dect
/
asl
Archived
13
0
Fork 0
This repository has been archived on 2022-02-17. You can view files and clone it, but cannot push or open issues or pull requests.
asl/code75k0.c

1437 lines
36 KiB
C

/* code75k0.c */
/*****************************************************************************/
/* AS-Portierung */
/* */
/* Codegenerator NEC 75K0 */
/* */
/* Historie: 31.12.1996 Grundsteinlegung */
/* 3. 1.1999 ChkPC-Anpassung */
/* */
/*****************************************************************************/
#include "stdinc.h"
#include <string.h>
#include <ctype.h>
#include "nls.h"
#include "strutil.h"
#include "bpemu.h"
#include "asmdef.h"
#include "asmsub.h"
#include "asmpars.h"
#include "codepseudo.h"
#include "codevars.h"
#define ModNone (-1)
#define ModReg4 0
#define MModReg4 (1 << ModReg4)
#define ModReg8 1
#define MModReg8 (1 << ModReg8)
#define ModImm 2
#define MModImm (1 << ModImm)
#define ModInd 3
#define MModInd (1 << ModInd)
#define ModAbs 4
#define MModAbs (1 << ModAbs)
#define FixedOrderCount 6
#define AriOrderCount 3
#define LogOrderCount 3
typedef struct
{
char *Name;
Word Code;
} FixedOrder;
static SimpProc SaveInitProc;
static FixedOrder *FixedOrders;
static char **AriOrders;
static char **LogOrders;
static LongInt MBSValue,MBEValue;
static Boolean MinOneIs0;
static CPUVar
CPU75402,CPU75004,CPU75006,CPU75008,
CPU75268,CPU75304,CPU75306,CPU75308,
CPU75312,CPU75316,CPU75328,CPU75104,
CPU75106,CPU75108,CPU75112,CPU75116,
CPU75206,CPU75208,CPU75212,CPU75216,
CPU75512,CPU75516;
static Word ROMEnd;
static ShortInt OpSize;
static Byte AdrPart;
static ShortInt AdrMode;
/*-------------------------------------------------------------------------*/
/* dynamische Codetabellenverwaltung */
static void AddFixed(char *NewName, Word NewCode)
BEGIN
if (InstrZ>=FixedOrderCount) exit(255);
FixedOrders[InstrZ].Name=NewName;
FixedOrders[InstrZ++].Code=NewCode;
END
static void InitFields(void)
BEGIN
Boolean Err;
ROMEnd=ConstLongInt(MomCPUName+3,&Err);
if (ROMEnd>2) ROMEnd%=10;
ROMEnd=(ROMEnd << 10)-1;
FixedOrders=(FixedOrder *) malloc(sizeof(FixedOrder)*FixedOrderCount); InstrZ=0;
AddFixed("RET" ,0x00ee);
AddFixed("RETS",0x00e0);
AddFixed("RETI",0x00ef);
AddFixed("HALT",0xa39d);
AddFixed("STOP",0xb39d);
AddFixed("NOP" ,0x0060);
AriOrders=(char **) malloc(sizeof(char *)*AriOrderCount); InstrZ=0;
AriOrders[InstrZ++]="ADDC";
AriOrders[InstrZ++]="SUBS";
AriOrders[InstrZ++]="SUBC";
LogOrders=(char **) malloc(sizeof(char *)*LogOrderCount); InstrZ=0;
LogOrders[InstrZ++]="AND";
LogOrders[InstrZ++]="OR";
LogOrders[InstrZ++]="XOR";
END
static void DeinitFields(void)
BEGIN
free(FixedOrders);
free(AriOrders);
free(LogOrders);
END
/*-------------------------------------------------------------------------*/
/* Untermengen von Befehlssatz abpruefen */
static void CheckCPU(CPUVar MinCPU)
BEGIN
if (MomCPU<MinCPU)
BEGIN
WrError(1500); CodeLen=0;
END
END
/*-------------------------------------------------------------------------*/
/* Adressausdruck parsen */
static Boolean SetOpSize(ShortInt NewSize)
BEGIN
if (OpSize==-1) OpSize=NewSize;
else if (NewSize!=OpSize)
BEGIN
WrError(1131); return False;
END
return True;
END
static void ChkDataPage(Word Adr)
BEGIN
switch (MBEValue)
BEGIN
case 0: if ((Adr>0x7f) AND (Adr<0xf80)) WrError(110); break;
case 1: if (Hi(Adr)!=MBSValue) WrError(110); break;
END
END
static void ChkAdr(Byte Mask)
BEGIN
if ((AdrMode!=ModNone) AND ((Mask & (1 << AdrMode))==0))
BEGIN
WrError(1350); AdrMode=ModNone;
END
END
static void DecodeAdr(char *Asc, Byte Mask)
BEGIN
static char *RegNames="XAHLDEBC";
char *p;
int pos;
Boolean OK;
String s;
AdrMode=ModNone;
/* Register ? */
memcpy(s,Asc,2); s[2]='\0'; NLS_UpString(s);
p=strstr(RegNames,s);
if (p!=Nil)
BEGIN
pos=p-RegNames;
/* 8-Bit-Register ? */
if (strlen(Asc)==1)
BEGIN
AdrPart=pos ^ 1;
if (SetOpSize(0))
if ((AdrPart>4) AND (MomCPU<CPU75004)) WrError(1505);
else AdrMode=ModReg4;
ChkAdr(Mask); return;
END
/* 16-Bit-Register ? */
if ((strlen(Asc)==2) AND (NOT Odd(pos)))
BEGIN
AdrPart=pos;
if (SetOpSize(1))
if ((AdrPart>2) AND (MomCPU<CPU75004)) WrError(1505);
else AdrMode=ModReg8;
ChkAdr(Mask); return;
END
/* 16-Bit-Schattenregister ? */
if ((strlen(Asc)==3) AND ((Asc[2]=='\'') OR (Asc[2]=='`')) AND (NOT Odd(pos)))
BEGIN
AdrPart=pos+1;
if (SetOpSize(1))
if (MomCPU<CPU75104) WrError(1505); else AdrMode=ModReg8;
ChkAdr(Mask); return;
END
END
/* immediate? */
if (*Asc=='#')
BEGIN
if ((OpSize==-1) AND (MinOneIs0)) OpSize=0;
FirstPassUnknown=False;
switch (OpSize)
BEGIN
case -1: WrError(1132); break;
case 0: AdrPart=EvalIntExpression(Asc+1,Int4,&OK) & 15; break;
case 1: AdrPart=EvalIntExpression(Asc+1,Int8,&OK); break;
END;
if (OK) AdrMode=ModImm;
ChkAdr(Mask); return;
END
/* indirekt ? */
if (*Asc=='@')
BEGIN
strmaxcpy(s,Asc+1,255);
if (strcasecmp(s,"HL")==0) AdrPart=1;
else if (strcasecmp(s,"HL+")==0) AdrPart=2;
else if (strcasecmp(s,"HL-")==0) AdrPart=3;
else if (strcasecmp(s,"DE")==0) AdrPart=4;
else if (strcasecmp(s,"DL")==0) AdrPart=5;
else AdrPart=0;
if (AdrPart!=0)
BEGIN
if ((MomCPU<CPU75004) AND (AdrPart!=1)) WrError(1505);
else if ((MomCPU<CPU75104) AND ((AdrPart==2) OR (AdrPart==3))) WrError(1505);
else AdrMode=ModInd;
ChkAdr(Mask); return;
END
END
/* absolut */
FirstPassUnknown=False;
pos=EvalIntExpression(Asc,UInt12,&OK);
if (OK)
BEGIN
AdrPart=Lo(pos); AdrMode=ModAbs;
ChkSpace(SegData);
if (NOT FirstPassUnknown) ChkDataPage(pos);
END
ChkAdr(Mask);
END
static String BName;
static Boolean DecodeBitAddr(char *Asc, Word *Erg)
BEGIN
char *p;
int Num;
Boolean OK;
Word Adr;
String bpart;
p=QuotPos(Asc,'.');
if (p==Nil)
BEGIN
*Erg=EvalIntExpression(Asc,Int16,&OK);
if (Hi(*Erg)!=0) ChkDataPage(((*Erg >> 4) & 0xf00)+Lo(*Erg));
return OK;
END
*p='\0';
strmaxcpy(bpart,p+1,255);
if (strcasecmp(bpart,"@L")==0)
BEGIN
FirstPassUnknown=False;
Adr=EvalIntExpression(Asc,UInt12,&OK);
if (FirstPassUnknown) Adr=(Adr & 0xffc) | 0xfc0;
if (OK)
BEGIN
ChkSpace(SegData);
if ((Adr & 3)!=0) WrError(1325);
else if (Adr<0xfc0) WrError(1315);
else if (MomCPU<CPU75004) WrError(1505);
else
BEGIN
*Erg=0x40+((Adr & 0x3c) >> 2);
sprintf(BName,"%sH.@L",HexString(Adr,3));
return True;
END
END
END
else
BEGIN
Num=EvalIntExpression(bpart,UInt2,&OK);
if (OK)
if (strncasecmp(Asc,"@H",2)==0)
BEGIN
Adr=EvalIntExpression(Asc+2,UInt4,&OK);
if (OK)
if (MomCPU<CPU75004) WrError(1505);
else
BEGIN
*Erg=(Num << 4)+Adr;
sprintf(BName,"@H%s.%c",HexString(Adr,1),Num+'0');
return True;
END
END
else
BEGIN
FirstPassUnknown=False;
Adr=EvalIntExpression(Asc,UInt12,&OK);
if (FirstPassUnknown) Adr=(Adr | 0xff0);
if (OK)
BEGIN
ChkSpace(SegData);
if ((Adr>=0xfb0) AND (Adr<0xfc0))
*Erg=0x80+(Num << 4)+(Adr & 15);
else if (Adr>=0xff0)
*Erg=0xc0+(Num << 4)+(Adr & 15);
else
*Erg=0x400+(((Word)Num) << 8)+Lo(Adr)+(Hi(Adr) << 12);
sprintf(BName,"%sH.%c",HexString(Adr,3),'0'+Num);
return True;
END
END
END
return False;
END
static Boolean DecodeIntName(char *Asc, Byte *Erg)
BEGIN
Word HErg;
Byte LPart;
String Asc_N;
strmaxcpy(Asc_N,Asc,255); NLS_UpString(Asc_N); Asc=Asc_N;
if (MomCPU<=CPU75402) LPart=0;
else if (MomCPU<CPU75004) LPart=1;
else if (MomCPU<CPU75104) LPart=2;
else LPart=3;
if (strcmp(Asc,"IEBT")==0) HErg=0x000;
else if (strcmp(Asc,"IEW")==0) HErg=0x102;
else if (strcmp(Asc,"IETPG")==0) HErg=0x203;
else if (strcmp(Asc,"IET0")==0) HErg=0x104;
else if (strcmp(Asc,"IECSI")==0) HErg=0x005;
else if (strcmp(Asc,"IECSIO")==0) HErg=0x205;
else if (strcmp(Asc,"IE0")==0) HErg=0x006;
else if (strcmp(Asc,"IE2")==0) HErg=0x007;
else if (strcmp(Asc,"IE4")==0) HErg=0x120;
else if (strcmp(Asc,"IEKS")==0) HErg=0x123;
else if (strcmp(Asc,"IET1")==0) HErg=0x224;
else if (strcmp(Asc,"IE1")==0) HErg=0x126;
else if (strcmp(Asc,"IE3")==0) HErg=0x227;
else HErg=0xfff;
if (HErg==0xfff) return False;
else if (Hi(HErg)>LPart) return False;
else
BEGIN
*Erg=Lo(HErg); return True;
END
END
/*-------------------------------------------------------------------------*/
static Boolean DecodePseudo(void)
BEGIN
#define ASSUME75Count 2
static ASSUMERec ASSUME75s[ASSUME75Count]=
{{"MBS", &MBSValue, 0, 0x0f, 0x10},
{"MBE", &MBEValue, 0, 0x01, 0x01}};
Word BErg;
if (Memo("ASSUME"))
BEGIN
CodeASSUME(ASSUME75s,ASSUME75Count);
if ((MomCPU==CPU75402) AND (MBEValue!=0))
BEGIN
MBEValue=0; WrError(1440);
END
return True;
END
if (Memo("SFR"))
BEGIN
CodeEquate(SegData,0,0xfff);
return True;
END
if (Memo("BIT"))
BEGIN
if (ArgCnt!=1) WrError(1110);
else
BEGIN
FirstPassUnknown=False;
if (DecodeBitAddr(ArgStr[1],&BErg))
if (NOT FirstPassUnknown)
BEGIN
PushLocHandle(-1);
EnterIntSymbol(LabPart,BErg,SegNone,False);
sprintf(ListLine,"=%s",BName);
PopLocHandle();
END
END
return True;
END
return False;
END
static void PutCode(Word Code)
BEGIN
BAsmCode[0]=Lo(Code);
if (Hi(Code)==0) CodeLen=1;
else
BEGIN
BAsmCode[1]=Hi(Code); CodeLen=2;
END
END
static void MakeCode_75K0(void)
BEGIN
Integer AdrInt,Dist;
int z;
Byte HReg;
Word BVal;
Boolean OK,BrRel,BrLong;
CodeLen=0; DontPrint=False; OpSize=(-1); MinOneIs0=False;
/* zu ignorierendes */
if (Memo("")) return;
/* Pseudoanweisungen */
if (DecodePseudo()) return;
if (DecodeIntelPseudo(True)) return;
/* ohne Argument */
for (z=0; z<FixedOrderCount; z++)
if (Memo(FixedOrders[z].Name))
BEGIN
if (ArgCnt!=0) WrError(1110);
else PutCode(FixedOrders[z].Code);
return;
END
/* Datentransfer */
if (Memo("MOV"))
BEGIN
if (ArgCnt!=2) WrError(1110);
else
BEGIN
DecodeAdr(ArgStr[1],MModReg4+MModReg8+MModInd+MModAbs);
switch (AdrMode)
BEGIN
case ModReg4:
HReg=AdrPart;
DecodeAdr(ArgStr[2],MModReg4+MModInd+MModAbs+MModImm);
switch (AdrMode)
BEGIN
case ModReg4:
if (HReg==0)
BEGIN
PutCode(0x7899+(((Word)AdrPart) << 8)); CheckCPU(CPU75004);
END
else if (AdrPart==0)
BEGIN
PutCode(0x7099+(((Word)HReg) << 8)); CheckCPU(CPU75004);
END
else WrError(1350);
break;
case ModInd:
if (HReg!=0) WrError(1350);
else PutCode(0xe0+AdrPart);
break;
case ModAbs:
if (HReg!=0) WrError(1350);
else
BEGIN
BAsmCode[0]=0xa3; BAsmCode[1]=AdrPart; CodeLen=2;
END
break;
case ModImm:
if (HReg==0) PutCode(0x70+AdrPart);
else
BEGIN
PutCode(0x089a+(((Word)AdrPart) << 12)+(((Word)HReg) << 8));
CheckCPU(CPU75004);
END
break;
END
break;
case ModReg8:
HReg=AdrPart;
DecodeAdr(ArgStr[2],MModReg8+MModAbs+MModInd+MModImm);
switch (AdrMode)
BEGIN
case ModReg8:
if (HReg==0)
BEGIN
PutCode(0x58aa+(((Word)AdrPart) << 8)); CheckCPU(CPU75004);
END
else if (AdrPart==0)
BEGIN
PutCode(0x50aa+(((Word)HReg) << 8)); CheckCPU(CPU75004);
END
else WrError(1350);
break;
case ModAbs:
if (HReg!=0) WrError(1350);
else
BEGIN
BAsmCode[0]=0xa2; BAsmCode[1]=AdrPart; CodeLen=2;
if ((NOT FirstPassUnknown) AND (Odd(AdrPart))) WrError(180);
END
break;
case ModInd:
if ((HReg!=0) OR (AdrPart!=1)) WrError(1350);
else
BEGIN
PutCode(0x18aa); CheckCPU(CPU75004);
END
break;
case ModImm:
if (Odd(HReg)) WrError(1350);
else
BEGIN
BAsmCode[0]=0x89+HReg; BAsmCode[1]=AdrPart; CodeLen=2;
END
break;
END
break;
case ModInd:
if (AdrPart!=1) WrError(1350);
else
BEGIN
DecodeAdr(ArgStr[2],MModReg4+MModReg8);
switch (AdrMode)
BEGIN
case ModReg4:
if (AdrPart!=0) WrError(1350);
else
BEGIN
PutCode(0xe8); CheckCPU(CPU75004);
END
break;
case ModReg8:
if (AdrPart!=0) WrError(1350);
else
BEGIN
PutCode(0x10aa); CheckCPU(CPU75004);
END
break;
END
END
break;
case ModAbs:
HReg=AdrPart;
DecodeAdr(ArgStr[2],MModReg4+MModReg8);
switch (AdrMode)
BEGIN
case ModReg4:
if (AdrPart!=0) WrError(1350);
else
BEGIN
BAsmCode[0]=0x93; BAsmCode[1]=HReg; CodeLen=2;
END
break;
case ModReg8:
if (AdrPart!=0) WrError(1350);
else
BEGIN
BAsmCode[0]=0x92; BAsmCode[1]=HReg; CodeLen=2;
if ((NOT FirstPassUnknown) AND (Odd(HReg))) WrError(180);
END
break;
END
break;
END
END
return;
END
if (Memo("XCH"))
BEGIN
if (ArgCnt!=2) WrError(1110);
else
BEGIN
DecodeAdr(ArgStr[1],MModReg4+MModReg8+MModAbs+MModInd);
switch (AdrMode)
BEGIN
case ModReg4:
HReg=AdrPart;
DecodeAdr(ArgStr[2],MModReg4+MModAbs+MModInd);
switch (AdrMode)
BEGIN
case ModReg4:
if (HReg==0) PutCode(0xd8+AdrPart);
else if (AdrPart==0) PutCode(0xd8+HReg);
else WrError(1350);
break;
case ModAbs:
if (HReg!=0) WrError(1350);
else
BEGIN
BAsmCode[0]=0xb3; BAsmCode[1]=AdrPart; CodeLen=2;
END
break;
case ModInd:
if (HReg!=0) WrError(1350);
else PutCode(0xe8+AdrPart);
break;
END
break;
case ModReg8:
HReg=AdrPart;
DecodeAdr(ArgStr[2],MModReg8+MModAbs+MModInd);
switch (AdrMode)
BEGIN
case ModReg8:
if (HReg==0)
BEGIN
PutCode(0x40aa+(((Word)AdrPart) << 8)); CheckCPU(CPU75004);
END
else if (AdrPart==0)
BEGIN
PutCode(0x40aa+(((Word)HReg) << 8)); CheckCPU(CPU75004);
END
else WrError(1350);
break;
case ModAbs:
if (HReg!=0) WrError(1350);
else
BEGIN
BAsmCode[0]=0xb2; BAsmCode[1]=AdrPart; CodeLen=2;
if ((FirstPassUnknown) AND (Odd(AdrPart))) WrError(180);
END
break;
case ModInd:
if ((AdrPart!=1) OR (HReg!=0)) WrError(1350);
else
BEGIN
PutCode(0x11aa); CheckCPU(CPU75004);
END
break;
END
break;
case ModAbs:
HReg=AdrPart;
DecodeAdr(ArgStr[2],MModReg4+MModReg8);
switch (AdrMode)
BEGIN
case ModReg4:
if (AdrPart!=0) WrError(1350);
else
BEGIN
BAsmCode[0]=0xb3; BAsmCode[1]=HReg; CodeLen=2;
END
break;
case ModReg8:
if (AdrPart!=0) WrError(1350);
else
BEGIN
BAsmCode[0]=0xb2; BAsmCode[1]=HReg; CodeLen=2;
if ((FirstPassUnknown) AND (Odd(HReg))) WrError(180);
END
break;
END
break;
case ModInd:
HReg=AdrPart;
DecodeAdr(ArgStr[2],MModReg4+MModReg8);
switch (AdrMode)
BEGIN
case ModReg4:
if (AdrPart!=0) WrError(1350);
else PutCode(0xe8+HReg);
break;
case ModReg8:
if ((AdrPart!=0) OR (HReg!=1)) WrError(1350);
else
BEGIN
PutCode(0x11aa); CheckCPU(CPU75004);
END;
break;
END
break;
END
END
return;
END
if (Memo("MOVT"))
BEGIN
if (ArgCnt!=2) WrError(1110);
else if (strcasecmp(ArgStr[1],"XA")!=0) WrError(1350);
else if (strcasecmp(ArgStr[2],"@PCDE")==0)
BEGIN
PutCode(0xd4); CheckCPU(CPU75004);
END
else if (strcasecmp(ArgStr[2],"@PCXA")==0) PutCode(0xd0);
else WrError(1350);
return;
END
if ((Memo("PUSH")) OR (Memo("POP")))
BEGIN
OK=Memo("PUSH");
if (ArgCnt!=1) WrError(1110);
else if (strcasecmp(ArgStr[1],"BS")==0)
BEGIN
PutCode(0x0699+(Ord(OK) << 8)); CheckCPU(CPU75004);
END
else
BEGIN
DecodeAdr(ArgStr[1],MModReg8);
switch (AdrMode)
BEGIN
case ModReg8:
if (Odd(AdrPart)) WrError(1350);
else PutCode(0x48+Ord(OK)+AdrPart);
break;
END
END
return;
END
if ((Memo("IN")) OR (Memo("OUT")))
BEGIN
if (ArgCnt!=2) WrError(1110);
else
BEGIN
z=Ord(Memo("IN"));
if (z>0)
BEGIN
strcpy(ArgStr[3],ArgStr[2]);
strcpy(ArgStr[2],ArgStr[1]);
strcpy(ArgStr[1],ArgStr[3]);
END
if (strncasecmp(ArgStr[1],"PORT",4)!=0) WrError(1350);
else
BEGIN
BAsmCode[1]=0xf0+EvalIntExpression(ArgStr[1]+4,UInt4,&OK);
if (OK)
BEGIN
DecodeAdr(ArgStr[2],MModReg8+MModReg4);
switch (AdrMode)
BEGIN
case ModReg4:
if (AdrPart!=0) WrError(1350);
else
BEGIN
BAsmCode[0]=0x93+(z << 4); CodeLen=2;
END
break;
case ModReg8:
if (AdrPart!=0) WrError(1350);
else
BEGIN
BAsmCode[0]=0x92+(z << 4); CodeLen=2;
CheckCPU(CPU75004);
END
break;
END
END
END
END
return;
END
/* Arithmetik */
if (Memo("ADDS"))
BEGIN
if (ArgCnt!=2) WrError(1110);
else
BEGIN
DecodeAdr(ArgStr[1],MModReg4+MModReg8);
switch (AdrMode)
BEGIN
case ModReg4:
if (AdrPart!=0) WrError(1350);
else
BEGIN
DecodeAdr(ArgStr[2],MModImm+MModInd);
switch (AdrMode)
BEGIN
case ModImm:
PutCode(0x60+AdrPart); break;
case ModInd:
if (AdrPart==1) PutCode(0xd2); else WrError(1350);
break;
END
END
break;
case ModReg8:
if (AdrPart==0)
BEGIN
DecodeAdr(ArgStr[2],MModReg8+MModImm);
switch (AdrMode)
BEGIN
case ModReg8:
PutCode(0xc8aa+(((Word)AdrPart) << 8));
CheckCPU(CPU75104);
break;
case ModImm:
BAsmCode[0]=0xb9; BAsmCode[1]=AdrPart;
CodeLen=2;
CheckCPU(CPU75104);
break;
END
END
else if (strcasecmp(ArgStr[2],"XA")!=0) WrError(1350);
else
BEGIN
PutCode(0xc0aa+(((Word)AdrPart) << 8));
CheckCPU(CPU75104);
END
break;
END
END
return;
END
for (z=0; z<AriOrderCount; z++)
if (Memo(AriOrders[z]))
BEGIN
if (ArgCnt!=2) WrError(1110);
else
BEGIN
DecodeAdr(ArgStr[1],MModReg4+MModReg8);
switch (AdrMode)
BEGIN
case ModReg4:
if (AdrPart!=0) WrError(1350);
else
BEGIN
DecodeAdr(ArgStr[2],MModInd);
switch (AdrMode)
BEGIN
case ModInd:
if (AdrPart==1)
BEGIN
BAsmCode[0]=0xa8;
if (z==0) BAsmCode[0]++;
if (z==2) BAsmCode[0]+=0x10;
CodeLen=1;
if (NOT Memo("ADDC")) CheckCPU(CPU75004);
END
else WrError(1350);
break;
END
END
break;
case ModReg8:
if (AdrPart==0)
BEGIN
DecodeAdr(ArgStr[2],MModReg8);
switch (AdrMode)
BEGIN
case ModReg8:
PutCode(0xc8aa+((z+1) << 12)+(((Word)AdrPart) << 8));
CheckCPU(CPU75104);
break;
END
END
else if (strcasecmp(ArgStr[2],"XA")!=0) WrError(1350);
else
BEGIN
PutCode(0xc0aa+((z+1) << 12)+(((Word)AdrPart) << 8));
CheckCPU(CPU75104);
END
break;
END
END
return;
END
for (z=0; z<LogOrderCount; z++)
if (Memo(LogOrders[z]))
BEGIN
if (ArgCnt!=2) WrError(1110);
else
BEGIN
DecodeAdr(ArgStr[1],MModReg4+MModReg8);
switch (AdrMode)
BEGIN
case ModReg4:
if (AdrPart!=0) WrError(1350);
else
BEGIN
DecodeAdr(ArgStr[2],MModImm+MModInd);
switch (AdrMode)
BEGIN
case ModImm:
PutCode(0x2099+(((Word)AdrPart & 15) << 8)+((z+1) << 12));
CheckCPU(CPU75004);
break;
case ModInd:
if (AdrPart==1) PutCode(0x80+((z+1) << 4)); else WrError(1350);
break;
END
END
break;
case ModReg8:
if (AdrPart==0)
BEGIN
DecodeAdr(ArgStr[2],MModReg8);
switch (AdrMode)
BEGIN
case ModReg8:
PutCode(0x88aa+(((Word)AdrPart) << 8)+((z+1) << 12));
CheckCPU(CPU75104);
break;
END
END
else if (strcasecmp(ArgStr[2],"XA")!=0) WrError(1350);
else
BEGIN
PutCode(0x80aa+(((Word)AdrPart) << 8)+((z+1) << 12));
CheckCPU(CPU75104);
END
break;
END
END
return;
END
if (Memo("INCS"))
BEGIN
if (ArgCnt!=1) WrError(1110);
else
BEGIN
DecodeAdr(ArgStr[1],MModReg4+MModReg8+MModInd+MModAbs);
switch (AdrMode)
BEGIN
case ModReg4:
PutCode(0xc0+AdrPart);
break;
case ModReg8:
if ((AdrPart<1) OR (Odd(AdrPart))) WrError(1350);
else
BEGIN
PutCode(0x88+AdrPart); CheckCPU(CPU75104);
END
break;
case ModInd:
if (AdrPart==1)
BEGIN
PutCode(0x0299); CheckCPU(CPU75004);
END
else WrError(1350);
break;
case ModAbs:
BAsmCode[0]=0x82; BAsmCode[1]=AdrPart; CodeLen=2;
break;
END
END
return;
END
if (Memo("DECS"))
BEGIN
if (ArgCnt!=1) WrError(1110);
else
BEGIN
DecodeAdr(ArgStr[1],MModReg4+MModReg8);
switch (AdrMode)
BEGIN
case ModReg4:
PutCode(0xc8+AdrPart);
break;
case ModReg8:
PutCode(0x68aa+(((Word)AdrPart) << 8));
CheckCPU(CPU75104);
break;
END
END
return;
END
if (Memo("SKE"))
BEGIN
if (ArgCnt!=2) WrError(1110);
else
BEGIN
DecodeAdr(ArgStr[1],MModReg4+MModReg8+MModInd);
switch (AdrMode)
BEGIN
case ModReg4:
HReg=AdrPart;
DecodeAdr(ArgStr[2],MModImm+MModInd+MModReg4);
switch (AdrMode)
BEGIN
case ModReg4:
if (HReg==0)
BEGIN
PutCode(0x0899+(((Word)AdrPart) << 8)); CheckCPU(CPU75004);
END
else if (AdrPart==0)
BEGIN
PutCode(0x0899+(((Word)HReg) << 8)); CheckCPU(CPU75004);
END
else WrError(1350);
break;
case ModImm:
BAsmCode[0]=0x9a; BAsmCode[1]=(AdrPart << 4)+HReg;
CodeLen=2;
break;
case ModInd:
if ((AdrPart==1) AND (HReg==0)) PutCode(0x80);
else WrError(1350);
break;
END
break;
case ModReg8:
HReg=AdrPart;
DecodeAdr(ArgStr[2],MModInd+MModReg8);
switch (AdrMode)
BEGIN
case ModReg8:
if (HReg==0)
BEGIN
PutCode(0x48aa+(((Word)AdrPart) << 8)); CheckCPU(CPU75104);
END
else if (AdrPart==0)
BEGIN
PutCode(0x48aa+(((Word)HReg) << 8)); CheckCPU(CPU75104);
END
else WrError(1350);
break;
case ModInd:
if (AdrPart==1)
BEGIN
PutCode(0x19aa); CheckCPU(CPU75104);
END
else WrError(1350);
break;
END
break;
case ModInd:
if (AdrPart!=1) WrError(1350);
else
BEGIN
MinOneIs0=True;
DecodeAdr(ArgStr[2],MModImm+MModReg4+MModReg8);
switch (AdrMode)
BEGIN
case ModImm:
PutCode(0x6099+(((Word)AdrPart) << 8)); CheckCPU(CPU75004);
break;
case ModReg4:
if (AdrPart==0) PutCode(0x80); else WrError(1350);
break;
case ModReg8:
if (AdrPart==0)
BEGIN
PutCode(0x19aa); CheckCPU(CPU75004);
END
else WrError(1350);
break;
END
END
break;
END
END
return;
END
if ((Memo("RORC")) OR (Memo("NOT")))
BEGIN
if (ArgCnt!=1) WrError(1110);
else if (strcasecmp(ArgStr[1],"A")!=0) WrError(1350);
else if (Memo("RORC")) PutCode(0x98);
else PutCode(0x5f99);
return;
END
/* Bitoperationen */
if (Memo("MOV1"))
BEGIN
if (ArgCnt!=2) WrError(1110);
else
BEGIN
OK=True;
if (strcasecmp(ArgStr[1],"CY")==0) z=0xbd;
else if (strcasecmp(ArgStr[2],"CY")==0) z=0x9b;
else OK=False;
if (NOT OK) WrError(1350);
else if (DecodeBitAddr(ArgStr[((z >> 2) & 3)-1],&BVal))
if (Hi(BVal)!=0) WrError(1350);
else
BEGIN
BAsmCode[0]=z; BAsmCode[1]=BVal; CodeLen=2;
CheckCPU(CPU75104);
END
END
return;
END
if ((Memo("SET1")) OR (Memo("CLR1")))
BEGIN
OK=Memo("SET1");
if (ArgCnt!=1) WrError(1110);
else if (strcasecmp(ArgStr[1],"CY")==0) PutCode(0xe6+Ord(OK));
else if (DecodeBitAddr(ArgStr[1],&BVal))
if (Hi(BVal)!=0)
BEGIN
BAsmCode[0]=0x84+Ord(OK)+(Hi(BVal & 0x300) << 4);
BAsmCode[1]=Lo(BVal); CodeLen=2;
END
else
BEGIN
BAsmCode[0]=0x9c+Ord(OK); BAsmCode[1]=BVal; CodeLen=2;
END
return;
END
if ((Memo("SKT")) OR (Memo("SKF")))
BEGIN
OK=Memo("SKT");
if (ArgCnt!=1) WrError(1110);
else if (strcasecmp(ArgStr[1],"CY")==0)
if (Memo("SKT")) PutCode(0xd7);
else WrError(1350);
else if (DecodeBitAddr(ArgStr[1],&BVal))
if (Hi(BVal)!=0)
BEGIN
BAsmCode[0]=0x86+Ord(OK)+(Hi(BVal & 0x300) << 4);
BAsmCode[1]=Lo(BVal); CodeLen=2;
END
else
BEGIN
BAsmCode[0]=0xbe + Ord(OK); /* ANSI :-0 */
BAsmCode[1]=BVal; CodeLen=2;
END
return;
END
if (Memo("NOT1"))
BEGIN
if (ArgCnt!=1) WrError(1110);
else if (strcasecmp(ArgStr[1],"CY")!=0) WrError(1350);
else PutCode(0xd6);
return;
END
if (Memo("SKTCLR"))
BEGIN
if (ArgCnt!=1) WrError(1110);
else if (DecodeBitAddr(ArgStr[1],&BVal))
if (Hi(BVal)!=0) WrError(1350);
else
BEGIN
BAsmCode[0]=0x9f; BAsmCode[1]=BVal; CodeLen=2;
END
return;
END
if (OpPart[strlen(OpPart)-1]=='1')
for (z=0; z<LogOrderCount; z++)
if (strncmp(LogOrders[z],OpPart,strlen(LogOrders[z]))==0)
BEGIN
if (ArgCnt!=2) WrError(1110);
else if (strcasecmp(ArgStr[1],"CY")!=0) WrError(1350);
else if (DecodeBitAddr(ArgStr[2],&BVal))
if (Hi(BVal)!=0) WrError(1350);
else
BEGIN
BAsmCode[0]=0xac+((z & 1) << 1)+((z & 2) << 3);
BAsmCode[1]=BVal; CodeLen=2;
END
return;
END
/* Spruenge */
if (Memo("BR"))
BEGIN
if (ArgCnt!=1) WrError(1110);
else if (strcasecmp(ArgStr[1],"PCDE")==0)
BEGIN
PutCode(0x0499); CheckCPU(CPU75004);
END
else if (strcasecmp(ArgStr[1],"PCXA")==0)
BEGIN
BAsmCode[0]=0x99; BAsmCode[1]=0x00; CodeLen=2;
CheckCPU(CPU75104);
END
else
BEGIN
BrRel=False; BrLong=False;
if (*ArgStr[1]=='$')
BEGIN
BrRel=True; strcpy(ArgStr[1],ArgStr[1]+1);
END
else if (*ArgStr[1]=='!')
BEGIN
BrLong=True; strcpy(ArgStr[1],ArgStr[1]+1);
END
AdrInt=EvalIntExpression(ArgStr[1],UInt16,&OK);
if (OK)
BEGIN
Dist=AdrInt-EProgCounter();
if ((BrRel) OR ((Dist<=16) AND (Dist>=-15) AND (Dist!=0)))
BEGIN
if (Dist>0)
BEGIN
Dist--;
if ((Dist>15) AND (NOT SymbolQuestionable)) WrError(1370);
else PutCode(0x00+Dist);
END
else
BEGIN
if ((Dist<-15) AND (NOT SymbolQuestionable)) WrError(1370);
else PutCode(0xf0+15+Dist);
END
END
else if ((NOT BrLong) AND ((AdrInt >> 12)==(EProgCounter() >> 12)) AND ((EProgCounter() & 0xfff)<0xffe))
BEGIN
BAsmCode[0]=0x50+((AdrInt >> 8) & 15);
BAsmCode[1]=Lo(AdrInt);
CodeLen=2;
END
else
BEGIN
BAsmCode[0]=0xab;
BAsmCode[1]=Hi(AdrInt & 0x3fff);
BAsmCode[2]=Lo(AdrInt);
CodeLen=3;
CheckCPU(CPU75004);
END
ChkSpace(SegCode);
END
END
return;
END
if (Memo("BRCB"))
BEGIN
if (ArgCnt!=1) WrError(1110);
else
BEGIN
AdrInt=EvalIntExpression(ArgStr[1],UInt16,&OK);
if (OK)
if ((AdrInt >> 12)!=(EProgCounter() >> 12)) WrError(1910);
else if ((EProgCounter() & 0xfff)>=0xffe) WrError(1905);
else
BEGIN
BAsmCode[0]=0x50+((AdrInt >> 8) & 15);
BAsmCode[1]=Lo(AdrInt);
CodeLen=2;
ChkSpace(SegCode);
END
END
return;
END
if (Memo("CALL"))
BEGIN
if (ArgCnt!=1) WrError(1110);
else
BEGIN
if (*ArgStr[1]=='!')
BEGIN
strcpy(ArgStr[1],ArgStr[1]+1); BrLong=True;
END
else BrLong=False;
FirstPassUnknown=False;
AdrInt=EvalIntExpression(ArgStr[1],UInt16,&OK);
if (FirstPassUnknown) AdrInt&=0x7ff;
if (OK)
BEGIN
if ((BrLong) OR (AdrInt>0x7ff))
BEGIN
BAsmCode[0]=0xab;
BAsmCode[1]=0x40+Hi(AdrInt & 0x3fff);
BAsmCode[2]=Lo(AdrInt);
CodeLen=3;
CheckCPU(CPU75004);
END
else
BEGIN
BAsmCode[0]=0x40+Hi(AdrInt & 0x7ff);
BAsmCode[1]=Lo(AdrInt);
CodeLen=2;
END
ChkSpace(SegCode);
END
END
return;
END
if (Memo("CALLF"))
BEGIN
if (ArgCnt!=1) WrError(1110);
else
BEGIN
if (*ArgStr[1]=='!') strcpy(ArgStr[1],ArgStr[1]+1);
AdrInt=EvalIntExpression(ArgStr[1],UInt11,&OK);
if (OK)
BEGIN
BAsmCode[0]=0x40+Hi(AdrInt);
BAsmCode[1]=Lo(AdrInt);
CodeLen=2;
ChkSpace(SegCode);
END
END
return;
END
if (Memo("GETI"))
BEGIN
if (ArgCnt!=1) WrError(1110);
else
BEGIN
BAsmCode[0]=EvalIntExpression(ArgStr[1],UInt6,&OK);
CodeLen=Ord(OK);
CheckCPU(CPU75004);
END
return;
END
/* Steueranweisungen */
if ((Memo("EI")) OR (Memo("DI")))
BEGIN
OK=Memo("EI");
if (ArgCnt==0) PutCode(0xb29c+Ord(OK));
else if (ArgCnt!=1) WrError(1110);
else if (DecodeIntName(ArgStr[1],&HReg)) PutCode(0x989c+Ord(OK)+(((Word)HReg) << 8));
else WrError(1440);
return;
END
if (Memo("SEL"))
BEGIN
BAsmCode[0]=0x99;
if (ArgCnt!=1) WrError(1110);
else if (strncasecmp(ArgStr[1],"RB",2)==0)
BEGIN
BAsmCode[1]=0x20+EvalIntExpression(ArgStr[1]+2,UInt2,&OK);
if (OK)
BEGIN
CodeLen=2; CheckCPU(CPU75104);
END
END
else if (strncasecmp(ArgStr[1],"MB",2)==0)
BEGIN
BAsmCode[1]=0x10+EvalIntExpression(ArgStr[1]+2,UInt4,&OK);
if (OK)
BEGIN
CodeLen=2; CheckCPU(CPU75004);
END
END
else WrError(1350);
return;
END
WrXError(1200,OpPart);
END
static void InitCode_75K0(void)
BEGIN
SaveInitProc();
MBSValue=0; MBEValue=0;
END
static Boolean IsDef_75K0(void)
BEGIN
return ((Memo("SFR")) OR (Memo("BIT")));
END
static void SwitchFrom_75K0(void)
BEGIN
DeinitFields();
END
static void SwitchTo_75K0(void)
BEGIN
TurnWords=False; ConstMode=ConstModeIntel; SetIsOccupied=False;
PCSymbol="PC"; HeaderID=0x7b; NOPCode=0x60;
DivideChars=","; HasAttrs=False;
ValidSegs=(1<<SegCode)|(1<<SegData);
Grans[SegCode]=1; ListGrans[SegCode]=1; SegInits[SegCode]=0;
Grans[SegData]=1; ListGrans[SegData]=1; SegInits[SegData]=0;
SegLimits[SegData] = 0xfff;
MakeCode=MakeCode_75K0; IsDef=IsDef_75K0;
SwitchFrom=SwitchFrom_75K0; InitFields();
SegLimits[SegCode] = ROMEnd;
END
void code75k0_init(void)
BEGIN
CPU75402=AddCPU("75402",SwitchTo_75K0);
CPU75004=AddCPU("75004",SwitchTo_75K0);
CPU75006=AddCPU("75006",SwitchTo_75K0);
CPU75008=AddCPU("75008",SwitchTo_75K0);
CPU75268=AddCPU("75268",SwitchTo_75K0);
CPU75304=AddCPU("75304",SwitchTo_75K0);
CPU75306=AddCPU("75306",SwitchTo_75K0);
CPU75308=AddCPU("75308",SwitchTo_75K0);
CPU75312=AddCPU("75312",SwitchTo_75K0);
CPU75316=AddCPU("75316",SwitchTo_75K0);
CPU75328=AddCPU("75328",SwitchTo_75K0);
CPU75104=AddCPU("75104",SwitchTo_75K0);
CPU75106=AddCPU("75106",SwitchTo_75K0);
CPU75108=AddCPU("75108",SwitchTo_75K0);
CPU75112=AddCPU("75112",SwitchTo_75K0);
CPU75116=AddCPU("75116",SwitchTo_75K0);
CPU75206=AddCPU("75206",SwitchTo_75K0);
CPU75208=AddCPU("75208",SwitchTo_75K0);
CPU75212=AddCPU("75212",SwitchTo_75K0);
CPU75216=AddCPU("75216",SwitchTo_75K0);
CPU75512=AddCPU("75512",SwitchTo_75K0);
CPU75516=AddCPU("75516",SwitchTo_75K0);
SaveInitProc=InitPassProc; InitPassProc=InitCode_75K0;
END