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git-svn-id: svn://svn.cc65.org/cc65/trunk@2650 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
cuz 2003-11-12 16:40:14 +00:00
parent f174cda3d0
commit 7c5a400e01
2 changed files with 31 additions and 40 deletions
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39
src/ld65/expr.c
View file

@ -335,12 +335,33 @@ long GetExprVal (ExprNode* Expr)
case EXPR_GE:
return (GetExprVal (Expr->Left) >= GetExprVal (Expr->Right));
case EXPR_BOOLAND:
return GetExprVal (Expr->Left) && GetExprVal (Expr->Right);
case EXPR_BOOLOR:
return GetExprVal (Expr->Left) || GetExprVal (Expr->Right);
case EXPR_BOOLXOR:
return (GetExprVal (Expr->Left) != 0) ^ (GetExprVal (Expr->Right) != 0);
case EXPR_UNARY_MINUS:
return -GetExprVal (Expr->Left);
case EXPR_NOT:
return ~GetExprVal (Expr->Left);
case EXPR_SWAP:
Left = GetExprVal (Expr->Left);
return ((Left >> 8) & 0x00FF) | ((Left << 8) & 0xFF00);
case EXPR_BOOLNOT:
return !GetExprVal (Expr->Left);
case EXPR_FORCEWORD:
case EXPR_FORCEFAR:
/* These two have no effect on the expression result */
return GetExprVal (Expr->Left);
case EXPR_BYTE0:
return GetExprVal (Expr->Left) & 0xFF;
@ -353,21 +374,11 @@ long GetExprVal (ExprNode* Expr)
case EXPR_BYTE3:
return (GetExprVal (Expr->Left) >> 24) & 0xFF;
case EXPR_SWAP:
Left = GetExprVal (Expr->Left);
return ((Left >> 8) & 0x00FF) | ((Left << 8) & 0xFF00);
case EXPR_WORD0:
return GetExprVal (Expr->Left) & 0xFFFF;
case EXPR_BOOLAND:
return GetExprVal (Expr->Left) && GetExprVal (Expr->Right);
case EXPR_BOOLOR:
return GetExprVal (Expr->Left) || GetExprVal (Expr->Right);
case EXPR_BOOLXOR:
return (GetExprVal (Expr->Left) != 0) ^ (GetExprVal (Expr->Right) != 0);
case EXPR_BOOLNOT:
return !GetExprVal (Expr->Left);
case EXPR_WORD1:
return (GetExprVal (Expr->Left) >> 16) & 0xFFFF;
default:
Internal ("Unknown expression Op type: %u", Expr->Op);

30
src/ld65/o65.c
View file

@ -7,7 +7,7 @@
/* */
/* */
/* (C) 1999-2003 Ullrich von Bassewitz */
/* Römerstrasse 52 */
/* Römerstraße 52 */
/* D-70794 Filderstadt */
/* EMail: uz@cc65.org */
/* */
@ -350,16 +350,11 @@ static void O65ParseExpr (ExprNode* Expr, ExprDesc* D, int Sign)
*/
{
Export* E;
unsigned long Val;
switch (Expr->Op) {
case EXPR_LITERAL:
if (Sign < 0) {
D->Val -= Expr->V.Val;
} else {
D->Val += Expr->V.Val;
}
D->Val += (Sign * Expr->V.Val);
break;
case EXPR_SYMBOL:
@ -397,12 +392,7 @@ static void O65ParseExpr (ExprNode* Expr, ExprDesc* D, int Sign)
/* Remember the segment reference */
D->SecRef = GetExprSection (Expr);
/* Add the offset of the section to the constant value */
Val = D->SecRef->Offs + D->SecRef->Seg->PC;
if (Sign < 0) {
D->Val -= Val;
} else {
D->Val += Val;
}
D->Val += Sign * (D->SecRef->Offs + D->SecRef->Seg->PC);
}
break;
@ -414,12 +404,7 @@ static void O65ParseExpr (ExprNode* Expr, ExprDesc* D, int Sign)
/* Remember the segment reference */
D->SegRef = Expr->V.Seg;
/* Add the offset of the segment to the constant value */
Val = D->SegRef->PC;
if (Sign < 0) {
D->Val -= Val;
} else {
D->Val += Val;
}
D->Val += (Sign * D->SegRef->PC);
}
break;
@ -433,12 +418,7 @@ static void O65ParseExpr (ExprNode* Expr, ExprDesc* D, int Sign)
/* Add the start address of the memory area to the constant
* value
*/
Val = D->MemRef->Start;
if (Sign < 0) {
D->Val -= Val;
} else {
D->Val += Val;
}
D->Val += (Sign * D->MemRef->Start);
}
break;