regusre.h

这是本人有幸收集的最完整的10多级液晶显示程序模块

sfr WDTRST = 0xA6;
sfr  WDTPRG = 0xa7;
sfr  T2MOD = 0xc9;
sfr AUXR = 0x8e;	//内外扩展RAM选择
sfr P_3 = 0xB0;
//sfr WD_SDA = 0xB6;