diff options
Diffstat (limited to 'm68k_internal.h')
| -rw-r--r-- | m68k_internal.h | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/m68k_internal.h b/m68k_internal.h new file mode 100644 index 0000000..a556505 --- /dev/null +++ b/m68k_internal.h @@ -0,0 +1,116 @@ +/* + Copyright 2014 Michael Pavone + This file is part of BlastEm. + BlastEm is free software distributed under the terms of the GNU General Public License version 3 or greater. See COPYING for full license text. +*/ +#ifndef M68K_INTERNAL_H_ +#define M68K_INTERNAL_H_ + +#include "68kinst.h" + +//functions implemented in host CPU specfic file +void translate_out_of_bounds(code_info *code); +void areg_to_native(m68k_options *opts, uint8_t reg, uint8_t native_reg); +void dreg_to_native(m68k_options *opts, uint8_t reg, uint8_t native_reg); +void areg_to_native_sx(m68k_options *opts, uint8_t reg, uint8_t native_reg); +void dreg_to_native_sx(m68k_options *opts, uint8_t reg, uint8_t native_reg); +void native_to_areg(m68k_options *opts, uint8_t native_reg, uint8_t reg); +void native_to_dreg(m68k_options *opts, uint8_t native_reg, uint8_t reg); +void ldi_areg(m68k_options *opts, int32_t value, uint8_t reg); +void ldi_native(m68k_options *opts, int32_t value, uint8_t reg); +void addi_native(m68k_options *opts, int32_t value, uint8_t reg); +void subi_native(m68k_options *opts, int32_t value, uint8_t reg); +void push_native(m68k_options *opts, uint8_t reg); +void pop_native(m68k_options *opts, uint8_t reg); +void sign_extend16_native(m68k_options *opts, uint8_t reg); +void addi_areg(m68k_options *opts, int32_t val, uint8_t reg); +void subi_areg(m68k_options *opts, int32_t val, uint8_t reg); +void add_areg_native(m68k_options *opts, uint8_t reg, uint8_t native_reg); +void add_dreg_native(m68k_options *opts, uint8_t reg, uint8_t native_reg); +void calc_areg_displace(m68k_options *opts, m68k_op_info *op, uint8_t native_reg); +void calc_index_disp8(m68k_options *opts, m68k_op_info *op, uint8_t native_reg); +void calc_areg_index_disp8(m68k_options *opts, m68k_op_info *op, uint8_t native_reg); +void nop_fill_or_jmp_next(code_info *code, code_ptr old_end, code_ptr next_inst); + +//functions implemented in m68k_core.c +int8_t native_reg(m68k_op_info * op, m68k_options * opts); +size_t dreg_offset(uint8_t reg); +size_t areg_offset(uint8_t reg); +size_t reg_offset(m68k_op_info *op); +void translate_m68k_op(m68kinst * inst, host_ea * ea, m68k_options * opts, uint8_t dst); +void print_regs_exit(m68k_context * context); +void m68k_read_size(m68k_options *opts, uint8_t size); +void m68k_write_size(m68k_options *opts, uint8_t size); +void push_const(m68k_options *opts, int32_t value); +void jump_m68k_abs(m68k_options * opts, uint32_t address); +void swap_ssp_usp(m68k_options * opts); +code_ptr get_native_address(native_map_slot * native_code_map, uint32_t address); +void map_native_address(m68k_context * context, uint32_t address, code_ptr native_addr, uint8_t size, uint8_t native_size); +uint8_t get_native_inst_size(m68k_options * opts, uint32_t address); +uint8_t m68k_is_terminal(m68kinst * inst); +void m68k_handle_deferred(m68k_context * context); +code_ptr get_native_address_trans(m68k_context * context, uint32_t address); +void * m68k_retranslate_inst(uint32_t address, m68k_context * context); + +//individual instructions +void translate_m68k_bcc(m68k_options * opts, m68kinst * inst); +void translate_m68k_scc(m68k_options * opts, m68kinst * inst); +void translate_m68k_dbcc(m68k_options * opts, m68kinst * inst); +void translate_m68k_rtr(m68k_options *opts, m68kinst * inst); +void translate_m68k_trap(m68k_options *opts, m68kinst *inst); +void translate_m68k_move(m68k_options * opts, m68kinst * inst); +void translate_m68k_movep(m68k_options * opts, m68kinst * inst); +void translate_m68k_arith(m68k_options *opts, m68kinst * inst, uint32_t flag_mask, host_ea *src_op, host_ea *dst_op); +void translate_m68k_unary(m68k_options *opts, m68kinst *inst, uint32_t flag_mask, host_ea *dst_op); +void translate_m68k_invalid(m68k_options *opts, m68kinst *inst); +void translate_m68k_cmp(m68k_options * opts, m68kinst * inst); +void translate_m68k_clr(m68k_options * opts, m68kinst * inst); +void translate_m68k_ext(m68k_options * opts, m68kinst * inst); +void translate_m68k_abcd_sbcd(m68k_options *opts, m68kinst *inst, host_ea *src_op, host_ea *dst_op); +void translate_m68k_sl(m68k_options *opts, m68kinst *inst, host_ea *src_op, host_ea *dst_op); +void translate_m68k_asr(m68k_options *opts, m68kinst *inst, host_ea *src_op, host_ea *dst_op); +void translate_m68k_lsr(m68k_options *opts, m68kinst *inst, host_ea *src_op, host_ea *dst_op); +void translate_m68k_bit(m68k_options *opts, m68kinst *inst, host_ea *src_op, host_ea *dst_op); +void translate_m68k_chk(m68k_options *opts, m68kinst *inst, host_ea *src_op, host_ea *dst_op); +void translate_m68k_div(m68k_options *opts, m68kinst *inst, host_ea *src_op, host_ea *dst_op); +void translate_m68k_exg(m68k_options *opts, m68kinst *inst, host_ea *src_op, host_ea *dst_op); +void translate_m68k_mul(m68k_options *opts, m68kinst *inst, host_ea *src_op, host_ea *dst_op); +void translate_m68k_negx(m68k_options *opts, m68kinst *inst, host_ea *src_op, host_ea *dst_op); +void translate_m68k_rot(m68k_options *opts, m68kinst *inst, host_ea *src_op, host_ea *dst_op); +void translate_m68k_illegal(m68k_options *opts, m68kinst *inst); +void translate_m68k_andi_ori_ccr_sr(m68k_options *opts, m68kinst *inst); +void translate_m68k_eori_ccr_sr(m68k_options *opts, m68kinst *inst); +void translate_m68k_move_ccr_sr(m68k_options *opts, m68kinst *inst, host_ea *src_op, host_ea *dst_op); +void translate_m68k_stop(m68k_options *opts, m68kinst *inst); +void translate_m68k_move_from_sr(m68k_options *opts, m68kinst *inst, host_ea *src_op, host_ea *dst_op); +void translate_m68k_reset(m68k_options *opts, m68kinst *inst); +void translate_m68k_rte(m68k_options *opts, m68kinst *inst); + +//flag update bits +#define X0 0x0001 +#define X1 0x0002 +#define X 0x0004 +#define N0 0x0008 +#define N1 0x0010 +#define N 0x0020 +#define Z0 0x0040 +#define Z1 0x0080 +#define Z 0x0100 +#define V0 0x0200 +#define V1 0x0400 +#define V 0x0800 +#define C0 0x1000 +#define C1 0x2000 +#define C 0x4000 + +#define BUS 4 +#define PREDEC_PENALTY 2 +extern char disasm_buf[1024]; + +m68k_context * sync_components(m68k_context * context, uint32_t address); + +void m68k_invalid(); +void bcd_add(); +void bcd_sub(); + +#endif //M68K_INTERNAL_H_ |