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Allow ld [b @:<len>] = "file.bin"[<ofs>:...]

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Rangi
2021-03-30 10:51:48 -04:00
parent 9a930988c2
commit 34c127d9c3
1 changed files with 16 additions and 3 deletions
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19
src/asm/parser.y
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@@ -430,6 +430,7 @@ enum {
%type <nConstValue> const_no_str
%type <nConstValue> uconst
%type <nConstValue> rs_uconst
%type <nConstValue> slice_const
%type <nConstValue> const_1bit
%type <nConstValue> const_3bit
%type <sVal> reloc_8bit
@@ -1623,6 +1624,10 @@ sectattrs : %empty {
}
;
slice_const : T_LBRACK T_TOKEN_B T_TOKEN_AT T_COLON const T_RBRACK {
$$ = $5;
}
;
cpu_command : T_Z80_LD z80_ld_args
| T_Z80_LD T_MODE_A T_COMMA z80_ld_a_comma_args
@@ -1900,10 +1905,18 @@ z80_ld_args : T_MODE_PC T_COMMA T_MODE_PC { out_AbsByte(0x00); } // $00: nop ==>
}
| T_LBRACK T_TOKEN_L T_TOKEN_AT T_COLON optional_ellipsis T_RBRACK T_COMMA constlist_32bit trailing_comma
// dl <ns...> ==> ld [l @:...], <ns...>
| T_LBRACK T_TOKEN_B T_TOKEN_AT T_COLON uconst T_RBRACK T_COMMA ds_args trailing_comma {
| slice_const T_COMMA ds_args trailing_comma {
// ds <len>, <ns...> ==> ld [b @:<len>], <ns...>
out_RelBytes($5, $8.args, $8.nbArgs);
freeDsArgList(&$8);
out_RelBytes($1, $3.args, $3.nbArgs);
freeDsArgList(&$3);
}
| slice_const T_POP_EQUAL string T_LBRACK const T_COLON optional_ellipsis T_RBRACK {
// INCBIN "file.bin", <ofs>, <len> ==> ld [b @:<len>] = "file.bin"[<ofs>:...]
if ($1 < 0)
fatalerror("Constant mustn't be negative: %d\n", $1);
out_BinaryFileSlice($3, $5, $1);
if (oFailedOnMissingInclude)
YYACCEPT;
}
;