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Add bounded expressions for immediate addressing and list the new feature in

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the docs.


git-svn-id: svn://svn.cc65.org/cc65/trunk@5406 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
uz
2012-01-18 19:50:34 +00:00
parent 0e4f581f71
commit 7ecb4c50b1
11 changed files with 185 additions and 40 deletions
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28
src/ca65/pseudo.c
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@@ -370,12 +370,12 @@ static void DoAddr (void)
/* Parse arguments */
while (1) {
if (GetCPU() == CPU_65816) {
EmitWord (GenWordExpr (Expression ()));
} else {
ExprNode* Expr = Expression ();
if (GetCPU () == CPU_65816 || ForceRange) {
/* Do a range check */
EmitWord (Expression ());
}
Expr = GenWordExpr (Expr);
}
EmitWord (Expr);
if (CurTok.Tok != TOK_COMMA) {
break;
} else {
@@ -586,7 +586,7 @@ static void DoByte (void)
EmitStrBuf (&CurTok.SVal);
NextTok ();
} else {
EmitByte (Expression ());
EmitByte (BoundedExpr (Expression, 1));
}
if (CurTok.Tok != TOK_COMMA) {
break;
@@ -595,7 +595,7 @@ static void DoByte (void)
/* Do smart handling of dangling comma */
if (CurTok.Tok == TOK_SEP) {
Error ("Unexpected end of line");
break;
break;
}
}
}
@@ -791,7 +791,7 @@ static void DoDByt (void)
/* Parse arguments */
while (1) {
EmitWord (GenSwapExpr (Expression ()));
EmitWord (GenSwapExpr (BoundedExpr (Expression, 2)));
if (CurTok.Tok != TOK_COMMA) {
break;
} else {
@@ -865,7 +865,7 @@ static void DoDWord (void)
/* Define dwords */
{
while (1) {
EmitDWord (Expression ());
EmitDWord (BoundedExpr (Expression, 4));
if (CurTok.Tok != TOK_COMMA) {
break;
} else {
@@ -965,7 +965,7 @@ static void DoFarAddr (void)
/* Parse arguments */
while (1) {
EmitFarAddr (Expression ());
EmitFarAddr (BoundedExpr (Expression, 3));
if (CurTok.Tok != TOK_COMMA) {
break;
} else {
@@ -1936,7 +1936,7 @@ static void DoWord (void)
/* Parse arguments */
while (1) {
EmitWord (Expression ());
EmitWord (BoundedExpr (Expression, 2));
if (CurTok.Tok != TOK_COMMA) {
break;
} else {
@@ -1970,14 +1970,14 @@ static void DoZeropage (void)
/* Control commands flags */
enum {
ccNone = 0x0000, /* No special flags */
ccKeepToken = 0x0001 /* Do not skip the current token */
ccNone = 0x0000, /* No special flags */
ccKeepToken = 0x0001 /* Do not skip the current token */
};
/* Control command table */
typedef struct CtrlDesc CtrlDesc;
struct CtrlDesc {
unsigned Flags; /* Flags for this directive */
unsigned Flags; /* Flags for this directive */
void (*Handler) (void); /* Command handler */
};