diff options
Diffstat (limited to 'include/const_macros.inc')
| -rw-r--r-- | include/const_macros.inc | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/include/const_macros.inc b/include/const_macros.inc new file mode 100644 index 0000000..5cbdd2a --- /dev/null +++ b/include/const_macros.inc @@ -0,0 +1,43 @@ +const_def: macro +if _NARG >= 1 +const_value = \1 +else +const_value = 0 +endc +if _NARG >= 2 +const_inc = \2 +else +const_inc = 1 +endc +endm + +const: macro +\1 EQU const_value +const_value = const_value + const_inc +endm + +shift_const: macro +\1 EQU (1 << const_value) +const_value = const_value + const_inc +endm + +const_skip: macro +if _NARG >= 1 +const_value = const_value + const_inc * (\1) +else +const_value = const_value + const_inc +endc +endm + +const_next: macro +if (const_value > 0 && \1 < const_value) || (const_value < 0 && \1 > const_value) +fail "const_next cannot go backwards from {const_value} to \1" +else +const_value = \1 +endc +endm + +const_dw: macro + const \1 + dw \2 +endm |