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Added additional 65(S)C02 opcodes

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git-svn-id: svn://svn.cc65.org/cc65/trunk@2254 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
cuz
2003-08-08 19:23:55 +00:00
parent 897f3e9530
commit 11328d8ea6
8 changed files with 1110 additions and 1072 deletions
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104
src/da65/handler.c
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@@ -43,9 +43,9 @@
#include "code.h"
#include "error.h"
#include "global.h"
#include "handler.h"
#include "opctable.h"
#include "output.h"
#include "handler.h"
@@ -90,34 +90,34 @@ static void OneLine (const OpcDesc* D, const char* Arg, ...)
static const char* GetAddrArg (const OpcDesc* D, unsigned Addr)
static const char* GetAddrArg (unsigned Flags, unsigned Addr)
/* Return an address argument - a label if we have one, or the address itself */
{
const char* Label = 0;
if (D->LabelFlag & lfUseLabel) {
Label = GetLabel (Addr);
if (Flags & flUseLabel) {
Label = GetLabel (Addr);
}
if (Label) {
return Label;
return Label;
} else {
static char Buf [32];
if (Addr < 0x100) {
xsprintf (Buf, sizeof (Buf), "$%02X", Addr);
} else {
xsprintf (Buf, sizeof (Buf), "$%04X", Addr);
}
return Buf;
static char Buf [32];
if (Addr < 0x100) {
xsprintf (Buf, sizeof (Buf), "$%02X", Addr);
} else {
xsprintf (Buf, sizeof (Buf), "$%04X", Addr);
}
return Buf;
}
}
static void GenerateLabel (const OpcDesc* D, unsigned Addr)
static void GenerateLabel (unsigned Flags, unsigned Addr)
/* Generate a label in pass one if requested */
{
if (Pass == 1 && !HaveLabel (Addr)) {
if ((D->LabelFlag & lfGenLabel) != 0 ||
((D->LabelFlag & lfUseLabel) != 0 && Addr >= CodeStart && Addr <= CodeEnd)) {
if ((Flags & flGenLabel) != 0 ||
((Flags & flUseLabel) != 0 && Addr >= CodeStart && Addr <= CodeEnd)) {
AddLabel (Addr, atIntLabel, MakeLabelName (Addr));
}
}
@@ -131,6 +131,13 @@ static void GenerateLabel (const OpcDesc* D, unsigned Addr)
void OH_Illegal (const OpcDesc* D attribute ((unused)))
{
DataByteLine (1);
}
void OH_Accumulator (const OpcDesc* D)
{
OneLine (D, "a");
@@ -160,10 +167,10 @@ void OH_Direct (const OpcDesc* D)
unsigned Addr = GetCodeByte (PC+1);
/* Generate a label in pass 1 */
GenerateLabel (D, Addr);
GenerateLabel (D->Flags, Addr);
/* Output the line */
OneLine (D, "%s", GetAddrArg (D, Addr));
OneLine (D, "%s", GetAddrArg (D->Flags, Addr));
}
@@ -174,10 +181,10 @@ void OH_DirectX (const OpcDesc* D)
unsigned Addr = GetCodeByte (PC+1);
/* Generate a label in pass 1 */
GenerateLabel (D, Addr);
GenerateLabel (D->Flags, Addr);
/* Output the line */
OneLine (D, "%s,x", GetAddrArg (D, Addr));
OneLine (D, "%s,x", GetAddrArg (D->Flags, Addr));
}
@@ -188,10 +195,10 @@ void OH_DirectY (const OpcDesc* D)
unsigned Addr = GetCodeByte (PC+1);
/* Generate a label in pass 1 */
GenerateLabel (D, Addr);
GenerateLabel (D->Flags, Addr);
/* Output the line */
OneLine (D, "%s,y", GetAddrArg (D, Addr));
OneLine (D, "%s,y", GetAddrArg (D->Flags, Addr));
}
@@ -202,10 +209,10 @@ void OH_Absolute (const OpcDesc* D)
unsigned Addr = GetCodeWord (PC+1);
/* Generate a label in pass 1 */
GenerateLabel (D, Addr);
GenerateLabel (D->Flags, Addr);
/* Output the line */
OneLine (D, "%s", GetAddrArg (D, Addr));
OneLine (D, "%s", GetAddrArg (D->Flags, Addr));
}
@@ -216,10 +223,10 @@ void OH_AbsoluteX (const OpcDesc* D)
unsigned Addr = GetCodeWord (PC+1);
/* Generate a label in pass 1 */
GenerateLabel (D, Addr);
GenerateLabel (D->Flags, Addr);
/* Output the line */
OneLine (D, "%s,x", GetAddrArg (D, Addr));
OneLine (D, "%s,x", GetAddrArg (D->Flags, Addr));
}
@@ -230,10 +237,10 @@ void OH_AbsoluteY (const OpcDesc* D)
unsigned Addr = GetCodeWord (PC+1);
/* Generate a label in pass 1 */
GenerateLabel (D, Addr);
GenerateLabel (D->Flags, Addr);
/* Output the line */
OneLine (D, "%s,y", GetAddrArg (D, Addr));
OneLine (D, "%s,y", GetAddrArg (D->Flags, Addr));
}
@@ -261,10 +268,10 @@ void OH_Relative (const OpcDesc* D)
unsigned Addr = (unsigned) (((int) PC+2) + Offs);
/* Generate a label in pass 1 */
GenerateLabel (D, Addr);
GenerateLabel (D->Flags, Addr);
/* Output the line */
OneLine (D, "%s", GetAddrArg (D, Addr));
OneLine (D, "%s", GetAddrArg (D->Flags, Addr));
}
@@ -282,10 +289,10 @@ void OH_DirectIndirect (const OpcDesc* D)
unsigned Addr = GetCodeByte (PC+1);
/* Generate a label in pass 1 */
GenerateLabel (D, Addr);
GenerateLabel (D->Flags, Addr);
/* Output the line */
OneLine (D, "(%s)", GetAddrArg (D, Addr));
OneLine (D, "(%s)", GetAddrArg (D->Flags, Addr));
}
@@ -296,10 +303,10 @@ void OH_DirectIndirectY (const OpcDesc* D)
unsigned Addr = GetCodeByte (PC+1);
/* Generate a label in pass 1 */
GenerateLabel (D, Addr);
GenerateLabel (D->Flags, Addr);
/* Output the line */
OneLine (D, "(%s),y", GetAddrArg (D, Addr));
OneLine (D, "(%s),y", GetAddrArg (D->Flags, Addr));
}
@@ -310,10 +317,10 @@ void OH_DirectXIndirect (const OpcDesc* D)
unsigned Addr = GetCodeByte (PC+1);
/* Generate a label in pass 1 */
GenerateLabel (D, Addr);
GenerateLabel (D->Flags, Addr);
/* Output the line */
OneLine (D, "(%s,x)", GetAddrArg (D, Addr));
OneLine (D, "(%s,x)", GetAddrArg (D->Flags, Addr));
}
@@ -324,10 +331,33 @@ void OH_AbsoluteIndirect (const OpcDesc* D)
unsigned Addr = GetCodeWord (PC+1);
/* Generate a label in pass 1 */
GenerateLabel (D, Addr);
GenerateLabel (D->Flags, Addr);
/* Output the line */
OneLine (D, "(%s)", GetAddrArg (D, Addr));
OneLine (D, "(%s)", GetAddrArg (D->Flags, Addr));
}
void OH_BitBranch (const OpcDesc* D)
{
/* Get the operands */
unsigned char TestAddr = GetCodeByte (PC+1);
signed char BranchOffs = GetCodeByte (PC+2);
/* Calculate the target address for the branch */
unsigned BranchAddr = (unsigned) (((int) PC+3) + BranchOffs);
/* Generate labels in pass 1. The bit branch codes are special in that
* they don't really match the remainder of the 6502 instruction set (they
* are a Rockwell addon), so we must pass additional flags as direct
* value to the second GenerateLabel call.
*/
GenerateLabel (D->Flags, TestAddr);
GenerateLabel (flLabel, BranchAddr);
/* Output the line */
OneLine (D, "%s,%s", GetAddrArg (D->Flags, TestAddr), GetAddrArg (flLabel, BranchAddr));
}