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asl/code7000.c

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/* code7000.c */
/*****************************************************************************/
/* AS-Portierung */
/* */
/* Codegenerator SH7x00 */
/* */
/* Historie: 25.12.1996 Grundsteinlegung */
/* 12. 4.1998 SH7700-Erweiterungen */
/* 3. 1.1999 ChkPC-Anpassung */
/* */
/*****************************************************************************/
#include "stdinc.h"
#include <ctype.h>
#include <string.h>
#include "bpemu.h"
#include "strutil.h"
#include "asmdef.h"
#include "asmsub.h"
#include "asmpars.h"
#include "asmallg.h"
#include "codepseudo.h"
#include "codevars.h"
#define FixedOrderCount 13
#define OneRegOrderCount 22
#define TwoRegOrderCount 20
#define MulRegOrderCount 3
#define BWOrderCount 3
#define LogOrderCount 4
#define ModNone (-1)
#define ModReg 0
#define MModReg (1 << ModReg)
#define ModIReg 1
#define MModIReg (1 << ModIReg)
#define ModPreDec 2
#define MModPreDec (1 << ModPreDec)
#define ModPostInc 3
#define MModPostInc (1 << ModPostInc)
#define ModIndReg 4
#define MModIndReg (1 << ModIndReg)
#define ModR0Base 5
#define MModR0Base (1 << ModR0Base)
#define ModGBRBase 6
#define MModGBRBase (1 << ModGBRBase)
#define ModGBRR0 7
#define MModGBRR0 (1 << ModGBRR0)
#define ModPCRel 8
#define MModPCRel (1 << ModPCRel)
#define ModImm 9
#define MModImm (1 << ModImm)
#define CompLiteralsName "COMPRESSEDLITERALS"
typedef struct
{
char *Name;
CPUVar MinCPU;
Boolean Priv;
Word Code;
} FixedOrder;
typedef struct
{
char *Name;
CPUVar MinCPU;
Boolean Priv;
Word Code;
ShortInt DefSize;
} TwoRegOrder;
typedef struct
{
char *Name;
CPUVar MinCPU;
Word Code;
} FixedMinOrder;
typedef struct _TLiteral
{
struct _TLiteral *Next;
LongInt Value,FCount;
Boolean Is32,IsForward;
Integer PassNo;
LongInt DefSection;
} *PLiteral,TLiteral;
static ShortInt OpSize; /* Groesse=8*(2^OpSize) */
static ShortInt AdrMode; /* Ergebnisadressmodus */
static Word AdrPart; /* Adressierungsmodusbits im Opcode */
static PLiteral FirstLiteral;
static LongInt ForwardCount;
static SimpProc SaveInitProc;
static CPUVar CPU7000,CPU7600,CPU7700;
static FixedOrder *FixedOrders;
static FixedMinOrder *OneRegOrders;
static TwoRegOrder *TwoRegOrders;
static FixedMinOrder *MulRegOrders;
static FixedOrder *BWOrders;
static char **LogOrders;
static Boolean CurrDelayed,PrevDelayed,CompLiterals;
static LongInt DelayedAdr;
/*-------------------------------------------------------------------------*/
/* dynamische Belegung/Freigabe Codetabellen */
static void AddFixed(char *NName, Word NCode, Boolean NPriv, CPUVar NMin)
BEGIN
if (InstrZ>=FixedOrderCount) exit(255);
FixedOrders[InstrZ].Name=NName;
FixedOrders[InstrZ].Priv=NPriv;
FixedOrders[InstrZ].MinCPU=NMin;
FixedOrders[InstrZ++].Code=NCode;
END
static void AddOneReg(char *NName, Word NCode, CPUVar NMin)
BEGIN
if (InstrZ>=OneRegOrderCount) exit(255);
OneRegOrders[InstrZ].Name=NName;
OneRegOrders[InstrZ].Code=NCode;
OneRegOrders[InstrZ++].MinCPU=NMin;
END
static void AddTwoReg(char *NName, Word NCode, Boolean NPriv, CPUVar NMin, ShortInt NDef)
BEGIN
if (InstrZ>=TwoRegOrderCount) exit(255);
TwoRegOrders[InstrZ].Name=NName;
TwoRegOrders[InstrZ].Priv=NPriv;
TwoRegOrders[InstrZ].DefSize=NDef;
TwoRegOrders[InstrZ].MinCPU=NMin;
TwoRegOrders[InstrZ++].Code=NCode;
END
static void AddMulReg(char *NName, Word NCode, CPUVar NMin)
BEGIN
if (InstrZ>=MulRegOrderCount) exit(255);
MulRegOrders[InstrZ].Name=NName;
MulRegOrders[InstrZ].Code=NCode;
MulRegOrders[InstrZ++].MinCPU=NMin;
END
static void AddBW(char *NName, Word NCode)
BEGIN
if (InstrZ>=BWOrderCount) exit(255);
BWOrders[InstrZ].Name=NName;
BWOrders[InstrZ++].Code=NCode;
END
static void InitFields(void)
BEGIN
FixedOrders=(FixedOrder *) malloc(sizeof(FixedOrder)*FixedOrderCount); InstrZ=0;
AddFixed("CLRT" ,0x0008,False,CPU7000);
AddFixed("CLRMAC",0x0028,False,CPU7000);
AddFixed("NOP" ,0x0009,False,CPU7000);
AddFixed("RTE" ,0x002b,False,CPU7000);
AddFixed("SETT" ,0x0018,False,CPU7000);
AddFixed("SLEEP" ,0x001b,False,CPU7000);
AddFixed("RTS" ,0x000b,False,CPU7000);
AddFixed("DIV0U" ,0x0019,False,CPU7000);
AddFixed("BRK" ,0x0000,True ,CPU7000);
AddFixed("RTB" ,0x0001,True ,CPU7000);
AddFixed("CLRS" ,0x0048,False,CPU7700);
AddFixed("SETS" ,0x0058,False,CPU7700);
AddFixed("LDTLB" ,0x0038,True ,CPU7700);
OneRegOrders=(FixedMinOrder *) malloc(sizeof(FixedMinOrder)*OneRegOrderCount); InstrZ=0;
AddOneReg("MOVT" ,0x0029,CPU7000); AddOneReg("CMP/PZ",0x4011,CPU7000);
AddOneReg("CMP/PL",0x4015,CPU7000); AddOneReg("ROTL" ,0x4004,CPU7000);
AddOneReg("ROTR" ,0x4005,CPU7000); AddOneReg("ROTCL" ,0x4024,CPU7000);
AddOneReg("ROTCR" ,0x4025,CPU7000); AddOneReg("SHAL" ,0x4020,CPU7000);
AddOneReg("SHAR" ,0x4021,CPU7000); AddOneReg("SHLL" ,0x4000,CPU7000);
AddOneReg("SHLR" ,0x4001,CPU7000); AddOneReg("SHLL2" ,0x4008,CPU7000);
AddOneReg("SHLR2" ,0x4009,CPU7000); AddOneReg("SHLL8" ,0x4018,CPU7000);
AddOneReg("SHLR8" ,0x4019,CPU7000); AddOneReg("SHLL16",0x4028,CPU7000);
AddOneReg("SHLR16",0x4029,CPU7000); AddOneReg("LDBR" ,0x0021,CPU7000);
AddOneReg("STBR" ,0x0020,CPU7000); AddOneReg("DT" ,0x4010,CPU7600);
AddOneReg("BRAF" ,0x0032,CPU7600); AddOneReg("BSRF" ,0x0003,CPU7600);
TwoRegOrders=(TwoRegOrder *) malloc(sizeof(TwoRegOrder)*TwoRegOrderCount); InstrZ=0;
AddTwoReg("XTRCT" ,0x200d,False,CPU7000,2);
AddTwoReg("ADDC" ,0x300e,False,CPU7000,2);
AddTwoReg("ADDV" ,0x300f,False,CPU7000,2);
AddTwoReg("CMP/HS",0x3002,False,CPU7000,2);
AddTwoReg("CMP/GE",0x3003,False,CPU7000,2);
AddTwoReg("CMP/HI",0x3006,False,CPU7000,2);
AddTwoReg("CMP/GT",0x3007,False,CPU7000,2);
AddTwoReg("CMP/STR",0x200c,False,CPU7000,2);
AddTwoReg("DIV1" ,0x3004,False,CPU7000,2);
AddTwoReg("DIV0S" ,0x2007,False,CPU7000,-1);
AddTwoReg("MULS" ,0x200f,False,CPU7000,1);
AddTwoReg("MULU" ,0x200e,False,CPU7000,1);
AddTwoReg("NEG" ,0x600b,False,CPU7000,2);
AddTwoReg("NEGC" ,0x600a,False,CPU7000,2);
AddTwoReg("SUB" ,0x3008,False,CPU7000,2);
AddTwoReg("SUBC" ,0x300a,False,CPU7000,2);
AddTwoReg("SUBV" ,0x300b,False,CPU7000,2);
AddTwoReg("NOT" ,0x6007,False,CPU7000,2);
AddTwoReg("SHAD" ,0x400c,False,CPU7700,2);
AddTwoReg("SHLD" ,0x400d,False,CPU7700,2);
MulRegOrders=(FixedMinOrder *) malloc(sizeof(FixedMinOrder)*MulRegOrderCount); InstrZ=0;
AddMulReg("MUL" ,0x0007,CPU7600);
AddMulReg("DMULU" ,0x3005,CPU7600);
AddMulReg("DMULS" ,0x300d,CPU7600);
BWOrders=(FixedOrder *) malloc(sizeof(FixedOrder)*BWOrderCount); InstrZ=0;
AddBW("SWAP",0x6008); AddBW("EXTS",0x600e); AddBW("EXTU",0x600c);
LogOrders=(char **) malloc(sizeof(char *)*LogOrderCount); InstrZ=0;
LogOrders[InstrZ++]="TST"; LogOrders[InstrZ++]="AND";
LogOrders[InstrZ++]="XOR"; LogOrders[InstrZ++]="OR" ;
END
static void DeinitFields(void)
BEGIN
free(FixedOrders);
free(OneRegOrders);
free(TwoRegOrders);
free(MulRegOrders);
free(BWOrders);
free(LogOrders);
END
/*-------------------------------------------------------------------------*/
/* die PC-relative Adresse: direkt nach verzoegerten Spruengen = Sprungziel+2 */
static LongInt PCRelAdr(void)
BEGIN
if (PrevDelayed) return DelayedAdr+2;
else return EProgCounter()+4;
END
static void ChkDelayed(void)
BEGIN
if (PrevDelayed) WrError(200);
END
/*-------------------------------------------------------------------------*/
/* Adressparsing */
static char *LiteralName(PLiteral Lit)
BEGIN
String Tmp;
static String Result;
if (Lit->IsForward) sprintf(Tmp,"F_%s",HexString(Lit->FCount,8));
else if (Lit->Is32) sprintf(Tmp,"L_%s",HexString(Lit->Value,8));
else sprintf(Tmp,"W_%s",HexString(Lit->Value,4));
sprintf(Result,"LITERAL_%s_%s",Tmp,HexString(Lit->PassNo,0));
return Result;
END
/*
static void PrintLiterals(void)
BEGIN
PLiteral Lauf;
WrLstLine("LiteralList");
Lauf=FirstLiteral;
while (Lauf!=Nil)
BEGIN
WrLstLine(LiteralName(Lauf)); Lauf=Lauf->Next;
END
END
*/
static void SetOpSize(ShortInt Size)
BEGIN
if (OpSize==-1) OpSize=Size;
else if (Size!=OpSize)
BEGIN
WrError(1131); AdrMode=ModNone;
END
END
static Boolean DecodeReg(char *Asc, Byte *Erg)
BEGIN
Boolean Err;
if (strcasecmp(Asc,"SP")==0)
BEGIN
*Erg=15; return True;
END
else if ((strlen(Asc)<2) OR (strlen(Asc)>3) OR (toupper(*Asc)!='R')) return False;
else
BEGIN
*Erg=ConstLongInt(Asc+1,&Err);
return (Err AND (*Erg<=15));
END
END
static Boolean DecodeCtrlReg(char *Asc, Byte *Erg)
BEGIN
CPUVar MinCPU=CPU7000;
*Erg=0xff;
if (strcasecmp(Asc,"SR")==0) *Erg=0;
else if (strcasecmp(Asc,"GBR")==0) *Erg=1;
else if (strcasecmp(Asc,"VBR")==0) *Erg=2;
else if (strcasecmp(Asc,"SSR")==0)
BEGIN
*Erg=3; MinCPU=CPU7700;
END
else if (strcasecmp(Asc,"SPC")==0)
BEGIN
*Erg=4; MinCPU=CPU7700;
END
else if ((strlen(Asc)==7) AND (toupper(*Asc)=='R')
AND (strcasecmp(Asc+2,"_BANK")==0)
AND (Asc[1]>='0') AND (Asc[1]<='7'))
BEGIN
*Erg=Asc[1]-'0'+8; MinCPU=CPU7700;
END
if ((*Erg==0xff) OR (MomCPU<MinCPU))
BEGIN
WrXError(1440,Asc); return False;
END
else return True;
END
static void ChkAdr(Word Mask)
BEGIN
if ((AdrMode!=ModNone) AND ((Mask & (1 << AdrMode))==0))
BEGIN
WrError(1350); AdrMode=ModNone;
END
END
static LongInt ExtOp(LongInt Inp, Byte Src, Boolean Signed)
BEGIN
switch (Src)
BEGIN
case 0: Inp&=0xff; break;
case 1: Inp&=0xffff; break;
END
if (Signed)
BEGIN
if (Src<1)
if ((Inp & 0x80)==0x80) Inp+=0xff00;
if (Src<2)
if ((Inp & 0x8000)==0x8000) Inp+=0xffff0000;
END
return Inp;
END
static LongInt OpMask(ShortInt OpSize)
BEGIN
switch (OpSize)
BEGIN
case 0: return 0xff;
case 1: return 0xffff;
case 2: return 0xffffffff;
default: return 0;
END
END
static void DecodeAdr(char *Asc, Word Mask, Boolean Signed)
BEGIN
#define RegNone (-1)
#define RegPC (-2)
#define RegGBR (-3)
Byte p,HReg;
char *pos;
ShortInt BaseReg,IndReg,DOpSize;
LongInt DispAcc;
String AdrStr,LStr;
Boolean OK,FirstFlag,NIs32,Critical,Found,LDef;
PLiteral Lauf,Last;
AdrMode=ModNone;
if (DecodeReg(Asc,&HReg))
BEGIN
AdrPart=HReg; AdrMode=ModReg; ChkAdr(Mask); return;
END
if (*Asc=='@')
BEGIN
strcpy(Asc,Asc+1);
if (IsIndirect(Asc))
BEGIN
strcpy(Asc,Asc+1); Asc[strlen(Asc)-1]='\0';
BaseReg=RegNone; IndReg=RegNone;
DispAcc=0; FirstFlag=False; OK=True;
while ((*Asc!='\0') AND (OK))
BEGIN
pos=QuotPos(Asc,',');
if (pos==Nil)
BEGIN
strmaxcpy(AdrStr,Asc,255); *Asc='\0';
END
else
BEGIN
*pos='\0'; strmaxcpy(AdrStr,Asc,255); strcpy(Asc,pos+1);
END
if (strcasecmp(AdrStr,"PC")==0)
if (BaseReg==RegNone) BaseReg=RegPC;
else
BEGIN
WrError(1350); OK=False;
END
else if (strcasecmp(AdrStr,"GBR")==0)
if (BaseReg==RegNone) BaseReg=RegGBR;
else
BEGIN
WrError(1350); OK=False;
END
else if (DecodeReg(AdrStr,&HReg))
if (IndReg==RegNone) IndReg=HReg;
else if ((BaseReg==RegNone) AND (HReg==0)) BaseReg=0;
else if ((IndReg==0) AND (BaseReg==RegNone))
BEGIN
BaseReg=0; IndReg=HReg;
END
else
BEGIN
WrError(1350); OK=False;
END
else
BEGIN
FirstPassUnknown=False;
DispAcc+=EvalIntExpression(AdrStr,Int32,&OK);
if (FirstPassUnknown) FirstFlag=True;
END
END
if (FirstFlag) DispAcc=0;
if ((OK) AND ((DispAcc & ((1 << OpSize)-1))!=0))
BEGIN
WrError(1325); OK=False;
END
else if ((OK) AND (DispAcc<0))
BEGIN
WrXError(1315,"Disp<0"); OK=False;
END
else DispAcc=DispAcc >> OpSize;
if (OK)
BEGIN
switch (BaseReg)
BEGIN
case 0:
if ((IndReg<0) OR (DispAcc!=0)) WrError(1350);
else
BEGIN
AdrMode=ModR0Base; AdrPart=IndReg;
END
break;
case RegGBR:
if ((IndReg==0) AND (DispAcc==0)) AdrMode=ModGBRR0;
else if (IndReg!=RegNone) WrError(1350);
else if (DispAcc>255) WrError(1320);
else
BEGIN
AdrMode=ModGBRBase; AdrPart=DispAcc;
END
break;
case RegNone:
if (IndReg==RegNone) WrError(1350);
else if (DispAcc>15) WrError(1320);
else
BEGIN
AdrMode=ModIndReg; AdrPart=(IndReg << 4)+DispAcc;
END
break;
case RegPC:
if (IndReg!=RegNone) WrError(1350);
else if (DispAcc>255) WrError(1320);
else
BEGIN
AdrMode=ModPCRel; AdrPart=DispAcc;
END
break;
END
END
ChkAdr(Mask); return;
END
else
BEGIN
if (DecodeReg(Asc,&HReg))
BEGIN
AdrPart=HReg; AdrMode=ModIReg;
END
else if ((strlen(Asc)>1) AND (*Asc=='-') AND (DecodeReg(Asc+1,&HReg)))
BEGIN
AdrPart=HReg; AdrMode=ModPreDec;
END
else if ((strlen(Asc)>1) AND (Asc[strlen(Asc)-1]=='+'))
BEGIN
strmaxcpy(AdrStr,Asc,255); AdrStr[strlen(AdrStr)-1]='\0';
if (DecodeReg(AdrStr,&HReg))
BEGIN
AdrPart=HReg; AdrMode=ModPostInc;
END
else WrError(1350);
END
else WrError(1350);
ChkAdr(Mask); return;
END
END
if (*Asc=='#')
BEGIN
FirstPassUnknown=False;
switch (OpSize)
BEGIN
case 0: DispAcc=EvalIntExpression(Asc+1,Int8,&OK); break;
case 1: DispAcc=EvalIntExpression(Asc+1,Int16,&OK); break;
case 2: DispAcc=EvalIntExpression(Asc+1,Int32,&OK); break;
default: DispAcc=0; OK=True;
END
Critical=FirstPassUnknown OR UsesForwards;
if (OK)
BEGIN
/* minimale Groesse optimieren */
DOpSize=(OpSize==0) ? 0 : Ord(Critical);
while (((ExtOp(DispAcc,DOpSize,Signed) ^ DispAcc) & OpMask(OpSize))!=0) DOpSize++;
if (DOpSize==0)
BEGIN
AdrPart=DispAcc & 0xff;
AdrMode=ModImm;
END
else if ((Mask & MModPCRel)!=0)
BEGIN
/* Literalgroesse ermitteln */
NIs32=(DOpSize==2);
if (NOT NIs32) DispAcc&=0xffff;
/* Literale sektionsspezifisch */
strcpy(AdrStr,"[PARENT0]");
/* schon vorhanden ? */
Lauf=FirstLiteral; p=0; OK=False; Last=Nil; Found=False;
while ((Lauf!=Nil) AND (NOT Found))
BEGIN
Last=Lauf;
if ((NOT Critical) AND (NOT Lauf->IsForward)
AND (Lauf->DefSection==MomSectionHandle))
if (((Lauf->Is32==NIs32) AND (DispAcc==Lauf->Value))
OR ((Lauf->Is32) AND (NOT NIs32) AND (DispAcc==(Lauf->Value >> 16)))) Found=True;
else if ((Lauf->Is32) AND (NOT NIs32) AND (DispAcc==(Lauf->Value & 0xffff)))
BEGIN
Found=True; p=2;
END
if (NOT Found) Lauf=Lauf->Next;
END
/* nein - erzeugen */
if (NOT Found)
BEGIN
Lauf=(PLiteral) malloc(sizeof(TLiteral));
Lauf->Is32=NIs32; Lauf->Value=DispAcc;
Lauf->IsForward=Critical;
if (Critical) Lauf->FCount=ForwardCount++;
Lauf->Next=Nil; Lauf->PassNo=1; Lauf->DefSection=MomSectionHandle;
do
BEGIN
sprintf(LStr,"%s%s",LiteralName(Lauf),AdrStr);
LDef=IsSymbolDefined(LStr);
if (LDef) Lauf->PassNo++;
END
while (LDef);
if (Last==Nil) FirstLiteral=Lauf; else Last->Next=Lauf;
END
/* Distanz abfragen - im naechsten Pass... */
FirstPassUnknown=False;
sprintf(LStr,"%s%s",LiteralName(Lauf),AdrStr);
DispAcc=EvalIntExpression(LStr,Int32,&OK)+p;
if (OK)
BEGIN
if (FirstPassUnknown)
DispAcc=0;
else if (NIs32)
DispAcc=(DispAcc-(PCRelAdr() & 0xfffffffc)) >> 2;
else
DispAcc=(DispAcc-PCRelAdr()) >> 1;
if (DispAcc<0)
BEGIN
WrXError(1315,"Disp<0"); OK=False;
END
else if ((DispAcc>255) AND (NOT SymbolQuestionable)) WrError(1330);
else
BEGIN
AdrMode=ModPCRel; AdrPart=DispAcc; OpSize=Ord(NIs32)+1;
END
END
END
else WrError(1350);
END
ChkAdr(Mask); return;
END
/* absolut ueber PC-relativ abwickeln */
if ((OpSize!=1) AND (OpSize!=2)) WrError(1130);
else
BEGIN
FirstPassUnknown=False;
DispAcc=EvalIntExpression(Asc,Int32,&OK);
if (FirstPassUnknown) DispAcc=0;
else if (OpSize==2) DispAcc-=(PCRelAdr() & 0xfffffffc);
else DispAcc-=PCRelAdr();
if (DispAcc<0) WrXError(1315,"Disp<0");
else if ((DispAcc & ((1 << OpSize)-1))!=0) WrError(1325);
else
BEGIN
DispAcc=DispAcc >> OpSize;
if (DispAcc>255) WrError(1320);
else
BEGIN
AdrMode=ModPCRel; AdrPart=DispAcc;
END
END
END
ChkAdr(Mask);
END
/*-------------------------------------------------------------------------*/
static void LTORG_16(void)
BEGIN
PLiteral Lauf;
Lauf=FirstLiteral;
while (Lauf!=Nil)
BEGIN
if ((NOT Lauf->Is32) AND (Lauf->DefSection==MomSectionHandle))
BEGIN
WAsmCode[CodeLen >> 1]=Lauf->Value;
EnterIntSymbol(LiteralName(Lauf),EProgCounter()+CodeLen,SegCode,False);
Lauf->PassNo=(-1);
CodeLen+=2;
END
Lauf=Lauf->Next;
END
END
static void LTORG_32(void)
BEGIN
PLiteral Lauf,EqLauf;
Lauf=FirstLiteral;
while (Lauf!=Nil)
BEGIN
if ((Lauf->Is32) AND (Lauf->DefSection==MomSectionHandle) AND (Lauf->PassNo>=0))
BEGIN
if (((EProgCounter()+CodeLen) & 2)!=0)
BEGIN
WAsmCode[CodeLen >> 1]=0; CodeLen+=2;
END
WAsmCode[CodeLen >> 1]=(Lauf->Value >> 16);
WAsmCode[(CodeLen >> 1)+1]=(Lauf->Value & 0xffff);
EnterIntSymbol(LiteralName(Lauf),EProgCounter()+CodeLen,SegCode,False);
Lauf->PassNo=(-1);
if (CompLiterals)
BEGIN
EqLauf=Lauf->Next;
while (EqLauf!=Nil)
BEGIN
if ((EqLauf->Is32) AND (EqLauf->PassNo>=0) AND
(EqLauf->DefSection==MomSectionHandle) AND
(EqLauf->Value==Lauf->Value))
BEGIN
EnterIntSymbol(LiteralName(EqLauf),EProgCounter()+CodeLen,SegCode,False);
EqLauf->PassNo=(-1);
END
EqLauf=EqLauf->Next;
END
END
CodeLen+=4;
END
Lauf=Lauf->Next;
END
END
static Boolean DecodePseudo(void)
BEGIN
PLiteral Lauf,Tmp,Last;
/* ab hier (und weiter in der Hauptroutine) stehen die Befehle,
die Code erzeugen, deshalb wird der Merker fuer verzoegerte
Spruenge hier weiter geschaltet. */
PrevDelayed=CurrDelayed; CurrDelayed=False;
if (Memo("LTORG"))
BEGIN
if (ArgCnt!=0) WrError(1110);
else if (*AttrPart!='\0') WrError(1100);
else
BEGIN
if ((EProgCounter() & 3)==0)
BEGIN
LTORG_32(); LTORG_16();
END
else
BEGIN
LTORG_16(); LTORG_32();
END
Lauf=FirstLiteral; Last=Nil;
while (Lauf!=Nil)
BEGIN
if ((Lauf->DefSection==MomSectionHandle) AND (Lauf->PassNo<0))
BEGIN
Tmp=Lauf->Next;
if (Last==Nil) FirstLiteral=Tmp; else Last->Next=Tmp;
free(Lauf); Lauf=Tmp;
END
else
BEGIN
Last=Lauf; Lauf=Lauf->Next;
END
END
END
return True;
END
return False;
END
static void SetCode(Word Code)
BEGIN
CodeLen=2; WAsmCode[0]=Code;
END
static void MakeCode_7000(void)
BEGIN
int z;
LongInt AdrLong;
Boolean OK;
Byte HReg;
CodeLen=0; DontPrint=False; OpSize=(-1);
/* zu ignorierendes */
if (Memo("")) return;
/* Pseudoanweisungen */
if (DecodePseudo()) return;
/* Attribut verwursten */
if (*AttrPart!='\0')
BEGIN
if (strlen(AttrPart)!=1)
BEGIN
WrError(1105); return;
END
switch (toupper(*AttrPart))
BEGIN
case 'B': SetOpSize(0); break;
case 'W': SetOpSize(1); break;
case 'L': SetOpSize(2); break;
case 'Q': SetOpSize(3); break;
case 'S': SetOpSize(4); break;
case 'D': SetOpSize(5); break;
case 'X': SetOpSize(6); break;
case 'P': SetOpSize(7); break;
default:
WrError(1107); return;
END
END
if (DecodeMoto16Pseudo(OpSize,True)) return;
/* Anweisungen ohne Argument */
for (z=0; z<FixedOrderCount; z++)
if (Memo(FixedOrders[z].Name))
BEGIN
if (ArgCnt!=0) WrError(1110);
else if (*AttrPart!='\0') WrError(1100);
else if (MomCPU<FixedOrders[z].MinCPU) WrError(1500);
else
BEGIN
SetCode(FixedOrders[z].Code);
if ((NOT SupAllowed) AND (FixedOrders[z].Priv)) WrError(50);
END
return;
END
/* Datentransfer */
if (Memo("MOV"))
BEGIN
if (OpSize==-1) SetOpSize(2);
if (ArgCnt!=2) WrError(1110);
else if (OpSize>2) WrError(1130);
else if (DecodeReg(ArgStr[1],&HReg))
BEGIN
DecodeAdr(ArgStr[2],MModReg+MModIReg+MModPreDec+MModIndReg+MModR0Base+MModGBRBase,True);
switch (AdrMode)
BEGIN
case ModReg:
if (OpSize!=2) WrError(1130);
else SetCode(0x6003+(HReg << 4)+(AdrPart << 8));
break;
case ModIReg:
SetCode(0x2000+(HReg << 4)+(AdrPart << 8)+OpSize);
break;
case ModPreDec:
SetCode(0x2004+(HReg << 4)+(AdrPart << 8)+OpSize);
break;
case ModIndReg:
if (OpSize==2)
SetCode(0x1000+(HReg << 4)+(AdrPart & 15)+((AdrPart & 0xf0) << 4));
else if (HReg!=0) WrError(1350);
else SetCode(0x8000+AdrPart+(((Word)OpSize) << 8));
break;
case ModR0Base:
SetCode(0x0004+(AdrPart << 8)+(HReg << 4)+OpSize);
break;
case ModGBRBase:
if (HReg!=0) WrError(1350);
else SetCode(0xc000+AdrPart+(((Word)OpSize) << 8));
break;
END
END
else if (DecodeReg(ArgStr[2],&HReg))
BEGIN
DecodeAdr(ArgStr[1],MModImm+MModPCRel+MModIReg+MModPostInc+MModIndReg+MModR0Base+MModGBRBase,True);
switch (AdrMode)
BEGIN
case ModIReg:
SetCode(0x6000+(AdrPart << 4)+(((Word)HReg) << 8)+OpSize);
break;
case ModPostInc:
SetCode(0x6004+(AdrPart << 4)+(((Word)HReg) << 8)+OpSize);
break;
case ModIndReg:
if (OpSize==2)
SetCode(0x5000+(((Word)HReg) << 8)+AdrPart);
else if (HReg!=0) WrError(1350);
else SetCode(0x8400+AdrPart+(((Word)OpSize) << 8));
break;
case ModR0Base:
SetCode(0x000c+(AdrPart << 4)+(((Word)HReg) << 8)+OpSize);
break;
case ModGBRBase:
if (HReg!=0) WrError(1350);
else SetCode(0xc400+AdrPart+(((Word)OpSize) << 8));
break;
case ModPCRel:
if (OpSize==0) WrError(1350);
else SetCode(0x9000+(((Word)OpSize-1) << 14)+(((Word)HReg) << 8)+AdrPart);
break;
case ModImm:
SetCode(0xe000+(((Word)HReg) << 8)+AdrPart);
break;
END
END
else WrError(1350);
return;
END
if (Memo("MOVA"))
BEGIN
if (ArgCnt!=2) WrError(1110);
else if (NOT DecodeReg(ArgStr[2],&HReg)) WrError(1350);
else if (HReg!=0) WrError(1350);
else
BEGIN
SetOpSize(2);
DecodeAdr(ArgStr[1],MModPCRel,False);
if (AdrMode!=ModNone)
BEGIN
CodeLen=2; WAsmCode[0]=0xc700+AdrPart;
END
END
return;
END
if (Memo("PREF"))
BEGIN
if (ArgCnt!=1) WrError(1110);
else if (*AttrPart!='\0') WrError(1100);
else
BEGIN
DecodeAdr(ArgStr[1],MModIReg,False);
if (AdrMode!=ModNone)
BEGIN
CodeLen=2; WAsmCode[0]=0x0083+(AdrPart << 8);
END;
END;
return;
END
if ((Memo("LDC")) OR (Memo("STC")))
BEGIN
if (OpSize==-1) SetOpSize(2);
if (ArgCnt!=2) WrError(1110);
else
BEGIN
if (Memo("LDC"))
BEGIN
strcpy(ArgStr[3],ArgStr[1]);
strcpy(ArgStr[1],ArgStr[2]);
strcpy(ArgStr[2],ArgStr[3]);
END
if (DecodeCtrlReg(ArgStr[1],&HReg))
BEGIN
DecodeAdr(ArgStr[2],MModReg+((Memo("LDC"))?MModPostInc:MModPreDec),False);
switch (AdrMode)
BEGIN
case ModReg:
if (Memo("LDC")) SetCode(0x400e + (AdrPart << 8)+(HReg << 4)); /* ANSI :-0 */
else SetCode(0x0002+(AdrPart << 8)+(HReg << 4));
break;
case ModPostInc:
SetCode(0x4007+(AdrPart << 8)+(HReg << 4));
break;
case ModPreDec:
SetCode(0x4003+(AdrPart << 8)+(HReg << 4));
break;
END
if ((AdrMode!=ModNone) AND (NOT SupAllowed)) WrError(50);
END
END
return;
END
if ((Memo("LDS")) OR (Memo("STS")))
BEGIN
if (OpSize==-1) SetOpSize(2);
if (ArgCnt!=2) WrError(1110);
else
BEGIN
if (Memo("LDS"))
BEGIN
strcpy(ArgStr[3],ArgStr[1]);
strcpy(ArgStr[1],ArgStr[2]);
strcpy(ArgStr[2],ArgStr[3]);
END
if (strcasecmp(ArgStr[1],"MACH")==0) HReg=0;
else if (strcasecmp(ArgStr[1],"MACL")==0) HReg=1;
else if (strcasecmp(ArgStr[1],"PR")==0) HReg=2;
else
BEGIN
WrError(1440); HReg=0xff;
END
if (HReg<0xff)
BEGIN
DecodeAdr(ArgStr[2],MModReg+((Memo("LDS"))?MModPostInc:MModPreDec),False);
switch (AdrMode)
BEGIN
case ModReg:
if (Memo("LDS")) SetCode(0x400a+(AdrPart << 8)+(HReg << 4));
else SetCode(0x000a+(AdrPart << 8)+(HReg << 4));
break;
case ModPostInc:
SetCode(0x4006+(AdrPart << 8)+(HReg << 4));
break;
case ModPreDec:
SetCode(0x4002+(AdrPart << 8)+(HReg << 4));
break;
END
END
END
return;
END
/* nur ein Register als Argument */
for (z=0; z<OneRegOrderCount; z++)
if (Memo(OneRegOrders[z].Name))
BEGIN
if (ArgCnt!=1) WrError(1110);
else if (*AttrPart!='\0') WrError(1100);
else if (MomCPU<OneRegOrders[z].MinCPU) WrError(1500);
else
BEGIN
DecodeAdr(ArgStr[1],MModReg,False);
if (AdrMode!=ModNone)
SetCode(OneRegOrders[z].Code+(AdrPart << 8));
if ((NOT SupAllowed) AND ((Memo("STBR")) OR (Memo("LDBR")))) WrError(50);
if (*OpPart=='B')
BEGIN
CurrDelayed=True; DelayedAdr=0x7fffffff;
ChkDelayed();
END
END
return;
END
if (Memo("TAS"))
BEGIN
if (OpSize==-1) SetOpSize(0);
if (ArgCnt!=1) WrError(1110);
else if (OpSize!=0) WrError(1130);
else
BEGIN
DecodeAdr(ArgStr[1],MModIReg,False);
if (AdrMode!=ModNone) SetCode(0x401b+(AdrPart << 8));
END
return;
END
/* zwei Register */
for (z=0; z<TwoRegOrderCount; z++)
if (Memo(TwoRegOrders[z].Name))
BEGIN
if (ArgCnt!=2) WrError(1110);
else if ((*AttrPart!='\0') AND (OpSize!=TwoRegOrders[z].DefSize)) WrError(1100);
else if (MomCPU<TwoRegOrders[z].MinCPU) WrError(1500);
else
BEGIN
DecodeAdr(ArgStr[1],MModReg,False);
if (AdrMode!=ModNone)
BEGIN
WAsmCode[0]=TwoRegOrders[z].Code+(AdrPart << 4);
DecodeAdr(ArgStr[2],MModReg,False);
if (AdrMode!=ModNone) SetCode(WAsmCode[0]+(((Word)AdrPart) << 8));
if ((NOT SupAllowed) AND (TwoRegOrders[z].Priv)) WrError(50);
END
END
return;
END
for (z=0; z<MulRegOrderCount; z++)
if (Memo(MulRegOrders[z].Name))
BEGIN
if (ArgCnt!=2) WrError(1110);
else if (MomCPU<MulRegOrders[z].MinCPU) WrError(1500);
else
BEGIN
if (*AttrPart=='\0') OpSize=2;
if (OpSize!=2) WrError(1130);
else
BEGIN
DecodeAdr(ArgStr[1],MModReg,False);
if (AdrMode!=ModNone)
BEGIN
WAsmCode[0]=MulRegOrders[z].Code+(AdrPart << 4);
DecodeAdr(ArgStr[2],MModReg,False);
if (AdrMode!=ModNone) SetCode(WAsmCode[0]+(((Word)AdrPart) << 8));
END
END
END
return;
END
for (z=0; z<BWOrderCount; z++)
if (Memo(BWOrders[z].Name))
BEGIN
if (OpSize==-1) SetOpSize(1);
if (ArgCnt!=2) WrError(1110);
else if ((OpSize!=0) AND (OpSize!=1)) WrError(1130);
else
BEGIN
DecodeAdr(ArgStr[1],MModReg,False);
if (AdrMode!=ModNone)
BEGIN
WAsmCode[0]=BWOrders[z].Code+OpSize+(AdrPart << 4);
DecodeAdr(ArgStr[2],MModReg,False);
if (AdrMode!=ModNone) SetCode(WAsmCode[0]+(((Word)AdrPart) << 8));
END
END
return;
END
if (Memo("MAC"))
BEGIN
if (OpSize==-1) SetOpSize(1);
if (ArgCnt!=2) WrError(1110);
else if ((OpSize!=1) AND (OpSize!=2)) WrError(1130);
else if ((OpSize==2) AND (MomCPU<CPU7600)) WrError(1500);
else
BEGIN
DecodeAdr(ArgStr[1],MModPostInc,False);
if (AdrMode!=ModNone)
BEGIN
WAsmCode[0]=0x000f+(AdrPart << 4)+(((Word)2-OpSize) << 14);
DecodeAdr(ArgStr[2],MModPostInc,False);
if (AdrMode!=ModNone) SetCode(WAsmCode[0]+(((Word)AdrPart) << 8));
END
END
return;
END
if (Memo("ADD"))
BEGIN
if (ArgCnt!=2) WrError(1110);
else if (*AttrPart!='\0') WrError(1100);
else
BEGIN
DecodeAdr(ArgStr[2],MModReg,False);
if (AdrMode!=ModNone)
BEGIN
HReg=AdrPart; OpSize=2;
DecodeAdr(ArgStr[1],MModReg+MModImm,True);
switch (AdrMode)
BEGIN
case ModReg:
SetCode(0x300c+(((Word)HReg) << 8)+(AdrPart << 4));
break;
case ModImm:
SetCode(0x7000+AdrPart+(((Word)HReg) << 8));
break;
END
END
END
return;
END
if (Memo("CMP/EQ"))
BEGIN
if (ArgCnt!=2) WrError(1110);
else if (*AttrPart!='\0') WrError(1100);
else
BEGIN
DecodeAdr(ArgStr[2],MModReg,False);
if (AdrMode!=ModNone)
BEGIN
HReg=AdrPart; OpSize=2; DecodeAdr(ArgStr[1],MModReg+MModImm,True);
switch (AdrMode)
BEGIN
case ModReg:
SetCode(0x3000+(((Word)HReg) << 8)+(AdrPart << 4));
break;
case ModImm:
if (HReg!=0) WrError(1350);
else SetCode(0x8800+AdrPart);
break;
END
END
END
return;
END
for (z=0; z<LogOrderCount; z++)
if (Memo(LogOrders[z]))
BEGIN
if (ArgCnt!=2) WrError(1110);
else
BEGIN
DecodeAdr(ArgStr[2],MModReg+MModGBRR0,False);
switch (AdrMode)
BEGIN
case ModReg:
if ((*AttrPart!='\0') AND (OpSize!=2)) WrError(1130);
else
BEGIN
OpSize=2;
HReg=AdrPart; DecodeAdr(ArgStr[1],MModReg+MModImm,False);
switch (AdrMode)
BEGIN
case ModReg:
SetCode(0x2008+z+(((Word)HReg) << 8)+(AdrPart << 4));
break;
case ModImm:
if (HReg!=0) WrError(1350);
else SetCode(0xc800+(z << 8)+AdrPart);
break;
END
END
break;
case ModGBRR0:
DecodeAdr(ArgStr[1],MModImm,False);
if (AdrMode!=ModNone)
SetCode(0xcc00+(z << 8)+AdrPart);
break;
END
END
return;
END
/* Miszellaneen.. */
if (Memo("TRAPA"))
BEGIN
if (ArgCnt!=1) WrError(1110);
else if (*AttrPart!='\0') WrError(1100);
else
BEGIN
OpSize=0;
DecodeAdr(ArgStr[1],MModImm,False);
if (AdrMode==ModImm) SetCode(0xc300+AdrPart);
ChkDelayed();
END
return;
END
/* Spruenge */
if ((Memo("BF")) OR (Memo("BT"))
OR (Memo("BF/S")) OR (Memo("BT/S")))
BEGIN
if (ArgCnt!=1) WrError(1110);
else if (*AttrPart!='\0') WrError(1110);
else if ((strlen(OpPart)==4) AND (MomCPU<CPU7600)) WrError(1500);
else
BEGIN
DelayedAdr=EvalIntExpression(ArgStr[1],Int32,&OK);
AdrLong=DelayedAdr-(EProgCounter()+4);
if (OK)
if (Odd(AdrLong)) WrError(1375);
else if (((AdrLong<-256) OR (AdrLong>254)) AND (NOT SymbolQuestionable)) WrError(1370);
else
BEGIN
WAsmCode[0]=0x8900+((AdrLong >> 1) & 0xff);
if (OpPart[1]=='F') WAsmCode[0]+=0x200;
if (strlen(OpPart)==4)
BEGIN
WAsmCode[0]+=0x400; CurrDelayed=True;
END
CodeLen=2;
ChkDelayed();
END
END
return;
END
if ((Memo("BRA")) OR (Memo("BSR")))
BEGIN
if (ArgCnt!=1) WrError(1110);
else if (*AttrPart!='\0') WrError(1110);
else
BEGIN
DelayedAdr=EvalIntExpression(ArgStr[1],Int32,&OK);
AdrLong=DelayedAdr-(EProgCounter()+4);
if (OK)
if (Odd(AdrLong)) WrError(1375);
else if (((AdrLong<-4096) OR (AdrLong>4094)) AND (NOT SymbolQuestionable)) WrError(1370);
else
BEGIN
WAsmCode[0]=0xa000+((AdrLong >> 1) & 0xfff);
if (Memo("BSR")) WAsmCode[0]+=0x1000;
CodeLen=2;
CurrDelayed=True; ChkDelayed();
END
END
return;
END
if ((Memo("JSR")) OR (Memo("JMP")))
BEGIN
if (ArgCnt!=1) WrError(1110);
else if (*AttrPart!='\0') WrError(1130);
else
BEGIN
DecodeAdr(ArgStr[1],MModIReg,False);
if (AdrMode!=ModNone)
BEGIN
SetCode(0x400b+(AdrPart << 8)+(Ord(Memo("JMP")) << 5));
CurrDelayed=True; DelayedAdr=0x7fffffff;
ChkDelayed();
END
END
return;
END
WrXError(1200,OpPart);
END
static void InitCode_7000(void)
BEGIN
SaveInitProc();
FirstLiteral=Nil; ForwardCount=0;
END
static Boolean IsDef_7000(void)
BEGIN
return False;
END
static void SwitchFrom_7000(void)
BEGIN
DeinitFields();
if (FirstLiteral!=Nil) WrError(1495);
ClearONOFF();
END
static void SwitchTo_7000(void)
BEGIN
TurnWords=True; ConstMode=ConstModeMoto; SetIsOccupied=False;
PCSymbol="*"; HeaderID=0x6c; NOPCode=0x0009;
DivideChars=","; HasAttrs=True; AttrChars=".";
ValidSegs=1<<SegCode;
Grans[SegCode]=1; ListGrans[SegCode]=2; SegInits[SegCode]=0;
#ifdef __STDC__
SegLimits[SegCode] = 0xfffffffful;
#else
SegLimits[SegCode] = 0xffffffffl;
#endif
MakeCode=MakeCode_7000; IsDef=IsDef_7000;
SwitchFrom=SwitchFrom_7000; InitFields();
AddONOFF("SUPMODE", &SupAllowed, SupAllowedName ,False);
AddONOFF("COMPLITERALS", &CompLiterals, CompLiteralsName,False);
AddMoto16PseudoONOFF();
CurrDelayed=False; PrevDelayed=False;
SetFlag(&DoPadding,DoPaddingName,False);
END
void code7000_init(void)
BEGIN
CPU7000=AddCPU("SH7000",SwitchTo_7000);
CPU7600=AddCPU("SH7600",SwitchTo_7000);
CPU7700=AddCPU("SH7700",SwitchTo_7000);
SaveInitProc=InitPassProc; InitPassProc=InitCode_7000;
FirstLiteral=Nil;
END
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