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Deprecate LDIO (#1567)

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* Deprecate `LDIO`

* `ld [$ff00+n8], a` is not treated as `ldh [n8], a`
This commit is contained in:
Sylvie
2024-12-05 12:49:13 -05:00
committed by GitHub
parent ceb43c7aa4
commit 573e044b30
6 changed files with 57 additions and 17 deletions
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8
src/asm/lexer.cpp
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@@ -329,6 +329,8 @@ static std::unordered_map<std::string, int, CaseInsensitive, CaseInsensitive> ke
{"OPT", T_(POP_OPT) },
};
static auto ldio = keywordDict.find("LDIO");
static bool isWhitespace(int c) {
return c == ' ' || c == '\t';
}
@@ -1168,8 +1170,12 @@ static Token readIdentifier(char firstChar, bool raw) {
// Attempt to check for a keyword if the identifier is not raw
if (!raw) {
if (auto search = keywordDict.find(identifier); search != keywordDict.end())
if (auto search = keywordDict.find(identifier); search != keywordDict.end()) {
if (search == ldio) {
warning(WARNING_OBSOLETE, "LDIO is deprecated; use LDH\n");
}
return Token(search->second);
}
}
// Label scopes `.` and `..` are the only nonlocal identifiers that start with a dot

4
src/asm/parser.y
View File

@@ -1752,8 +1752,8 @@ cpu_command:
| z80_jr
| z80_ld
| z80_ldd
| z80_ldh
| z80_ldi
| z80_ldio
| z80_nop
| z80_or
| z80_pop
@@ -1947,7 +1947,7 @@ z80_ldd:
}
;
z80_ldio:
z80_ldh:
Z80_LDH MODE_A COMMA op_mem_ind {
$4.makeCheckHRAM();