the operation being performed in the code below.
(0438) ;
(0439) ; Save all registers on the current task's stack:
(0440) ; Use the PUSH_ALL macro
(0441) ; Get the SREG, set Bit #7 and save onto the task's stack using -Y addressing
(0442) ; Use the PUSH_SP macro to save the task's hardware stack pointer onto the current task's stack
(0443) ; OSIntNesting++;
(0444) ; if (OSIntNesting == 1) {
(0445) ; OSTCBCur->OSTCBStkPtr = SP
(0446) ; }
(0447) ; Clear the interrupt; Not needed for the timer we used.
(0448) ; Notify uC/OS-II that a tick has occured
(0449) ; Notify uC/OS-II about end of ISR
(0450) ; Restore all registers that were save on the current task's stack:
(0451) ; Use the POP_SP macro to restore the task's hardware stack pointer
(0452) ; Use the POP_SREG macro to restore the SREG register
(0453) ; Use the POP_ALL macro to restore the remaining registers
(0454) ; Return (DO NOT use a RETI instruction);
(0455) ;********************************************************************************************************
(0456) /*
(0457) _uart0_udre_isr::
(0458) PUSH_ALL ; Save all registers and status register
0563 930A ST R16,-Y
(0459) IN R16,SREG ; Save the SREG but with interrupts enabled
0564 B70F IN R16,0x3F
(0460) SBR R16,BIT07
0565 6800 ORI R16,0x80
(0461) ST -Y,R16
0566 930A ST R16,-Y
0567 B70E IN R16,0x3E
0568 930A ST R16,-Y
0569 B70D IN R16,0x3D
(0462) PUSH_SP ; Save the task's hardware stack pointer onto task's stack
056A 930A ST R16,-Y
(0463)
(0464) LDS R16,_OSIntNesting ; Notify uC/OS-II of ISR
056B 91000917 LDS R16,OSIntNesting
(0465) INC R16 ;
056D 9503 INC R16
(0466) STS _OSIntNesting,R16 ;
056E 93000917 STS OSIntNesting,R16
(0467)
(0468) CPI R16,1 ; if (OSIntNesting == 1) {
0570 3001 CPI R16,1
(0469) BRNE uart0_udre_isr_1
0571 F431 BNE 0x0578
(0470)
(0471) LDS R30,_OSTCBCur ; OSTCBCur->OSTCBStkPtr = Y
0572 91E00807 LDS R30,OSTCBCur
(0472) LDS R31,_OSTCBCur+1
0574 91F00808 LDS R31,OSTCBCur+1
(0473) ST Z+,R28
0576 93C1 ST R28,Z+
(0474) ST Z+,R29 ; }
0577 93D1 ST R29,Z+
(0475)
(0476) uart0_udre_isr_1:
(0477) // CALL _Uart0Ud_Handler ; Handle the tick ISR
(0478)
(0479) CALL _OSIntExit ; Notify uC/OS-II about end of ISR
0578 940E072E CALL _OSIntExit
057A 9109 LD R16,Y+
057B BF0D OUT 0x3D,R16
057C 9109 LD R16,Y+
(0480)
(0481) POP_SP ; Restore the hardware stack pointer from task's stack
057D BF0E OUT 0x3E,R16
057E 9109 LD R16,Y+
(0482) POP_SREG ; Restore the SREG register
057F BF0F OUT 0x3F,R16
0580 9109 LD R16,Y+
0581 BF0B OUT 0x3B,R16
0582 91F9 LD R⌨️ 快捷键说明
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