| Section |
VHDL Construct |
VHDL 1987 Support Note (1) |
VHDL 1993 Support Note (1) |
| 13.1 |
Character Set |
Supported, but only 7-bit ASCII characters are allowed. The full 8-bit VHDL character set will be supported in a future release of the Quartus II software. |
Supported, but only 7-bit ASCII characters are allowed. The full 8-bit VHDL character set will be supported in a future release of the Quartus II software. |
| 13.2 |
Lexical Elements, Separators & Delimiters |
Supported. |
Supported. |
| 13.3 |
Identifiers |
Supported. |
Supported. |
| 13.3.1 (1993) |
Basic Identifiers |
n/a |
Supported. |
| 13.3.2 (1993) |
Extended Identifiers |
n/a |
Supported. However, extended identifiers are not distinct from basic identifiers. For example, \my_id\ and my_id are the same identifier. |
| 13.4 |
Abstract Literals |
Supported. |
Supported. |
| 13.4.1 |
Decimal Literals |
Supported. |
Supported. |
| 13.4.2 |
Based Literals |
Supported. |
Supported. |
| 13.5 |
Character Literals |
Supported. |
Supported. |
| 13.6 |
String Literals |
Supported. |
Supported. |
| 13.7 |
Bit String Literals |
Supported. |
Supported. |
| 13.8 |
Comments |
Supported. |
Supported. |
| 13.9 |
Reserved Words |
Supported. |
Supported. |
| 13.10 |
Allowable Replacements of Characters |
Supported. |
Supported. |
