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Implement VRAM banks.

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This commit is contained in:
Anthony J. Bentley
2013-05-20 00:59:15 -06:00
parent 6ccd386587
commit 35448887af
3 changed files with 182 additions and 25 deletions
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28
src/asm/gameboy/yaccprt4.y
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@@ -17,8 +17,15 @@ section:
out_NewAbsSection($2,$4,-1,$8);
else
yyerror("ROM bank value $%x out of range (1 to $1ff)", $8);
} else
yyerror("BANK only allowed for CODE/DATA");
} else if ($4 == SECT_VRAM) {
if ($8 >= 0 && $8 <= 1) {
out_NewAbsSection($2, $4, -1, $8);
} else {
yyerror("VRAM bank value $%x out of range (0 to 1)", $8);
}
} else {
yyerror("BANK only allowed for CODE/DATA or VRAM sections");
}
}
| T_POP_SECTION string ',' sectiontype '[' const ']' ',' T_OP_BANK '[' const ']'
{
@@ -27,11 +34,22 @@ section:
if( $11>=1 && $11<=0x1ff )
out_NewAbsSection($2,$4,$6,$11);
else
yyerror("ROM bank value $%x out of range (1 to $1ff)", 8);
yyerror("ROM bank value $%x out of range (1 to $1ff)", $11);
} else
yyerror("Address $%x not 16-bit", $6);
} else
yyerror("BANK only allowed for CODE/DATA");
} else if ($4 == SECT_VRAM) {
if ($6 >= 0 && $6 < 0x10000) {
if ($11 >= 0 && $11 <= 1) {
out_NewAbsSection($2,$4,$6,$11);
} else {
yyerror("VRAM bank value $%x out of range (0 to 1)", $11);
}
} else {
yyerror("Address $%x not 16-bit", $6);
}
} else {
yyerror("BANK only allowed for CODE/DATA or VRAM sections");
}
}
;