40 lines
1 KiB
C
40 lines
1 KiB
C
#define UNKNOWN 0
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#define IS_REG 0x1
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#define IS_ACCU 0x2
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#define IS_DATA 0x4
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#define IS_LABEL 0x8
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#define IS_MEM 0x10
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#define IS_ADDR 0x20
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#define IS_ILB 0x40
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#define AX 0
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#define BX 3
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#define CL 1
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#define SP 4
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#define BP 5
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#define SI 6
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#define DI 7
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#define REG( op) ( op->type & IS_REG)
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#define ACCU( op) ( op->type & IS_REG && op->reg == AX)
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#define REG_CL( op) ( op->type & IS_REG && op->reg == CL)
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#define DATA( op) ( op->type & IS_DATA)
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#define lABEL( op) ( op->type & IS_LABEL)
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#define ILB( op) ( op->type & IS_ILB)
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#define MEM( op) ( op->type & IS_MEM)
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#define ADDR( op) ( op->type & IS_ADDR)
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#define EADDR( op) ( op->type & ( IS_ADDR | IS_MEM | IS_REG))
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#define CONST1( op) ( op->type & IS_DATA && strcmp( "1", op->expr) == 0)
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#define MOVS( op) ( op->type & IS_LABEL&&strcmp("\"movs\"", op->lab) == 0)
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#define IMMEDIATE( op) ( op->type & ( IS_DATA | IS_LABEL))
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#define TRUE 1
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#define FALSE 0
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struct t_operand {
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unsigned type;
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int reg;
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char *expr, *lab, *off;
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};
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extern struct t_operand saved_op, *AX_oper;
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