diff options
Diffstat (limited to 'emu/6502.h')
| -rw-r--r-- | emu/6502.h | 11 |
1 files changed, 9 insertions, 2 deletions
@@ -53,7 +53,7 @@ enum { DEX_IMPL = 0xCA, DEY_IMPL = 0x88, INY_IMPL = 0xC8, - INC_IMPL = 0xE6, + INC_ZERO = 0xE6, ROL_ACC = 0x2A, BNE_REL = 0xD0, BCC_REL = 0x90, @@ -67,6 +67,12 @@ enum { NOP_IMPL = 0xEA }; +enum { + MAX_OPCODE_MNEMONIC_STRING_LENGTH = 20, + MAX_MENMONIC_LENGTH = 5, + NOF_OPCODES = 256 +}; + void cpu_6502_init( cpu_6502_t *cpu, bus_t *bus, bool initialize ); void cpu_6502_reset( cpu_6502_t *cpu ); uint8_t cpu_6502_read_byte( cpu_6502_t *cpu, uint16_t addr ); @@ -78,7 +84,8 @@ uint8_t cpu_6502_pop_byte( cpu_6502_t *cpu ); uint16_t cpu_6502_pop_word( cpu_6502_t *cpu ); void cpu_6502_run( cpu_6502_t *cpu, int steps ); void cpu_6502_step( cpu_6502_t *cpu ); -void cpu_6502_print_state( cpu_6502_t *cpu, uint8_t opcode ); +void cpu_6502_get_opcode_mnemonic( cpu_6502_t *cpu, char *buf, int buflen, uint16_t addr ); +void cpu_6502_print_state( cpu_6502_t *cpu, uint16_t addr ); void cpu_6502_print_memory( cpu_6502_t *cpu, uint16_t base, uint8_t size ); void cpu_6502_print_stack( cpu_6502_t *cpu ); void cpu_6502_print_zerop_page( cpu_6502_t *cpu ); |