• Unknown opcode SWI_Handler
    Hi all I have just started to use uVision3 to simulate LPC2368 using RTX kernel. I followed description on uVision3 Help (Create New RTX Application). When I write a simple prog. I get this Error...
  • A1163E: Unknown opcode InFileName
    Hi, I need to save the values ​​in a .txt file that have the registers that go from R3 to R8. The condigo that you enter presents the following error: final.s (18): error: A1163E: Unknown opcode...
  • About Opcodes in 8051 Instruction Set Manual
    http://www.keil.com/support/man/docs/is51/is51_opcodes.htm lists 8051 instructions by HEX code. I had saw a line and make me confused. Why MOV direct, R8 appear in Hex Code 90 ? I mean, in other...
  • difference between opcode and hexcode
    can u tell the difference between opcode and hexcode
  • Assembly instructions to opcode conversion
    Hello, I would like to know if there is any pattern that the compiler follows to write the correspoding opcode into the .hex file I tried to figure out patterns, but there is always some other instruction...