 C166 User's Guide | |
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C166 User's Guide
C166 Introduction Compiling Programs Language Extensions Preprocessor Advanced Programming Error Messages Library Reference Appendix A. ANSI C Implementation
Implementation-defined Behavior Compiler-Related Library-Related B. Version Differences Version 4.0 Differences Version 3.0 Differences Version 2.6 Differences Version 2.0 Differences Version 1.0 Differences C. Writing Optimum Code Memory Model Variable Location Variable Size Automatic Variables Avoid far/huge Pointer Cast Optimum C16x Code Other Sources D. Compiler Limits Compiler Limitations OMF Limitations E. Byte Ordering F. Hints, Tips, and Techniques Using Interrupts Program Execution Using the PEC Stack Problems Using Monitor-166 Using the bdata Type Using TRAPS.CVersion 3.0 Differences
- Startup Code
The startup code supports more features and greater flexibility. When upgrading existing applications, be sure to use the new startup code. - Optimizer Level 7
The C166 Compiler supports Optimizer Level 7 (OPTIMIZE(7)) which adds Common Tail Merging. Refer to OPTIMIZE for more information. - _pop_ Intrinsic Library Routine
The _pop_ library routine pops words off of the system stack. - _prior_ Intrinsic Library Routine
The _prior_ library routine calculates the number of shifts required to normalize a word. - _priord_ Intrinsic Library Routine
The _priord_ library routine calculates the number of shifts required to normalize a 32-bit value. - _push_ Intrinsic Library Routine
The _push_ library routine pushes words onto the system stack. - strtod Library Routine
The strtod library routine converts a string to a double. - strtol Library Routine
The strtol library routine converts a string to a long. - strtoul Library Routine
The strtoul library routine converts a string to an unsigned long. - ASMEXPAND and NOASMEXPAND Directives
The ASMEXPAND and NOASMEXPAND directives select whether or not the C preprocessor expands symbols in ASM/ENDASM blocks. - BYTEALIGN Directive
The BYTEALIGN directive enables compiler support for pointers to byte-aligned structures. - DYNAMICUSRSTK Directive
The DYNAMICUSRSTK directive allows you to specify that the user stack is dynamic. This is required for custom real-time kernels that change the stack for each task. - EXTINS Directive
The EXTINS directive causes the compiler to terminate EXT sequences on a line-by-line basis. This eases debugging and makes it easier to follow program execution because single-steps execute a single line at a time. - FIXPEC Directive
The FIXPEC directive prevents the compiler from generating JMP-to-JMP constructs that may cause problems with the PEC on some C16x/ST10 devices. - NOFRAME Directive
The NOFRAME directive specifies that interrupt service routines are created without prolog or epilog code. - PACK Directive
The PACK directive allows you to specify the alignment the compiler uses when packing structures. - PREPRINTONLY Directive
The PREPRINTONLY directive allows the compiler to generate a preprocessor listing file without creating an object file.
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