94 lines
2.9 KiB
C
94 lines
2.9 KiB
C
/*-------------------------------------------------------------------------
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SDCCgen51.h - header file for code generation for 8051
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Written By - Sandeep Dutta . sandeep.dutta@usa.net (1998)
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This program is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation; either version 2, or (at your option) any
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later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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In other words, you are welcome to use, share and improve this program.
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You are forbidden to forbid anyone else to use, share and improve
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what you give them. Help stamp out software-hoarding!
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-------------------------------------------------------------------------*/
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#ifndef Z80GEN_H
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#define Z80GEN_H
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typedef enum
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{
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AOP_INVALID,
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/* Is a literal */
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AOP_LIT = 1,
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/* Is in a register */
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AOP_REG,
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/* Is in direct space */
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AOP_DIR,
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/* SFR space ($FF00 and above) */
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AOP_SFR,
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/* Is on the stack */
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AOP_STK,
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/* Is an immediate value */
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AOP_IMMD,
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/* Is a string (?) */
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AOP_STR,
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/* Is in the carry register */
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AOP_CRY,
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/* Is pointed to by IY */
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AOP_IY,
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/* Is pointed to by HL */
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AOP_HL,
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/* Is in A */
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AOP_ACC,
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/* Is in H and L */
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AOP_HLREG,
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/* Simple literal. */
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AOP_SIMPLELIT,
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/* Is in the extended stack pointer (IY on the Z80) */
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AOP_EXSTK,
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/* Is referenced by a pointer in a register pair. */
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AOP_PAIRPTR
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}
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AOP_TYPE;
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/* type asmop : a homogenised type for
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all the different spaces an operand can be
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in */
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typedef struct asmop
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{
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AOP_TYPE type;
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short coff; /* current offset */
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short size; /* total size */
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bool code; /* is in Code space */
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bool paged; /* in paged memory */
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bool freed; /* already freed */
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union
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{
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value *aop_lit; /* if literal */
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regs *aop_reg[4]; /* array of registers */
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char *aop_dir; /* if direct */
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char *aop_immd; /* if immediate others are implied */
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int aop_stk; /* stack offset when AOP_STK */
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const char *aop_str[4]; /* just a string array containing the location */
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unsigned long aop_simplelit; /* Just the value. */
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int aop_pairId; /* The pair ID */
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}
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aopu;
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}
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asmop;
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void genZ80Code (iCode *);
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#endif
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