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楼主 |
发表于 2009-1-10 19:22:33
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证据:
from pro V4.00a
EMU_CMD_UPDATE
0012799C B580 PUSH {R7, LR}
0012799E 4807 LDR R0, [PC,#0x01C] ; R0 = [0x1279BC] =0x206300
001279A0 2100 MOV R1, #0 ; R1 = 0
001279A2 6001 STR R1, [R0, #0] ; [0x206300] = 0
001279A4 2001 MOV R0, #1 ; R0 = 1
001279A6 F7FD ; pre BL/BLX
001279A8 FC49 BL 0x12523C ; USB send 1 byte
001279AA 2064 MOV R0, #100 ; R0 = 100
001279AC F7F9 ; pre BL/BLX
001279AE FF3E BL 0x12182C ; delay_ms(100)
001279B0 4803 LDR R0, [PC,#0x00C] ; R0 = [0x1279C0] =0x200040
001279B2 4904 LDR R1, [PC,#0x010] ; R1 = [0x1279C4] =0x12344321
001279B4 6001 STR R1, [R0, #0] ; [0x200040] = 0x12344321
001279B6 F7F5 ; pre BL/BLX
001279B8 FE09 BL 0x11D5CC ; processor_reset
001279BA BD01 POP {R0, PC}
001279BC 00206300 DW
001279C0 00200040 DW
001279C4 12344321 DW |
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