Fix style of comment in minetest.conf.example - minetest.git

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author	Kahrl <kahrl@gmx.net>	2014-12-01 21:47:22 +0100
committer	Kahrl <kahrl@gmx.net>	2014-12-01 21:47:22 +0100
commit	78103e622c45cf59130a98de9d9cec2078a70856 (patch)
tree	8c799a53f762572b97f7dbd20eafd0985b3089e5 /fonts/lucida_sans_360.png
parent	e402aa89840b0f85e35ccf6b530b714b38190655 (diff)
download	minetest-78103e622c45cf59130a98de9d9cec2078a70856.tar.gz minetest-78103e622c45cf59130a98de9d9cec2078a70856.tar.bz2 minetest-78103e622c45cf59130a98de9d9cec2078a70856.zip

Fix style of comment in minetest.conf.example

Diffstat (limited to 'fonts/lucida_sans_360.png')

0 files changed, 0 insertions, 0 deletions

/* ** $Id: lopcodes.h,v 1.125.1.1 2007/12/27 13:02:25 roberto Exp $ ** Opcodes for Lua virtual machine ** See Copyright Notice in lua.h */ #ifndef lopcodes_h #define lopcodes_h #include "llimits.h" /*=========================================================================== We assume that instructions are unsigned numbers. All instructions have an opcode in the first 6 bits. Instructions can have the following fields: `A' : 8 bits `B' : 9 bits `C' : 9 bits `Bx' : 18 bits (`B' and `C' together) `sBx' : signed Bx A signed argument is represented in excess K; that is, the number value is the unsigned value minus K. K is exactly the maximum value for that argument (so that -max is represented by 0, and +max is represented by 2*max), which is half the maximum for the corresponding unsigned argument. ===========================================================================*/ enum OpMode {iABC, iABx, iAsBx}; /* basic instruction format */ /* ** size and position of opcode arguments. */ #define SIZE_C 9 #define SIZE_B 9 #define SIZE_Bx (SIZE_C + SIZE_B) #define SIZE_A 8 #define SIZE_OP 6 #define POS_OP 0 #define POS_A (POS_OP + SIZE_OP) #define POS_C (POS_A + SIZE_A) #define POS_B (POS_C + SIZE_C) #define POS_Bx POS_C /* ** limits for opcode arguments. ** we use (signed) int to manipulate most arguments, ** so they must fit in LUAI_BITSINT-1 bits (-1 for sign) */ #if SIZE_Bx < LUAI_BITSINT-1 #define MAXARG_Bx ((1<<SIZE_Bx)-1) #define MAXARG_sBx (MAXARG_Bx>>1) /* `sBx' is signed */ #else #define MAXARG_Bx MAX_INT #define MAXARG_sBx MAX_INT #endif #define MAXARG_A ((1<<SIZE_A)-1) #define MAXARG_B ((1<<SIZE_B)-1) #define MAXARG_C ((1<<SIZE_C)-1) /* creates a mask with `n' 1 bits at position `p' */ #define MASK1(n,p) ((~((~(Instruction)0)<<n))<<p) /* creates a mask with `n' 0 bits at position `p' */ #define MASK0(n,p) (~MASK1(n,p)) /* ** the following macros help to manipulate instructions */ #define GET_OPCODE(i) (cast(OpCode, ((i)>>POS_OP) & MASK1(SIZE_OP,0))) #define SET_OPCODE(i,o) ((i) = (((i)&MASK0(SIZE_OP,POS_OP)) | \ ((cast(Instruction, o)<<POS_OP)&MASK1(SIZE_OP,POS_OP)))) #define GETARG_A(i) (cast(int, ((i)>>POS_A) & MASK1(SIZE_A,0))) #define SETARG_A(i,u) ((i) = (((i)&MASK0(SIZE_A,POS_A)) | \ ((cast(Instruction, u)<<POS_A)&MASK1(SIZE_A,POS_A)))) #define GETARG_B(i) (cast(int, ((i)>>POS_B) & MASK1(SIZE_B,0))) #define SETARG_B(i,b) ((i) = (((i)&MASK0(SIZE_B,POS_B)) | \ ((cast(Instruction, b)<<POS_B)&MASK1(SIZE_B,POS_B)))) #define GETARG_C(i) (cast(int, ((i)>>POS_C) & MASK1(SIZE_C,0))) #define SETARG_C(i,b) ((i) = (((i)&MASK0(SIZE_C,POS_C)) | \ ((cast(Instruction, b)<<POS_C)&MASK1(SIZE_C,POS_C)))) #define GETARG_Bx(i) (cast(int, ((i)>>POS_Bx) & MASK1(SIZE_Bx,0))) #define SETARG_Bx(i,b) ((i) = (((i)&MASK0(SIZE_Bx,POS_Bx)) | \ ((cast(Instruction, b)<<POS_Bx)&MASK1(SIZE_Bx,POS_Bx)))) #define GETARG_sBx(i) (GETARG_Bx(i)-MAXARG_sBx) #define SETARG_sBx(i,b) SETARG_Bx((i),cast(unsigned int, (b)+MAXARG_sBx)) #define CREATE_ABC(o,a,b,c) ((cast(Instruction, o)<<POS_OP) \ | (cast(Instruction, a)<<POS_A) \ | (cast(Instruction, b)<<POS_B) \ | (cast(Instruction, c)<<POS_C)) #define CREATE_ABx(o,a,bc) ((cast(Instruction, o)<<POS_OP) \ | (cast(Instruction, a)<<POS_A) \ | (cast(Instruction, bc)<<POS_Bx)) /* ** Macros to operate RK indices */ /* this bit 1 means constant (0 means register) */ #define BITRK (1 << (SIZE_B - 1)) /* test whether value is a constant */ #define ISK(x) ((x) & BITRK) /* gets the index of the constant */ #define INDEXK(r) ((int)(r) & ~BITRK) #define MAXINDEXRK (BITRK - 1) /* code a constant index as a RK value */ #define RKASK(x) ((x) | BITRK) /* ** invalid register that fits in 8 bits */ #define NO_REG MAXARG_A /* ** R(x) - register ** Kst(x) - constant (in constant table) ** RK(x) == if ISK(x) then Kst(INDEXK(x)) else R(x) */ /* ** grep "ORDER OP" if you change these enums */ typedef enum { /*---------------------------------------------------------------------- name args description ------------------------------------------------------------------------*/ OP_MOVE,/* A B R(A) := R(B) */ OP_LOADK,/* A Bx R(A) := Kst(Bx) */ OP_LOADBOOL,/* A B C R(A) := (Bool)B; if (C) pc++ */ OP_LOADNIL,/* A B R(A) := ... := R(B) := nil */ OP_GETUPVAL,/* A B R(A) := UpValue[B] */ OP_GETGLOBAL,/* A Bx R(A) := Gbl[Kst(Bx)] */ OP_GETTABLE,/* A B C R(A) := R(B)[RK(C)] */ OP_SETGLOBAL,/* A Bx Gbl[Kst(Bx)] := R(A) */ OP_SETUPVAL,/* A B UpValue[B] := R(A) */ OP_SETTABLE,/* A B C R(A)[RK(B)] := RK(C) */ OP_NEWTABLE,/* A B C R(A) := {} (size = B,C) */ OP_SELF,/* A B C R(A+1) := R(B); R(A) := R(B)[RK(C)] */ OP_ADD,/* A B C R(A) := RK(B) + RK(C) */ OP_SUB,/* A B C R(A) := RK(B) - RK(C) */ OP_MUL,/* A B C R(A) := RK(B) * RK(C) */ OP_DIV,/* A B C R(A) := RK(B) / RK(C) */ OP_MOD,/* A B C R(A) := RK(B) % RK(C) */ OP_POW,/* A B C R(A) := RK(B) ^ RK(C) */ OP_UNM,/* A B R(A) := -R(B) */ OP_NOT,/* A B R(A) := not R(B) */ OP_LEN,/* A B R(A) := length of R(B) */ OP_CONCAT,/* A B C R(A) := R(B).. ... ..R(C) */ OP_JMP,/* sBx pc+=sBx */ OP_EQ,/* A B C if ((RK(B) == RK(C)) ~= A) then pc++ */ OP_LT,/* A B C if ((RK(B) < RK(C)) ~= A) then pc++ */ OP_LE,/* A B C if ((RK(B) <= RK(C)) ~= A) then pc++ */ OP_TEST,/* A C if not (R(A) <=> C) then pc++ */ OP_TESTSET,/* A B C if (R(B) <=> C) then R(A) := R(B) else pc++ */ OP_CALL,/* A B C R(A), ... ,R(A+C-2) := R(A)(R(A+1), ... ,R(A+B-1)) */ OP_TAILCALL,/* A B C return R(A)(R(A+1), ... ,R(A+B-1)) */ OP_RETURN,/* A B return R(A), ... ,R(A+B-2) (see note) */ OP_FORLOOP,/* A sBx R(A)+=R(A+2); if R(A) <?= R(A+1) then { pc+=sBx; R(A+3)=R(A) }*/


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