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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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12
src/ca65/instr.c
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@@ -6,7 +6,7 @@
/* */
/* */
/* */
/* (C) 1998-2011, Ullrich von Bassewitz */
/* (C) 1998-2012, Ullrich von Bassewitz */
/* Roemerstrasse 52 */
/* D-70794 Filderstadt */
/* EMail: uz@cc65.org */
@@ -1007,6 +1007,16 @@ static int EvalEA (const InsDesc* Ins, EffAddr* A)
/* Build the opcode */
A->Opcode = Ins->BaseCode | EATab[Ins->ExtCode][A->AddrMode];
/* If feature force_range is active, and we have immediate addressing mode,
* limit the expression to the maximum possible value.
*/
if (A->AddrMode == AM65I_IMM_ACCU || A->AddrMode == AM65I_IMM_INDEX ||
A->AddrMode == AM65I_IMM_IMPLICIT) {
if (ForceRange && A->Expr) {
A->Expr = MakeBoundedExpr (A->Expr, ExtBytes[A->AddrMode]);
}
}
/* Success */
return 1;
}