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Diffstat (limited to 'doc/casm.html')
| -rw-r--r-- | doc/casm.html | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/doc/casm.html b/doc/casm.html index 28284f8..31e1d92 100644 --- a/doc/casm.html +++ b/doc/casm.html @@ -238,15 +238,18 @@ of a string constant).</li> <li>Labels must start in column zero (the left hand most column).</li> <ul> + <li>It is an error to redefine a global label that already exists.</li> + <li>If the label ends with a colon (:) then the colon is removed.</li> <li>If the label doesn't start with a period (.) then it is assumed a global label.</li> <li>If the label starts with a period (.) then it is assumed to be a local - label. Local labels are associated with the preceding global label. - If a global label and related local label have the same name, the local - label will be used on expansion.</li> + label. Local labels are associated with the preceding global label. If + a local label has the same name as a global variable the local value will be + used on expansion. If a local label already exists with the same name it + is an error.</li> <li>Any label can be followed by an <code>equ</code> directive, in which case the label is set to that value rather than the current program counter.</li> |