#define LCD_ MODULE_ DATA_ PORT (*(char xdata *)0x50f
Author:guo Time:2021-07-21 09:36 Browse(161)
This is also called strange. You can see it in the MCU or arm header files. They are all "strange" instructions. This is the absolute address, LCD_ MODULE_ DATA_ PORT
This is also called strange. You can see it in the MCU or arm header files. They are all "strange" instructions. This is the absolute address, LCD_ MODULE_ DATA_ Port points to the absolute address of your Flash's 0x50ff.. 51 access to external ROM is like this.

#define LCD_ MODULE_ DATA_ PORT (*(char xdata *)0x50f

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