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- MODULE DevCPL486;
- (* THIS IS TEXT COPY OF BlackBox 1.6-rc6 Dev/Mod/CPL486.odc *)
- (* DO NOT EDIT *)
- IMPORT DevCPM, DevCPT, DevCPE;
-
- TYPE
- Item* = RECORD
- mode*, tmode*, form*: BYTE;
- offset*, index*, reg*, scale*: INTEGER; (* adr = offset + index * scale *)
- typ*: DevCPT.Struct;
- obj*: DevCPT.Object
- END ;
-
- (* Items:
- mode | offset index scale reg obj
- ------------------------------------------------
- 1 Var | adr xreg scale obj (ea = FP + adr + xreg * scale)
- 2 VarPar| off xreg scale obj (ea = [FP + obj.adr] + off + xreg * scale)
- 3 Con | val (val2) NIL
- Con | off obj (val = adr(obj) + off)
- Con | id NIL (for predefined reals)
- 6 LProc | obj
- 7 XProc | obj
- 9 CProc | obj
- 10 IProc | obj
- 13 TProc | mthno 0/1 obj (0 = normal / 1 = super call)
- 14 Ind | off xreg scale Reg (ea = Reg + off + xreg * scale)
- 15 Abs | adr xreg scale NIL (ea = adr + xreg * scale)
- Abs | off xreg scale obj (ea = adr(obj) + off + xreg * scale)
- Abs | off len 0 obj (for constant strings and reals)
- 16 Stk | (ea = ESP)
- 17 Cond | CC
- 18 Reg | (Reg2) Reg
- 19 DInd | off xreg scale Reg (ea = [Reg + off + xreg * scale])
- tmode | record tag array desc
- -------------------------------------
- VarPar | [FP + obj.adr + 4] [FP + obj.adr]
- Ind | [Reg - 4] [Reg + 8]
- Con | Adr(typ.strobj)
- *)
- CONST
- processor* = 10; (* for i386 *)
- NewLbl* = 0;
- TYPE
- Label* = INTEGER; (* 0: unassigned, > 0: address, < 0: - (linkadr + linktype * 2^24) *)
-
- VAR
- level*: BYTE;
- one*: DevCPT.Const;
- CONST
- (* item base modes (=object modes) *)
- Var = 1; VarPar = 2; Con = 3; LProc = 6; XProc = 7; CProc = 9; IProc = 10; TProc = 13;
-
- (* item modes for i386 (must not overlap item basemodes, > 13) *)
- Ind = 14; Abs = 15; Stk = 16; Cond = 17; Reg = 18; DInd = 19;
-
- (* structure forms *)
- Undef = 0; Byte = 1; Bool = 2; Char8 = 3; Int8 = 4; Int16 = 5; Int32 = 6;
- Real32 = 7; Real64 = 8; Set = 9; String8 = 10; NilTyp = 11; NoTyp = 12;
- Pointer = 13; ProcTyp = 14; Comp = 15;
- Char16 = 16; String16 = 17; Int64 = 18; Guid = 23;
-
- (* composite structure forms *)
- Basic = 1; Array = 2; DynArr = 3; Record = 4;
-
- (* condition codes *)
- ccB = 2; ccAE = 3; ccBE = 6; ccA = 7; (* unsigned *)
- ccL = 12; ccGE = 13; ccLE = 14; ccG = 15; (* signed *)
- ccE = 4; ccNE = 5; ccS = 8; ccNS = 9; ccO = 0; ccNO = 1;
- ccAlways = -1; ccNever = -2; ccCall = -3;
-
- (* registers *)
- AX = 0; CX = 1; DX = 2; BX = 3; SP = 4; BP = 5; SI = 6; DI = 7; AH = 4; CH = 5; DH = 6; BH = 7;
-
- (* fixup types *)
- absolute = 100; relative = 101; copy = 102; table = 103; tableend = 104; short = 105;
-
- (* system trap numbers *)
- withTrap = -1; caseTrap = -2; funcTrap = -3; typTrap = -4;
- recTrap = -5; ranTrap = -6; inxTrap = -7; copyTrap = -8;
-
- VAR
- Size: ARRAY 32 OF INTEGER; (* Size[typ.form] == +/- typ.size *)
- a1, a2: Item;
- PROCEDURE MakeReg* (VAR x: Item; reg: INTEGER; form: BYTE);
- BEGIN
- ASSERT((reg >= 0) & (reg < 8));
- x.mode := Reg; x.reg := reg; x.form := form
- END MakeReg;
-
- PROCEDURE MakeConst* (VAR x: Item; val: INTEGER; form: BYTE);
- BEGIN
- x.mode := Con; x.offset := val; x.form := form; x.obj := NIL;
- END MakeConst;
- PROCEDURE AllocConst* (VAR x: Item; con: DevCPT.Const; form: BYTE);
- VAR r: REAL; short: SHORTREAL; c: DevCPT.Const; i: INTEGER;
- BEGIN
- IF form IN {Real32, Real64} THEN
- r := con.realval;
- IF ABS(r) <= MAX(SHORTREAL) THEN
- short := SHORT(r);
- IF short = r THEN form := Real32 (* a shortreal can represent the exact value *)
- ELSE form := Real64 (* use a real *)
- END
- ELSE form := Real64 (* use a real *)
- END
- ELSIF form IN {String8, String16, Guid} THEN
- x.index := con.intval2 (* string length *)
- END;
- DevCPE.AllocConst(con, form, x.obj, x.offset);
- x.form := form; x.mode := Abs; x.scale := 0
- END AllocConst;
- (*******************************************************)
-
- PROCEDURE BegStat*; (* general-purpose procedure which is called before each statement *)
- BEGIN
- END BegStat;
- PROCEDURE EndStat*; (* general-purpose procedure which is called after each statement *)
- BEGIN
- END EndStat;
- (*******************************************************)
-
- PROCEDURE SetLabel* (VAR L: Label);
- VAR link, typ, disp, x: INTEGER; c: SHORTCHAR;
- BEGIN
- ASSERT(L <= 0); link := -L;
- WHILE link # 0 DO
- typ := link DIV 1000000H; link := link MOD 1000000H;
- IF typ = short THEN
- disp := DevCPE.pc - link - 1; ASSERT(disp < 128);
- DevCPE.PutByte(link, disp); link := 0
- ELSIF typ = relative THEN
- x := DevCPE.ThisWord(link); DevCPE.PutWord(link, DevCPE.pc - link - 4); link := x
- ELSE
- x := DevCPE.ThisWord(link); DevCPE.PutWord(link, DevCPE.pc + typ * 1000000H); link := x
- END
- END;
- L := DevCPE.pc;
- a1.mode := 0; a2.mode := 0
- END SetLabel;
-
- (*******************************************************)
-
- PROCEDURE GenWord (x: INTEGER);
- BEGIN
- DevCPE.GenByte(x); DevCPE.GenByte(x DIV 256)
- END GenWord;
- PROCEDURE GenDbl (x: INTEGER);
- BEGIN
- DevCPE.GenByte(x); DevCPE.GenByte(x DIV 256); DevCPE.GenByte(x DIV 10000H); DevCPE.GenByte(x DIV 1000000H)
- END GenDbl;
-
- PROCEDURE CaseEntry* (tab, from, to: INTEGER);
- VAR a, e: INTEGER;
- BEGIN
- a := tab + 4 * from; e := tab + 4 * to;
- WHILE a <= e DO
- DevCPE.PutByte(a, DevCPE.pc);
- DevCPE.PutByte(a + 1, DevCPE.pc DIV 256);
- DevCPE.PutByte(a + 2, DevCPE.pc DIV 65536);
- INC(a, 4)
- END;
- a1.mode := 0; a2.mode := 0
- END CaseEntry;
- PROCEDURE GenLinked (VAR x: Item; type: BYTE);
- VAR link: DevCPT.LinkList;
- BEGIN
- IF x.obj = NIL THEN GenDbl(x.offset)
- ELSE
- link := DevCPE.OffsetLink(x.obj, x.offset);
- IF link # NIL THEN
- GenDbl(type * 1000000H + link.linkadr MOD 1000000H);
- link.linkadr := DevCPE.pc - 4
- ELSE GenDbl(0)
- END
- END
- END GenLinked;
-
- PROCEDURE CheckSize (form: BYTE; VAR w: INTEGER);
- BEGIN
- IF form IN {Int16, Char16} THEN DevCPE.GenByte(66H); w := 1
- ELSIF form >= Int32 THEN ASSERT(form IN {Int32, Set, NilTyp, Pointer, ProcTyp}); w := 1
- ELSE w := 0
- END
- END CheckSize;
-
- PROCEDURE CheckForm (form: BYTE; VAR mf: INTEGER);
- BEGIN
- IF form = Real32 THEN mf := 0
- ELSIF form = Real64 THEN mf := 4
- ELSIF form = Int32 THEN mf := 2
- ELSE ASSERT(form = Int16); mf := 6
- END
- END CheckForm;
-
- PROCEDURE CheckConst (VAR x: Item; VAR s: INTEGER);
- BEGIN
- IF (x.form > Int8) & (x.offset >= -128) & (x.offset < 128) & (x.obj = NIL) THEN s := 2
- ELSE s := 0
- END
- END CheckConst;
-
- PROCEDURE GenConst (VAR x: Item; short: BOOLEAN);
- BEGIN
- IF x.obj # NIL THEN GenLinked(x, absolute)
- ELSIF x.form <= Int8 THEN DevCPE.GenByte(x.offset)
- ELSIF short & (x.offset >= -128) & (x.offset < 128) THEN DevCPE.GenByte(x.offset)
- ELSIF x.form IN {Int16, Char16} THEN GenWord(x.offset)
- ELSE GenDbl(x.offset)
- END
- END GenConst;
-
- PROCEDURE GenCExt (code: INTEGER; VAR x: Item);
- VAR disp, mod, base, scale: INTEGER;
- BEGIN
- ASSERT(x.mode IN {Reg, Ind, Abs, Stk});
- ASSERT((code MOD 8 = 0) & (code < 64));
- disp := x.offset; base := x.reg; scale := x.scale;
- IF x.mode = Reg THEN mod := 0C0H; scale := 0
- ELSIF x.mode = Stk THEN base := SP; mod := 0; disp := 0; scale := 0
- ELSIF x.mode = Abs THEN
- IF scale = 1 THEN base := x.index; mod := 80H; scale := 0
- ELSE base := BP; mod := 0
- END
- ELSIF (disp = 0) & (base # BP) THEN mod := 0
- ELSIF (disp >= -128) & (disp < 128) THEN mod := 40H
- ELSE mod := 80H
- END;
- IF scale # 0 THEN
- DevCPE.GenByte(mod + code + 4); base := base + x.index * 8;
- IF scale = 8 THEN DevCPE.GenByte(0C0H + base);
- ELSIF scale = 4 THEN DevCPE.GenByte(80H + base);
- ELSIF scale = 2 THEN DevCPE.GenByte(40H + base);
- ELSE ASSERT(scale = 1); DevCPE.GenByte(base);
- END;
- ELSE
- DevCPE.GenByte(mod + code + base);
- IF (base = SP) & (mod <= 80H) THEN DevCPE.GenByte(24H) END
- END;
- IF x.mode = Abs THEN GenLinked(x, absolute)
- ELSIF mod = 80H THEN GenDbl(disp)
- ELSIF mod = 40H THEN DevCPE.GenByte(disp)
- END
- END GenCExt;
-
- PROCEDURE GenDExt (VAR r, x: Item);
- BEGIN
- ASSERT(r.mode = Reg);
- GenCExt(r.reg * 8, x)
- END GenDExt;
-
- (*******************************************************)
-
- PROCEDURE GenMove* (VAR from, to: Item);
- VAR w: INTEGER;
- BEGIN
- ASSERT(Size[from.form] = Size[to.form]);
- IF to.mode = Reg THEN
- IF from.mode = Con THEN
- IF to.reg = AX THEN
- IF (a1.mode = Con) & (from.offset = a1.offset) & (from.obj = a1.obj) & (from.form = a1.form) THEN
- RETURN
- END;
- a1 := from; a2.mode := 0
- END;
- CheckSize(from.form, w);
- IF (from.offset = 0) & (from.obj = NIL) THEN
- DevCPE.GenByte(30H + w); DevCPE.GenByte(0C0H + 9 * to.reg) (* XOR r,r *)
- ELSE
- DevCPE.GenByte(0B0H + w * 8 + to.reg); GenConst(from, FALSE)
- END;
- ELSIF (to.reg = AX) & (from.mode = Abs) & (from.scale = 0) THEN
- IF (a1.mode = Abs) & (from.offset = a1.offset) & (from.obj = a1.obj) & (from.form = a1.form)
- OR (a2.mode = Abs) & (from.offset = a2.offset) & (from.obj = a2.obj) & (from.form = a2.form) THEN
- RETURN
- END;
- a1 := from; a2.mode := 0;
- CheckSize(from.form, w);
- DevCPE.GenByte(0A0H + w); GenLinked(from, absolute);
- ELSIF (from.mode # Reg) OR (from.reg # to.reg) THEN
- IF to.reg = AX THEN
- IF (from.mode = Ind) & (from.scale = 0) & ((from.reg = BP) OR (from.reg = BX)) THEN
- IF (a1.mode = Ind) & (from.offset = a1.offset) & (from.reg = a1.reg) & (from.form = a1.form)
- OR (a2.mode = Ind) & (from.offset = a2.offset) & (from.reg = a2.reg) & (from.form = a2.form) THEN
- RETURN
- END;
- a1 := from
- ELSE a1.mode := 0
- END;
- a2.mode := 0
- END;
- CheckSize(from.form, w);
- DevCPE.GenByte(8AH + w); GenDExt(to, from)
- END
- ELSE
- CheckSize(from.form, w);
- IF from.mode = Con THEN
- DevCPE.GenByte(0C6H + w); GenCExt(0, to); GenConst(from, FALSE);
- a1.mode := 0; a2.mode := 0
- ELSIF (from.reg = AX) & (to.mode = Abs) & (to.scale = 0) THEN
- DevCPE.GenByte(0A2H + w); GenLinked(to, absolute);
- a2 := to
- ELSE
- DevCPE.GenByte(88H + w); GenDExt(from, to);
- IF from.reg = AX THEN
- IF (to.mode = Ind) & (to.scale = 0) & ((to.reg = BP) OR (to.reg = BX)) THEN a2 := to END
- ELSE a1.mode := 0; a2.mode := 0
- END
- END
- END
- END GenMove;
-
- PROCEDURE GenExtMove* (VAR from, to: Item);
- VAR w, op: INTEGER;
- BEGIN
- ASSERT(from.mode # Con);
- IF from.form IN {Byte, Char8, Char16} THEN op := 0B6H (* MOVZX *)
- ELSE op := 0BEH (* MOVSX *)
- END;
- IF from.form IN {Int16, Char16} THEN INC(op) END;
- DevCPE.GenByte(0FH); DevCPE.GenByte(op); GenDExt(to, from);
- IF to.reg = AX THEN a1.mode := 0; a2.mode := 0 END
- END GenExtMove;
-
- PROCEDURE GenSignExt* (VAR from, to: Item);
- BEGIN
- ASSERT(to.mode = Reg);
- IF (from.mode = Reg) & (from.reg = AX) & (to.reg = DX) THEN
- DevCPE.GenByte(99H) (* cdq *)
- ELSE
- GenMove(from, to); (* mov to, from *)
- DevCPE.GenByte(0C1H); GenCExt(38H, to); DevCPE.GenByte(31) (* sar to, 31 *)
- END
- END GenSignExt;
-
- PROCEDURE GenLoadAdr* (VAR from, to: Item);
- BEGIN
- ASSERT(to.form IN {Int32, Pointer, ProcTyp});
- IF (from.mode = Abs) & (from.scale = 0) THEN
- DevCPE.GenByte(0B8H + to.reg); GenLinked(from, absolute)
- ELSIF from.mode = Stk THEN
- DevCPE.GenByte(89H); GenCExt(SP * 8, to)
- ELSIF (from.mode # Ind) OR (from.offset # 0) OR (from.scale # 0) THEN
- DevCPE.GenByte(8DH); GenDExt(to, from)
- ELSIF from.reg # to.reg THEN
- DevCPE.GenByte(89H); GenCExt(from.reg * 8, to)
- ELSE RETURN
- END;
- IF to.reg = AX THEN a1.mode := 0; a2.mode := 0 END
- END GenLoadAdr;
- PROCEDURE GenPush* (VAR src: Item);
- VAR s: INTEGER;
- BEGIN
- IF src.mode = Con THEN
- ASSERT(src.form >= Int32);
- CheckConst(src, s); DevCPE.GenByte(68H + s); GenConst(src, TRUE)
- ELSIF src.mode = Reg THEN
- ASSERT((src.form >= Int16) OR (src.reg < 4));
- DevCPE.GenByte(50H + src.reg)
- ELSE
- ASSERT(src.form >= Int32);
- DevCPE.GenByte(0FFH); GenCExt(30H, src)
- END
- END GenPush;
-
- PROCEDURE GenPop* (VAR dst: Item);
- BEGIN
- IF dst.mode = Reg THEN
- ASSERT((dst.form >= Int16) OR (dst.reg < 4));
- DevCPE.GenByte(58H + dst.reg);
- IF dst.reg = AX THEN a1.mode := 0; a2.mode := 0 END
- ELSE
- DevCPE.GenByte(08FH); GenCExt(0, dst)
- END
- END GenPop;
-
- PROCEDURE GenConOp (op: INTEGER; VAR src, dst: Item);
- VAR w, s: INTEGER;
- BEGIN
- ASSERT(Size[src.form] = Size[dst.form]);
- CheckSize(src.form, w);
- CheckConst(src, s);
- IF (dst.mode = Reg) & (dst.reg = AX) & (s = 0) THEN
- DevCPE.GenByte(op + 4 + w); GenConst(src, FALSE)
- ELSE
- DevCPE.GenByte(80H + s + w); GenCExt(op, dst); GenConst(src, TRUE)
- END
- END GenConOp;
-
- PROCEDURE GenDirOp (op: INTEGER; VAR src, dst: Item);
- VAR w: INTEGER;
- BEGIN
- ASSERT(Size[src.form] = Size[dst.form]);
- CheckSize(src.form, w);
- IF dst.mode = Reg THEN
- DevCPE.GenByte(op + 2 + w); GenDExt(dst, src)
- ELSE
- DevCPE.GenByte(op + w); GenDExt(src, dst)
- END
- END GenDirOp;
- PROCEDURE GenAdd* (VAR src, dst: Item; ovflchk: BOOLEAN);
- VAR w: INTEGER;
- BEGIN
- ASSERT(Size[src.form] = Size[dst.form]);
- IF src.mode = Con THEN
- IF src.obj = NIL THEN
- IF src.offset = 1 THEN
- IF (dst.mode = Reg) & (dst.form >= Int32) THEN DevCPE.GenByte(40H + dst.reg) (* inc *)
- ELSE CheckSize(dst.form, w); DevCPE.GenByte(0FEH + w); GenCExt(0, dst)
- END
- ELSIF src.offset = -1 THEN
- IF (dst.mode = Reg) & (dst.form >= Int32) THEN DevCPE.GenByte(48H + dst.reg) (* dec *)
- ELSE CheckSize(dst.form, w); DevCPE.GenByte(0FEH + w); GenCExt(8, dst)
- END
- ELSIF src.offset # 0 THEN
- GenConOp(0, src, dst)
- ELSE RETURN
- END
- ELSE
- GenConOp(0, src, dst)
- END
- ELSE
- GenDirOp(0, src, dst)
- END;
- IF ovflchk THEN DevCPE.GenByte(0CEH) END;
- IF (dst.mode # Reg) OR (dst.reg = AX) THEN a1.mode := 0; a2.mode := 0 END
- END GenAdd;
-
- PROCEDURE GenAddC* (VAR src, dst: Item; first, ovflchk: BOOLEAN);
- VAR op: INTEGER;
- BEGIN
- ASSERT(Size[src.form] = Size[dst.form]);
- IF first THEN op := 0 ELSE op := 10H END;
- IF src.mode = Con THEN GenConOp(op, src, dst)
- ELSE GenDirOp(op, src, dst)
- END;
- IF ovflchk THEN DevCPE.GenByte(0CEH) END;
- IF (dst.mode # Reg) OR (dst.reg = AX) THEN a1.mode := 0; a2.mode := 0 END
- END GenAddC;
-
- PROCEDURE GenSub* (VAR src, dst: Item; ovflchk: BOOLEAN);
- VAR w: INTEGER;
- BEGIN
- ASSERT(Size[src.form] = Size[dst.form]);
- IF src.mode = Con THEN
- IF src.obj = NIL THEN
- IF src.offset = 1 THEN
- IF (dst.mode = Reg) & (dst.form >= Int32) THEN DevCPE.GenByte(48H + dst.reg) (* dec *)
- ELSE CheckSize(dst.form, w); DevCPE.GenByte(0FEH + w); GenCExt(8, dst)
- END
- ELSIF src.offset = -1 THEN
- IF (dst.mode = Reg) & (dst.form >= Int32) THEN DevCPE.GenByte(40H + dst.reg) (* inc *)
- ELSE CheckSize(dst.form, w); DevCPE.GenByte(0FEH + w); GenCExt(0, dst)
- END
- ELSIF src.offset # 0 THEN
- GenConOp(28H, src, dst)
- ELSE RETURN
- END
- ELSE
- GenConOp(28H, src, dst)
- END
- ELSE
- GenDirOp(28H, src, dst)
- END;
- IF ovflchk THEN DevCPE.GenByte(0CEH) END;
- IF (dst.mode # Reg) OR (dst.reg = AX) THEN a1.mode := 0; a2.mode := 0 END
- END GenSub;
- PROCEDURE GenSubC* (VAR src, dst: Item; first, ovflchk: BOOLEAN);
- VAR op: INTEGER;
- BEGIN
- ASSERT(Size[src.form] = Size[dst.form]);
- IF first THEN op := 28H ELSE op := 18H END;
- IF src.mode = Con THEN GenConOp(op, src, dst)
- ELSE GenDirOp(op, src, dst)
- END;
- IF ovflchk THEN DevCPE.GenByte(0CEH) END;
- IF (dst.mode # Reg) OR (dst.reg = AX) THEN a1.mode := 0; a2.mode := 0 END
- END GenSubC;
- PROCEDURE GenComp* (VAR src, dst: Item);
- VAR w: INTEGER;
- BEGIN
- IF src.mode = Con THEN
- IF (src.offset = 0) & (src.obj = NIL) & (dst.mode = Reg) THEN
- CheckSize(dst.form, w); DevCPE.GenByte(8 + w); DevCPE.GenByte(0C0H + 9 * dst.reg) (* or r,r *)
- ELSE GenConOp(38H, src, dst)
- END
- ELSE
- GenDirOp(38H, src, dst)
- END
- END GenComp;
-
- PROCEDURE GenAnd* (VAR src, dst: Item);
- BEGIN
- IF src.mode = Con THEN
- IF (src.obj # NIL) OR (src.offset # -1) THEN GenConOp(20H, src, dst) END
- ELSE GenDirOp(20H, src, dst)
- END;
- IF (dst.mode # Reg) OR (dst.reg = AX) THEN a1.mode := 0; a2.mode := 0 END
- END GenAnd;
-
- PROCEDURE GenOr* (VAR src, dst: Item);
- BEGIN
- IF src.mode = Con THEN
- IF (src.obj # NIL) OR (src.offset # 0) THEN GenConOp(8H, src, dst) END
- ELSE GenDirOp(8H, src, dst)
- END;
- IF (dst.mode # Reg) OR (dst.reg = AX) THEN a1.mode := 0; a2.mode := 0 END
- END GenOr;
-
- PROCEDURE GenXor* (VAR src, dst: Item);
- BEGIN
- IF src.mode = Con THEN
- IF (src.obj # NIL) OR (src.offset # 0) THEN GenConOp(30H, src, dst) END
- ELSE GenDirOp(30H, src, dst)
- END;
- IF (dst.mode # Reg) OR (dst.reg = AX) THEN a1.mode := 0; a2.mode := 0 END
- END GenXor;
-
- PROCEDURE GenTest* (VAR x, y: Item);
- VAR w: INTEGER;
- BEGIN
- ASSERT(Size[x.form] = Size[y.form]);
- CheckSize(x.form, w);
- IF x.mode = Con THEN
- IF (x.mode = Reg) & (x.reg = AX) THEN
- DevCPE.GenByte(0A8H + w); GenConst(x, FALSE)
- ELSE
- DevCPE.GenByte(0F6H + w); GenCExt(0, y); GenConst(x, FALSE)
- END
- ELSE
- DevCPE.GenByte(84H + w);
- IF y.mode = Reg THEN GenDExt(y, x) ELSE GenDExt(x, y) END
- END
- END GenTest;
-
- PROCEDURE GenNeg* (VAR dst: Item; ovflchk: BOOLEAN);
- VAR w: INTEGER;
- BEGIN
- CheckSize(dst.form, w); DevCPE.GenByte(0F6H + w); GenCExt(18H, dst);
- IF ovflchk THEN DevCPE.GenByte(0CEH) END;
- IF (dst.mode # Reg) OR (dst.reg = AX) THEN a1.mode := 0; a2.mode := 0 END
- END GenNeg;
-
- PROCEDURE GenNot* (VAR dst: Item);
- VAR w: INTEGER;
- BEGIN
- CheckSize(dst.form, w); DevCPE.GenByte(0F6H + w); GenCExt(10H, dst);
- IF (dst.mode # Reg) OR (dst.reg = AX) THEN a1.mode := 0; a2.mode := 0 END
- END GenNot;
-
- PROCEDURE GenMul* (VAR src, dst: Item; ovflchk: BOOLEAN);
- VAR w, s, val, f2, f5, f9: INTEGER;
- BEGIN
- ASSERT((dst.mode = Reg) & (Size[src.form] = Size[dst.form]));
- IF (src.mode = Con) & (src.offset = 1) THEN RETURN END;
- IF src.form <= Int8 THEN
- ASSERT(dst.reg = 0);
- DevCPE.GenByte(0F6H); GenCExt(28H, src)
- ELSIF src.mode = Con THEN
- val := src.offset;
- IF (src.obj = NIL) & (val # 0) & ~ovflchk THEN
- f2 := 0; f5 := 0; f9 := 0;
- WHILE ~ODD(val) DO val := val DIV 2; INC(f2) END;
- WHILE val MOD 9 = 0 DO val := val DIV 9; INC(f9) END;
- WHILE val MOD 5 = 0 DO val := val DIV 5; INC(f5) END;
- IF ABS(val) <= 3 THEN
- WHILE f9 > 0 DO
- DevCPE.GenByte(8DH);
- DevCPE.GenByte(dst.reg * 8 + 4);
- DevCPE.GenByte(0C0H + dst.reg * 9);
- DEC(f9)
- END;
- WHILE f5 > 0 DO
- DevCPE.GenByte(8DH);
- DevCPE.GenByte(dst.reg * 8 + 4);
- DevCPE.GenByte(80H + dst.reg * 9);
- DEC(f5)
- END;
- IF ABS(val) = 3 THEN
- DevCPE.GenByte(8DH); DevCPE.GenByte(dst.reg * 8 + 4); DevCPE.GenByte(40H + dst.reg * 9)
- END;
- IF f2 > 1 THEN DevCPE.GenByte(0C1H); DevCPE.GenByte(0E0H + dst.reg); DevCPE.GenByte(f2)
- ELSIF f2 = 1 THEN DevCPE.GenByte(1); DevCPE.GenByte(0C0H + dst.reg * 9)
- END;
- IF val < 0 THEN DevCPE.GenByte(0F7H); GenCExt(18H, dst) END;
- IF dst.reg = AX THEN a1.mode := 0; a2.mode := 0 END;
- RETURN
- END
- END;
- CheckSize(src.form, w); CheckConst(src, s);
- DevCPE.GenByte(69H + s); GenDExt(dst, dst); GenConst(src, TRUE)
- ELSE
- CheckSize(src.form, w);
- DevCPE.GenByte(0FH); DevCPE.GenByte(0AFH); GenDExt(dst, src)
- END;
- IF ovflchk THEN DevCPE.GenByte(0CEH) END;
- IF dst.reg = AX THEN a1.mode := 0; a2.mode := 0 END
- END GenMul;
-
- PROCEDURE GenDiv* (VAR src: Item; mod, pos: BOOLEAN);
- VAR w, rem: INTEGER;
- BEGIN
- ASSERT(src.mode = Reg);
- IF src.form >= Int32 THEN DevCPE.GenByte(99H) (* cdq *)
- ELSIF src.form = Int16 THEN DevCPE.GenByte(66H); DevCPE.GenByte(99H) (* cwd *)
- ELSE DevCPE.GenByte(66H); DevCPE.GenByte(98H) (* cbw *)
- END;
- CheckSize(src.form, w); DevCPE.GenByte(0F6H + w); GenCExt(38H, src); (* idiv src *)
- IF src.form > Int8 THEN rem := 2 (* edx *) ELSE rem := 4 (* ah *) END;
- IF pos THEN (* src > 0 *)
- CheckSize(src.form, w); DevCPE.GenByte(8 + w); DevCPE.GenByte(0C0H + 9 * rem); (* or rem,rem *)
- IF mod THEN
- DevCPE.GenByte(79H); DevCPE.GenByte(2); (* jns end *)
- DevCPE.GenByte(2 + w); GenCExt(8 * rem, src); (* add rem,src *)
- ELSE
- DevCPE.GenByte(79H); DevCPE.GenByte(1); (* jns end *)
- DevCPE.GenByte(48H); (* dec eax *)
- END
- ELSE
- CheckSize(src.form, w); DevCPE.GenByte(30H + w); GenCExt(8 * rem, src); (* xor src,rem *)
- IF mod THEN
- DevCPE.GenByte(79H); (* jns end *)
- IF src.form = Int16 THEN DevCPE.GenByte(9); DevCPE.GenByte(66H) ELSE DevCPE.GenByte(8) END;
- DevCPE.GenByte(8 + w); DevCPE.GenByte(0C0H + 9 * rem); (* or rem,rem *)
- DevCPE.GenByte(74H); DevCPE.GenByte(4); (* je end *)
- DevCPE.GenByte(30H + w); GenCExt(8 * rem, src); (* xor src,rem *)
- DevCPE.GenByte(2 + w); GenCExt(8 * rem, src); (* add rem,src *)
- ELSE
- DevCPE.GenByte(79H); (* jns end *)
- IF src.form = Int16 THEN DevCPE.GenByte(6); DevCPE.GenByte(66H) ELSE DevCPE.GenByte(5) END;
- DevCPE.GenByte(8 + w); DevCPE.GenByte(0C0H + 9 * rem); (* or rem,rem *)
- DevCPE.GenByte(74H); DevCPE.GenByte(1); (* je end *)
- DevCPE.GenByte(48H); (* dec eax *)
- END
- (*
- CheckSize(src.form, w); DevCPE.GenByte(3AH + w); GenCExt(8 * rem, src); (* cmp rem,src *)
- IF mod THEN
- DevCPE.GenByte(72H); DevCPE.GenByte(4); (* jb end *)
- DevCPE.GenByte(7FH); DevCPE.GenByte(2); (* jg end *)
- DevCPE.GenByte(2 + w); GenCExt(8 * rem, src); (* add rem,src *)
- ELSE
- DevCPE.GenByte(72H); DevCPE.GenByte(3); (* jb end *)
- DevCPE.GenByte(7FH); DevCPE.GenByte(1); (* jg end *)
- DevCPE.GenByte(48H); (* dec eax *)
- END
- *)
- END;
- a1.mode := 0; a2.mode := 0
- END GenDiv;
- PROCEDURE GenShiftOp* (op: INTEGER; VAR cnt, dst: Item);
- VAR w: INTEGER;
- BEGIN
- CheckSize(dst.form, w);
- IF cnt.mode = Con THEN
- ASSERT(cnt.offset >= 0); ASSERT(cnt.obj = NIL);
- IF cnt.offset = 1 THEN
- IF (op = 10H) & (dst.mode = Reg) THEN (* shl r *)
- DevCPE.GenByte(w); GenDExt(dst, dst) (* add r, r *)
- ELSE
- DevCPE.GenByte(0D0H + w); GenCExt(op, dst)
- END
- ELSIF cnt.offset > 1 THEN
- DevCPE.GenByte(0C0H + w); GenCExt(op, dst); DevCPE.GenByte(cnt.offset)
- END
- ELSE
- ASSERT((cnt.mode = Reg) & (cnt.reg = CX));
- DevCPE.GenByte(0D2H + w); GenCExt(op, dst)
- END;
- IF (dst.mode # Reg) OR (dst.reg = AX) THEN a1.mode := 0; a2.mode := 0 END
- END GenShiftOp;
-
- PROCEDURE GenBitOp* (op: INTEGER; VAR num, dst: Item);
- BEGIN
- DevCPE.GenByte(0FH);
- IF num.mode = Con THEN
- ASSERT(num.obj = NIL);
- DevCPE.GenByte(0BAH); GenCExt(op, dst); DevCPE.GenByte(num.offset)
- ELSE
- ASSERT((num.mode = Reg) & (num.form = Int32));
- DevCPE.GenByte(83H + op); GenDExt(num, dst)
- END;
- IF (dst.mode # Reg) OR (dst.reg = AX) THEN a1.mode := 0; a2.mode := 0 END
- END GenBitOp;
-
- PROCEDURE GenSetCC* (cc: INTEGER; VAR dst: Item);
- BEGIN
- ASSERT((dst.form = Bool) & (cc >= 0));
- DevCPE.GenByte(0FH); DevCPE.GenByte(90H + cc); GenCExt(0, dst);
- IF (dst.mode # Reg) OR (dst.reg = AX) THEN a1.mode := 0; a2.mode := 0 END
- END GenSetCC;
-
- PROCEDURE GenFLoad* (VAR src: Item);
- VAR mf: INTEGER;
- BEGIN
- IF src.mode = Con THEN (* predefined constants *)
- DevCPE.GenByte(0D9H); DevCPE.GenByte(0E8H + src.offset)
- ELSIF src.form = Int64 THEN
- DevCPE.GenByte(0DFH); GenCExt(28H, src)
- ELSE
- CheckForm(src.form, mf);
- DevCPE.GenByte(0D9H + mf); GenCExt(0, src)
- END
- END GenFLoad;
-
- PROCEDURE GenFStore* (VAR dst: Item; pop: BOOLEAN);
- VAR mf: INTEGER;
- BEGIN
- IF dst.form = Int64 THEN ASSERT(pop);
- DevCPE.GenByte(0DFH); GenCExt(38H, dst); DevCPE.GenByte(9BH) (* wait *)
- ELSE
- CheckForm(dst.form, mf); DevCPE.GenByte(0D9H + mf);
- IF pop THEN GenCExt(18H, dst); DevCPE.GenByte(9BH) (* wait *)
- ELSE GenCExt(10H, dst)
- END
- END;
- a1.mode := 0; a2.mode := 0
- END GenFStore;
-
- PROCEDURE GenFDOp* (op: INTEGER; VAR src: Item);
- VAR mf: INTEGER;
- BEGIN
- IF src.mode = Reg THEN
- DevCPE.GenByte(0DEH); DevCPE.GenByte(0C1H + op)
- ELSE
- CheckForm(src.form, mf);
- DevCPE.GenByte(0D8H + mf); GenCExt(op, src)
- END
- END GenFDOp;
-
- PROCEDURE GenFMOp* (op: INTEGER);
- BEGIN
- DevCPE.GenByte(0D8H + op DIV 256);
- DevCPE.GenByte(op MOD 256);
- IF op = 07E0H THEN a1.mode := 0; a2.mode := 0 END (* FSTSW AX *)
- END GenFMOp;
-
- PROCEDURE GenJump* (cc: INTEGER; VAR L: Label; shortjmp: BOOLEAN);
- BEGIN
- IF cc # ccNever THEN
- IF shortjmp OR (L > 0) & (DevCPE.pc + 2 - L <= 128) & (cc # ccCall) THEN
- IF cc = ccAlways THEN DevCPE.GenByte(0EBH)
- ELSE DevCPE.GenByte(70H + cc)
- END;
- IF L > 0 THEN DevCPE.GenByte(L - DevCPE.pc - 1)
- ELSE ASSERT(L = 0); L := -(DevCPE.pc + short * 1000000H); DevCPE.GenByte(0)
- END
- ELSE
- IF cc = ccAlways THEN DevCPE.GenByte(0E9H)
- ELSIF cc = ccCall THEN DevCPE.GenByte(0E8H)
- ELSE DevCPE.GenByte(0FH); DevCPE.GenByte(80H + cc)
- END;
- IF L > 0 THEN GenDbl(L - DevCPE.pc - 4)
- ELSE GenDbl(-L); L := -(DevCPE.pc - 4 + relative * 1000000H)
- END
- END
- END
- END GenJump;
-
- PROCEDURE GenExtJump* (cc: INTEGER; VAR dst: Item);
- BEGIN
- IF cc = ccAlways THEN DevCPE.GenByte(0E9H)
- ELSE DevCPE.GenByte(0FH); DevCPE.GenByte(80H + cc)
- END;
- dst.offset := 0; GenLinked(dst, relative)
- END GenExtJump;
-
- PROCEDURE GenIndJump* (VAR dst: Item);
- BEGIN
- DevCPE.GenByte(0FFH); GenCExt(20H, dst)
- END GenIndJump;
-
- PROCEDURE GenCaseJump* (VAR src: Item);
- VAR link: DevCPT.LinkList; tab: INTEGER;
- BEGIN
- ASSERT((src.form = Int32) & (src.mode = Reg));
- DevCPE.GenByte(0FFH); DevCPE.GenByte(24H); DevCPE.GenByte(85H + 8 * src.reg);
- tab := (DevCPE.pc + 7) DIV 4 * 4;
- NEW(link); link.offset := tab; link.linkadr := DevCPE.pc;
- link.next := DevCPE.CaseLinks; DevCPE.CaseLinks := link;
- GenDbl(absolute * 1000000H + tab);
- WHILE DevCPE.pc < tab DO DevCPE.GenByte(90H) END;
- END GenCaseJump;
- (*
- PROCEDURE GenCaseJump* (VAR src: Item; num: LONGINT; VAR tab: LONGINT);
- VAR link: DevCPT.LinkList; else, last: LONGINT;
- BEGIN
- ASSERT((src.form = Int32) & (src.mode = Reg));
- DevCPE.GenByte(0FFH); DevCPE.GenByte(24H); DevCPE.GenByte(85H + 8 * src.reg);
- tab := (DevCPE.pc + 7) DIV 4 * 4;
- else := tab + num * 4; last := else - 4;
- NEW(link); link.offset := tab; link.linkadr := DevCPE.pc;
- link.next := CaseLinks; CaseLinks := link;
- GenDbl(absolute * 1000000H + tab);
- WHILE DevCPE.pc < tab DO DevCPE.GenByte(90H) END;
- WHILE DevCPE.pc < last DO GenDbl(table * 1000000H + else) END;
- GenDbl(tableend * 1000000H + else)
- END GenCaseJump;
- *)
- PROCEDURE GenCaseEntry* (VAR L: Label; last: BOOLEAN);
- VAR typ: INTEGER;
- BEGIN
- IF last THEN typ := tableend * 1000000H ELSE typ := table * 1000000H END;
- IF L > 0 THEN GenDbl(L + typ) ELSE GenDbl(-L); L := -(DevCPE.pc - 4 + typ) END
- END GenCaseEntry;
-
- PROCEDURE GenCall* (VAR dst: Item);
- BEGIN
- IF dst.mode IN {LProc, XProc, IProc} THEN
- DevCPE.GenByte(0E8H);
- IF dst.obj.mnolev >= 0 THEN (* local *)
- IF dst.obj.adr > 0 THEN GenDbl(dst.obj.adr - DevCPE.pc - 4)
- ELSE GenDbl(-dst.obj.adr); dst.obj.adr := -(DevCPE.pc - 4 + relative * 1000000H)
- END
- ELSE (* imported *)
- dst.offset := 0; GenLinked(dst, relative)
- END
- ELSE DevCPE.GenByte(0FFH); GenCExt(10H, dst)
- END;
- a1.mode := 0; a2.mode := 0
- END GenCall;
-
- PROCEDURE GenAssert* (cc, no: INTEGER);
- BEGIN
- IF cc # ccAlways THEN
- IF cc >= 0 THEN
- DevCPE.GenByte(70H + cc); (* jcc end *)
- IF no < 0 THEN DevCPE.GenByte(2) ELSE DevCPE.GenByte(3) END
- END;
- IF no < 0 THEN
- DevCPE.GenByte(8DH); DevCPE.GenByte(0E0H - no)
- ELSE
- DevCPE.GenByte(8DH); DevCPE.GenByte(0F0H); DevCPE.GenByte(no)
- END
- END
- END GenAssert;
-
- PROCEDURE GenReturn* (val: INTEGER);
- BEGIN
- IF val = 0 THEN DevCPE.GenByte(0C3H)
- ELSE DevCPE.GenByte(0C2H); GenWord(val)
- END;
- a1.mode := 0; a2.mode := 0
- END GenReturn;
-
- PROCEDURE LoadStr (size: INTEGER);
- BEGIN
- IF size = 2 THEN DevCPE.GenByte(66H) END;
- IF size <= 1 THEN DevCPE.GenByte(0ACH) ELSE DevCPE.GenByte(0ADH) END (* lods *)
- END LoadStr;
-
- PROCEDURE StoreStr (size: INTEGER);
- BEGIN
- IF size = 2 THEN DevCPE.GenByte(66H) END;
- IF size <= 1 THEN DevCPE.GenByte(0AAH) ELSE DevCPE.GenByte(0ABH) END (* stos *)
- END StoreStr;
-
- PROCEDURE ScanStr (size: INTEGER; rep: BOOLEAN);
- BEGIN
- IF size = 2 THEN DevCPE.GenByte(66H) END;
- IF rep THEN DevCPE.GenByte(0F2H) END;
- IF size <= 1 THEN DevCPE.GenByte(0AEH) ELSE DevCPE.GenByte(0AFH) END (* scas *)
- END ScanStr;
-
- PROCEDURE TestNull (size: INTEGER);
- BEGIN
- IF size = 2 THEN DevCPE.GenByte(66H) END;
- IF size <= 1 THEN DevCPE.GenByte(8); DevCPE.GenByte(0C0H); (* or al,al *)
- ELSE DevCPE.GenByte(9); DevCPE.GenByte(0C0H); (* or ax,ax *)
- END
- END TestNull;
-
- PROCEDURE GenBlockMove* (wsize, len: INTEGER); (* len = 0: len in ECX *)
- VAR w: INTEGER;
- BEGIN
- IF len = 0 THEN (* variable size move *)
- IF wsize = 4 THEN w := 1 ELSIF wsize = 2 THEN w := 1; DevCPE.GenByte(66H) ELSE w := 0 END;
- DevCPE.GenByte(0F3H); DevCPE.GenByte(0A4H + w); (* rep:movs *)
- ELSE (* fixed size move *)
- len := len * wsize;
- IF len >= 16 THEN
- DevCPE.GenByte(0B9H); GenDbl(len DIV 4); (* ld ecx,len/4 *)
- DevCPE.GenByte(0F3H); DevCPE.GenByte(0A5H); (* rep:movs long*)
- len := len MOD 4
- END;
- WHILE len >= 4 DO DevCPE.GenByte(0A5H); DEC(len, 4) END; (* movs long *);
- IF len >= 2 THEN DevCPE.GenByte(66H); DevCPE.GenByte(0A5H) END; (* movs word *);
- IF ODD(len) THEN DevCPE.GenByte(0A4H) END; (* movs byte *)
- END
- END GenBlockMove;
-
- PROCEDURE GenBlockStore* (wsize, len: INTEGER); (* len = 0: len in ECX *)
- VAR w: INTEGER;
- BEGIN
- IF len = 0 THEN (* variable size move *)
- IF wsize = 4 THEN w := 1 ELSIF wsize = 2 THEN w := 1; DevCPE.GenByte(66H) ELSE w := 0 END;
- DevCPE.GenByte(0F3H); DevCPE.GenByte(0AAH + w); (* rep:stos *)
- ELSE (* fixed size move *)
- len := len * wsize;
- IF len >= 16 THEN
- DevCPE.GenByte(0B9H); GenDbl(len DIV 4); (* ld ecx,len/4 *)
- DevCPE.GenByte(0F3H); DevCPE.GenByte(0ABH); (* rep:stos long*)
- len := len MOD 4
- END;
- WHILE len >= 4 DO DevCPE.GenByte(0ABH); DEC(len, 4) END; (* stos long *);
- IF len >= 2 THEN DevCPE.GenByte(66H); DevCPE.GenByte(0ABH) END; (* stos word *);
- IF ODD(len) THEN DevCPE.GenByte(0ABH) END; (* stos byte *)
- END
- END GenBlockStore;
-
- PROCEDURE GenBlockComp* (wsize, len: INTEGER); (* len = 0: len in ECX *)
- VAR w: INTEGER;
- BEGIN
- ASSERT(len >= 0);
- IF len > 0 THEN DevCPE.GenByte(0B9H); GenDbl(len) END; (* ld ecx,len *)
- IF wsize = 4 THEN w := 1 ELSIF wsize = 2 THEN w := 1; DevCPE.GenByte(66H) ELSE w := 0 END;
- DevCPE.GenByte(0F3H); DevCPE.GenByte(0A6H + w) (* repe:cmps *)
- END GenBlockComp;
-
- PROCEDURE GenStringMove* (excl: BOOLEAN; wsize, dsize, len: INTEGER);
- (*
- len = 0: len in ECX, len = -1: len undefined; wsize # dsize -> convert; size = 0: opsize = 1, incsize = 2; excl: don't move 0X
- *)
- VAR loop, end: Label;
- BEGIN
- IF len > 0 THEN DevCPE.GenByte(0B9H); GenDbl(len) END; (* ld ecx,len *)
- (* len >= 0: len IN ECX *)
- IF (dsize = 2) & (wsize < 2) THEN DevCPE.GenByte(31H); DevCPE.GenByte(0C0H) END; (* xor eax,eax *)
- loop := NewLbl; end := NewLbl;
- SetLabel(loop); LoadStr(wsize);
- IF wsize = 0 THEN DevCPE.GenByte(46H) END; (* inc esi *)
- IF len < 0 THEN (* no limit *)
- StoreStr(dsize); TestNull(wsize); GenJump(ccNE, loop, TRUE);
- IF excl THEN (* dec edi *)
- DevCPE.GenByte(4FH);
- IF dsize # 1 THEN DevCPE.GenByte(4FH) END
- END;
- ELSE (* cx limit *)
- IF excl THEN TestNull(wsize); GenJump(ccE, end, TRUE); StoreStr(dsize)
- ELSE StoreStr(dsize); TestNull(wsize); GenJump(ccE, end, TRUE)
- END;
- DevCPE.GenByte(49H); (* dec ecx *)
- GenJump(ccNE, loop, TRUE);
- GenAssert(ccNever, copyTrap); (* trap *)
- SetLabel(end)
- END;
- a1.mode := 0; a2.mode := 0
- END GenStringMove;
-
- PROCEDURE GenStringComp* (wsize, dsize: INTEGER);
- (* wsize # dsize -> convert; size = 0: opsize = 1, incsize = 2; *)
- VAR loop, end: Label;
- BEGIN
- IF (dsize = 2) & (wsize < 2) THEN DevCPE.GenByte(31H); DevCPE.GenByte(0C0H); (* xor eax,eax *) END;
- loop := NewLbl; end := NewLbl;
- SetLabel(loop); LoadStr(wsize);
- IF wsize = 0 THEN DevCPE.GenByte(46H) END; (* inc esi *)
- ScanStr(dsize, FALSE); GenJump(ccNE, end, TRUE);
- IF dsize = 0 THEN DevCPE.GenByte(47H) END; (* inc edi *)
- TestNull(wsize); GenJump(ccNE, loop, TRUE);
- SetLabel(end);
- a1.mode := 0; a2.mode := 0
- END GenStringComp;
- PROCEDURE GenStringLength* (wsize, len: INTEGER); (* len = 0: len in ECX, len = -1: len undefined *)
- BEGIN
- DevCPE.GenByte(31H); DevCPE.GenByte(0C0H); (* xor eax,eax *)
- IF len # 0 THEN DevCPE.GenByte(0B9H); GenDbl(len) END; (* ld ecx,len *)
- ScanStr(wsize, TRUE);
- a1.mode := 0; a2.mode := 0
- END GenStringLength;
-
- PROCEDURE GenStrStore* (size: INTEGER);
- VAR w: INTEGER;
- BEGIN
- IF size # 0 THEN
- IF size MOD 4 = 0 THEN w := 1; size := size DIV 4
- ELSIF size MOD 2 = 0 THEN w := 2; size := size DIV 2
- ELSE w := 0
- END;
- DevCPE.GenByte(0B9H); GenDbl(size); (* ld ecx,size *)
- IF w = 2 THEN DevCPE.GenByte(66H); w := 1 END
- ELSE w := 0
- END;
- DevCPE.GenByte(0F3H); DevCPE.GenByte(0AAH + w); (* rep:stos *)
- a1.mode := 0; a2.mode := 0
- END GenStrStore;
- PROCEDURE GenCode* (op: INTEGER);
- BEGIN
- DevCPE.GenByte(op);
- a1.mode := 0; a2.mode := 0
- END GenCode;
- PROCEDURE Init*(opt: SET);
- BEGIN
- DevCPE.Init(processor, opt);
- level := 0;
- NEW(one); one.realval := 1.0; one.intval := DevCPM.ConstNotAlloc;
- END Init;
- PROCEDURE Close*;
- BEGIN
- a1.obj := NIL; a1.typ := NIL; a2.obj := NIL; a2.typ := NIL; one := NIL;
- DevCPE.Close
- END Close;
- BEGIN
- Size[Undef] := 0;
- Size[Byte] := 1;
- Size[Bool] := 1;
- Size[Char8] := 1;
- Size[Int8] := 1;
- Size[Int16] := 2;
- Size[Int32] := 4;
- Size[Real32] := -4;
- Size[Real64] := -8;
- Size[Set] := 4;
- Size[String8] := 0;
- Size[NilTyp] := 4;
- Size[NoTyp] := 0;
- Size[Pointer] := 4;
- Size[ProcTyp] := 4;
- Size[Comp] := 0;
- Size[Char16] := 2;
- Size[Int64] := 8;
- Size[String16] := 0
- END DevCPL486.
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