shrooms-vb-core/util/vbu.h

#ifndef VBU_H_
#define VBU_H_

#ifdef __cplusplus
extern "C" {
#endif

#ifndef VBUAPI
#define VBUAPI extern
#endif

/* Header includes */
#include <vb.h>



/********************************* Constants *********************************/

/* Disassembler options */
#define VBU_0X         0
#define VBU_C          1
#define VBU_DEST_FIRST 1
#define VBU_DEST_LAST  0
#define VBU_DOLLAR     1
#define VBU_E          0
#define VBU_H          2
#define VBU_INSIDE     1
#define VBU_JOINED     0
#define VBU_L          0
#define VBU_LOWER      1
#define VBU_NAMES      1
#define VBU_NONE       0
#define VBU_NUMBER     1
#define VBU_NUMBERS    0
#define VBU_OUTSIDE    0
#define VBU_SPLIT      1
#define VBU_UPPER      0
#define VBU_Z          1



/*********************************** Types ***********************************/

/* Disassembler text options */
typedef struct {               /* Defaults listed first */
    uint8_t bcondNotation;     /* JOINED, SPLIT */
    uint8_t conditionCase;     /* LOWER, UPPER */
    uint8_t conditionCL;       /* L, C */
    uint8_t conditionEZ;       /* Z, E */
    uint8_t conditionNotation; /* NAMES, NUMBERS */
    uint8_t hexCase;           /* UPPER, LOWER */
    uint8_t hexNotation;       /* 0X, H, DOLLAR */
    uint8_t immediateNotation; /* NONE, NUMBER */
    uint8_t memoryNotation;    /* OUTSIDE, INSIDE */
    uint8_t mnemonicCase;      /* UPPER, LOWER */
    uint8_t operandOrder;      /* DEST_LAST, DEST_FIRST */
    uint8_t programCase;       /* LOWER, UPPER */
    uint8_t programNotation;   /* NAMES, NUMBERS */
    uint8_t setfNotation;      /* SPLIT, JOINED */
    uint8_t systemCase;        /* LOWER, UPPER */
    uint8_t systemNotation;    /* NAMES, NUMBERS */
} VBU_DasmConfig;

/* Disassembler output line */
typedef struct {

    /* Parsed */
    uint32_t address;    /* Memory address */
    uint16_t code[4];    /* Instruction bytes */
    uint8_t  codeLength; /* Number of items in code */
    uint8_t  isPC;       /* Set if PC is on this line */

    /* Display text */
    struct {
        char   *address;        /* Memory address */
        char   *code[4];        /* Instruction bytes */
        char   *mnemonic;       /* Instruction mnemonic */
        char   *operands[3];    /* Instruction operands */
        uint8_t operandsLength; /* Number of items in operands */
    } text;

} VBU_DasmLine;



/******************************* API Commands ********************************/

VBUAPI int             vbuCodeSize   (VB *sim, uint32_t address);
VBUAPI VBU_DasmConfig* vbuDasmInit   (VBU_DasmConfig *config);
VBUAPI VBU_DasmLine*   vbuDisassemble(VB *sim, uint32_t address, VBU_DasmConfig *config, unsigned length, int line);



#ifdef __cplusplus
}
#endif

#endif /* VBU_H_ */