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Annotation of hatari/src/hd6301_cpu.h, revision 1.1.1.1

1.1       root        1: /*
                      2:   Hatari - hd6301_cpu.h
                      3:   Copyright Laurent Sallafranque 2009
                      4: 
                      5:   This file is distributed under the GNU Public License, version 2 or at
                      6:   your option any later version. Read the file gpl.txt for details.
                      7: 
                      8:   hd6301_cpu.h - this is the cpu core emulation for hd 6301 processor
                      9: */
                     10: 
                     11: #ifndef HD6301_CPU_H
                     12: #define HD6301_CPU_H
                     13: 
                     14: #ifdef __cplusplus
                     15: extern "C" {
                     16: #endif
                     17: 
                     18: /* Defines */
                     19: #define hd6301_REG_CCR_C       0x00
                     20: #define hd6301_REG_CCR_V       0x01
                     21: #define hd6301_REG_CCR_Z       0x02
                     22: #define hd6301_REG_CCR_N       0x03
                     23: #define hd6301_REG_CCR_I       0x04
                     24: #define hd6301_REG_CCR_H       0x05
                     25: 
                     26: struct hd6301_opcode_t {
                     27:        Uint8   op_value;               /* Opcode value */
                     28:        Uint8   op_bytes;               /* Total opcode bytes */
                     29:        void    (*op_func)(void);       /* Function that "executes" opcode */
                     30:        Uint8   op_n_cycles;            /* Number of clock cycles */
                     31:        const char *op_mnemonic;        /* Printout format string */
                     32:        Uint8   op_disasm;              /* For instructions disasm */
                     33: };
                     34: 
                     35: /* Functions */
                     36: extern void hd6301_init_cpu(void);
                     37: extern void hd6301_execute_one_instruction(void);
                     38: 
                     39: /* HF6301 Disasm and debug code */
                     40: extern void hd6301_disasm(void);
                     41: extern void hd6301_display_registers(void);
                     42: 
                     43: 
                     44: #ifdef __cplusplus
                     45: }
                     46: #endif
                     47: 
                     48: #endif /* HD6301_CPU_H */

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