gbdev/rgbds
1
0
Fork 0
mirror of https://github.com/gbdev/rgbds.git synced 2025-11-23 03:22:08 +00:00
Code Issues Packages Projects Releases Wiki Activity

rgbasm: refactor bank range checking, and bump the SRAM limit.

Browse Source 
This doesn’t affect rgblink, which still needs work.
This commit is contained in:
Anthony J. Bentley
2015-10-05 16:56:37 -06:00
parent 6c10ca62ad
commit 31294d6d9d
1 changed files with 47 additions and 66 deletions
Download Patch File Download Diff File Expand all files Collapse all files

111
src/asm/asmy.y
View File

@@ -20,6 +20,49 @@
char *tzNewMacro; char *tzNewMacro;
ULONG ulNewMacroSize; ULONG ulNewMacroSize;
void
bankrangecheck(char *name, ULONG secttype, SLONG org, SLONG bank)
{
SLONG minbank, maxbank;
char *stype;
switch (secttype) {
case SECT_ROMX:
stype = "ROMX";
minbank = 1;
maxbank = 0x1ff;
break;
case SECT_SRAM:
stype = "SRAM";
minbank = 0;
maxbank = 0x1ff;
break;
case SECT_WRAMX:
stype = "WRAMX";
minbank = 1;
maxbank = 7;
break;
case SECT_VRAM:
stype = "VRAM";
minbank = 0;
maxbank = 1;
break;
default:
yyerror("BANK only allowed for "
"ROMX, WRAMX, SRAM, or VRAM sections");
}
if (bank < minbank || bank > maxbank) {
yyerror("%s bank value $%x out of range ($%x to $%x)",
stype, bank, minbank, maxbank);
}
if (secttype == SECT_WRAMX) {
bank -= minbank;
}
out_NewAbsSection(name, secttype, org, bank);
}
size_t symvaluetostring(char *dest, size_t maxLength, char *sym) size_t symvaluetostring(char *dest, size_t maxLength, char *sym)
{ {
size_t length; size_t length;
@@ -1054,76 +1097,14 @@ section:
} }
| T_POP_SECTION string ',' sectiontype ',' T_OP_BANK '[' const ']' | T_POP_SECTION string ',' sectiontype ',' T_OP_BANK '[' const ']'
{ {
if( $4==SECT_ROMX ) { bankrangecheck($2, $4, -1, $8);
if( $8>=1 && $8<=0x1ff )
out_NewAbsSection($2,$4,-1,$8);
else
yyerror("ROM bank value $%x out of range (1 to $1ff)", $8);
} else if ($4 == SECT_SRAM) {
if ($8 >= 0 && $8 <= 3) {
out_NewAbsSection($2, $4, -1, $8);
} else {
yyerror("SRAM bank value $%x out of range (0 to 3)", $8);
}
} else if ($4 == SECT_WRAMX) {
if ($8 >= 1 && $8 <= 7) {
out_NewAbsSection($2, $4, -1, $8 - 1);
} else {
yyerror("WRAMX bank value $%x out of range (1 to 7)", $8);
}
} 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 ROMX, WRAMX, SRAM, or VRAM sections");
}
} }
| T_POP_SECTION string ',' sectiontype '[' const ']' ',' T_OP_BANK '[' const ']' | T_POP_SECTION string ',' sectiontype '[' const ']' ',' T_OP_BANK '[' const ']'
{ {
if( $4==SECT_ROMX ) { if ($6 < 0 || $6 > 0x10000) {
if( $6>=0 && $6<0x10000 ) {
if( $11>=1 && $11<=0x1ff )
out_NewAbsSection($2,$4,$6,$11);
else
yyerror("ROM bank value $%x out of range (1 to $1ff)", $11);
} else
yyerror("Address $%x not 16-bit", $6);
} else if ($4 == SECT_SRAM) {
if ($6 >= 0 && $6 < 0x10000) {
if ($11 >= 0 && $11 <= 3) {
out_NewAbsSection($2, $4, $6, $11);
} else {
yyerror("SRAM bank value $%x out of range (0 to 3)", $11);
}
} else {
yyerror("Address $%x not 16-bit", $6); yyerror("Address $%x not 16-bit", $6);
} }
} else if ($4 == SECT_WRAMX) { bankrangecheck($2, $4, $6, $11);
if ($6 >= 0 && $6 < 0x10000) {
if ($11 >= 1 && $11 <= 7) {
out_NewAbsSection($2, $4, $6, $11 - 1);
} else {
yyerror("WRAMX bank value $%x out of range (1 to 7)", $11);
}
} else {
yyerror("Address $%x not 16-bit", $6);
}
} 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 ROMX, WRAMX, SRAM, or VRAM sections");
}
} }
; ;