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I create a C51 project and write just one A51 subroutine(for speed).I define some SFR in the header file just like sbit FLASH_CS = P1^1; sbit A19 = P3^5; sbit A18 = P3^4; sbit A17 = P3^3; sbit A16 = P3^2; How can I declare them in the A51 subroutine?It seems that the EXTRN directive can't help me!
The A51 can support the #include statment!It's impossible in MASM.I have done it.Many thanks.