C83Cpu

Cpu architecture identification macros for C and C++

3rd edition of the library

part of the C83Project
support for 8.3 file naming conventions with the exception of the main include and code files
support C89 and higher editions

Example of use

    printf("CPU test\n\r");
    printf("\n\r");

    printf("C83CPU_VERSION()      = %ld\n\r", C83CPU_VERSION());
    printf("\n\r");

    printf("First CPU ARCH        = %d\n\r", CPU_ARCH_6502);
    printf("First CPU ARCH NAME   = %s\n\r", CPU_ARCH_6502_NAME);
    printf("\n\r");

    printf("Last CPU ARCH         = %d\n\r", CPU_ARCH_ZILOGZ80);
    printf("Last CPU ARCH NAME    = %s\n\r", CPU_ARCH_ZILOGZ80_NAME);
    printf("\n\r");

    printf("Current CPU ARCH      = %d\n\r", CPU_ARCH);
    printf("Current CPU ARCH NAME = %s\n\r", CPU_ARCH_NAME);
    printf("\n\r");

Another example of use

    #if CPU_ARCH == 0
        #error "Unknown cpu architecture"
    #endif

    #if CPU_ARCH == CPU_ARCH_ZILOGZ80
        ...
        Zilog Z80 code
        ...
    #elif CPU_ARCH == CPU_ARCH_ZILOGZ180
        ...
        Zilog Z180 code
        ...
    #else
        ...
        other code
        ...
    #endif

Note:

It is completely impossible to fully test all cpu architecture combinations, so this library is not fully tested. If you have any improvements, please feel free to contact me.

Updates

2025 10 22 __SDCC_z180 added
2025 10 22 __SDCC_mos6502 added
2025 10 22 Arm32 and Arm64 bug fixed

2025 10 23 Alpha bug fixed
2025 10 23 Arm32 bug fixed
2025 10 23 IA32 bug fixed
2025 10 23 Sparc bug fixed

2025 10 30 CpuArch.h renamed to PCpuArch.h

2025 11 02 Detailed description

2025 11 04 6502 bug fixed