Questions tagged [c51]

I want to compile a program under the SDCC that I used to compile under C51.. // Somewhere in a header file for C51: sfr TCON = 0xA8; // C51 syntax // somewhere in a .c-file #pragma asm mov TCON, #0 #pragma endasm This will be translated…

I'm not very into assembly but for a project I have to modify a few lines of assembly code for the C51 C compiler to the SDCC. This is code for C51 setb T1Run setb T0Run setb IDLE jnb T0Full, $ Which, compiled with SDCC…

Check this two cases in Keil C51 and observe P0 peripheral option in debugger for both cases. The result is different in two cases.Why P0=0xFF; instruction doesn't produce same result? case 1) main() {P0=0x00; P0=0xFF; while(1); } case…