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Don't sync the 68K clock to the VDP clock unless the 68K had to wait for the VDP. This unfortunately breaks the direct color DMA demos, but should be more correct overall.
author Mike Pavone <pavone@retrodev.com>
date Sun, 19 May 2013 13:47:47 -0700
parents 467bfa17004a
children d0cacb4ade0b
line wrap: on
line source

#ifndef GEN_X86_H_
#define GEN_X86_H_

#include <stdint.h>

enum {
	RAX = 0,
	RCX,
	RDX,
	RBX,
	RSP,
	RBP,
	RSI,
	RDI,
	AH,
	CH,
	DH,
	BH,
	R8,
	R9,
	R10,
	R11,
	R12,
	R13,
	R14,
	R15
} x86_regs;

enum {
	CC_O = 0,
	CC_NO,
	CC_C,
	CC_NC,
	CC_Z,
	CC_NZ,
	CC_BE,
	CC_A,
	CC_S,
	CC_NS,
	CC_P,
	CC_NP,
	CC_L,
	CC_GE,
	CC_LE,
	CC_G
} x86_cc;

enum {
	SZ_B = 0,
	SZ_W,
	SZ_D,
	SZ_Q
} x86_size;

enum {
	MODE_REG_INDIRECT = 0,
	MODE_REG_INDEXED = 4,
	MODE_REG_DISPLACE8 = 0x40,
	MODE_REG_INDEXED_DISPLACE8 = 0x44,
	MODE_REG_DISPLACE32 = 0x80,
	MODE_REG_INDEXED_DIPSLACE32 = 0x84,
	MODE_REG_DIRECT = 0xC0,
//"phony" mode
	MODE_IMMED = 0xFF
} x86_modes;


uint8_t * rol_ir(uint8_t * out, uint8_t val, uint8_t dst, uint8_t size);
uint8_t * ror_ir(uint8_t * out, uint8_t val, uint8_t dst, uint8_t size);
uint8_t * rcl_ir(uint8_t * out, uint8_t val, uint8_t dst, uint8_t size);
uint8_t * rcr_ir(uint8_t * out, uint8_t val, uint8_t dst, uint8_t size);
uint8_t * shl_ir(uint8_t * out, uint8_t val, uint8_t dst, uint8_t size);
uint8_t * shr_ir(uint8_t * out, uint8_t val, uint8_t dst, uint8_t size);
uint8_t * sar_ir(uint8_t * out, uint8_t val, uint8_t dst, uint8_t size);
uint8_t * rol_irdisp8(uint8_t * out, uint8_t val, uint8_t dst_base, int8_t disp, uint8_t size);
uint8_t * ror_irdisp8(uint8_t * out, uint8_t val, uint8_t dst_base, int8_t disp, uint8_t size);
uint8_t * rcl_irdisp8(uint8_t * out, uint8_t val, uint8_t dst_base, int8_t disp, uint8_t size);
uint8_t * rcr_irdisp8(uint8_t * out, uint8_t val, uint8_t dst_base, int8_t disp, uint8_t size);
uint8_t * shl_irdisp8(uint8_t * out, uint8_t val, uint8_t dst_base, int8_t disp, uint8_t size);
uint8_t * shr_irdisp8(uint8_t * out, uint8_t val, uint8_t dst_base, int8_t disp, uint8_t size);
uint8_t * sar_irdisp8(uint8_t * out, uint8_t val, uint8_t dst_base, int8_t disp, uint8_t size);
uint8_t * rol_clr(uint8_t * out, uint8_t dst, uint8_t size);
uint8_t * ror_clr(uint8_t * out, uint8_t dst, uint8_t size);
uint8_t * rcl_clr(uint8_t * out, uint8_t dst, uint8_t size);
uint8_t * rcr_clr(uint8_t * out, uint8_t dst, uint8_t size);
uint8_t * shl_clr(uint8_t * out, uint8_t dst, uint8_t size);
uint8_t * shr_clr(uint8_t * out, uint8_t dst, uint8_t size);
uint8_t * sar_clr(uint8_t * out, uint8_t dst, uint8_t size);
uint8_t * rol_clrdisp8(uint8_t * out, uint8_t dst_base, int8_t disp, uint8_t size);
uint8_t * ror_clrdisp8(uint8_t * out, uint8_t dst_base, int8_t disp, uint8_t size);
uint8_t * rcl_clrdisp8(uint8_t * out, uint8_t dst_base, int8_t disp, uint8_t size);
uint8_t * rcr_clrdisp8(uint8_t * out, uint8_t dst_base, int8_t disp, uint8_t size);
uint8_t * shl_clrdisp8(uint8_t * out, uint8_t dst_base, int8_t disp, uint8_t size);
uint8_t * shr_clrdisp8(uint8_t * out, uint8_t dst_base, int8_t disp, uint8_t size);
uint8_t * sar_clrdisp8(uint8_t * out, uint8_t dst_base, int8_t disp, uint8_t size);
uint8_t * add_rr(uint8_t * out, uint8_t src, uint8_t dst, uint8_t size);
uint8_t * adc_rr(uint8_t * out, uint8_t src, uint8_t dst, uint8_t size);
uint8_t * or_rr(uint8_t * out, uint8_t src, uint8_t dst, uint8_t size);
uint8_t * xor_rr(uint8_t * out, uint8_t src, uint8_t dst, uint8_t size);
uint8_t * and_rr(uint8_t * out, uint8_t src, uint8_t dst, uint8_t size);
uint8_t * sub_rr(uint8_t * out, uint8_t src, uint8_t dst, uint8_t size);
uint8_t * sbb_rr(uint8_t * out, uint8_t src, uint8_t dst, uint8_t size);
uint8_t * cmp_rr(uint8_t * out, uint8_t src, uint8_t dst, uint8_t size);
uint8_t * add_ir(uint8_t * out, int32_t val, uint8_t dst, uint8_t size);
uint8_t * adc_ir(uint8_t * out, int32_t val, uint8_t dst, uint8_t size);
uint8_t * or_ir(uint8_t * out, int32_t val, uint8_t dst, uint8_t size);
uint8_t * xor_ir(uint8_t * out, int32_t val, uint8_t dst, uint8_t size);
uint8_t * and_ir(uint8_t * out, int32_t val, uint8_t dst, uint8_t size);
uint8_t * sub_ir(uint8_t * out, int32_t val, uint8_t dst, uint8_t size);
uint8_t * sbb_ir(uint8_t * out, int32_t val, uint8_t dst, uint8_t size);
uint8_t * cmp_ir(uint8_t * out, int32_t val, uint8_t dst, uint8_t size);
uint8_t * add_irdisp8(uint8_t * out, int32_t val, uint8_t dst_base, int8_t disp, uint8_t size);
uint8_t * adc_irdisp8(uint8_t * out, int32_t val, uint8_t dst_base, int8_t disp, uint8_t size);
uint8_t * or_irdisp8(uint8_t * out, int32_t val, uint8_t dst_base, int8_t disp, uint8_t size);
uint8_t * xor_irdisp8(uint8_t * out, int32_t val, uint8_t dst_base, int8_t disp, uint8_t size);
uint8_t * and_irdisp8(uint8_t * out, int32_t val, uint8_t dst_base, int8_t disp, uint8_t size);
uint8_t * sub_irdisp8(uint8_t * out, int32_t val, uint8_t dst_base, int8_t disp, uint8_t size);
uint8_t * sbb_irdisp8(uint8_t * out, int32_t val, uint8_t dst_base, int8_t disp, uint8_t size);
uint8_t * cmp_irdisp8(uint8_t * out, int32_t val, uint8_t dst_base, int8_t disp, uint8_t size);
uint8_t * add_rrdisp8(uint8_t * out, uint8_t src, uint8_t dst_base, int8_t disp, uint8_t size);
uint8_t * adc_rrdisp8(uint8_t * out, uint8_t src, uint8_t dst_base, int8_t disp, uint8_t size);
uint8_t * add_rdisp8r(uint8_t * out, uint8_t src_base, int8_t disp, uint8_t dst, uint8_t size);
uint8_t * adc_rdisp8r(uint8_t * out, uint8_t src_base, int8_t disp, uint8_t dst, uint8_t size);
uint8_t * or_rrdisp8(uint8_t * out, uint8_t src, uint8_t dst_base, int8_t disp, uint8_t size);
uint8_t * or_rdisp8r(uint8_t * out, uint8_t src_base, int8_t disp, uint8_t dst, uint8_t size);
uint8_t * xor_rrdisp8(uint8_t * out, uint8_t src, uint8_t dst_base, int8_t disp, uint8_t size);
uint8_t * xor_rdisp8r(uint8_t * out, uint8_t src_base, int8_t disp, uint8_t dst, uint8_t size);
uint8_t * and_rrdisp8(uint8_t * out, uint8_t src, uint8_t dst_base, int8_t disp, uint8_t size);
uint8_t * and_rdisp8r(uint8_t * out, uint8_t src_base, int8_t disp, uint8_t dst, uint8_t size);
uint8_t * sub_rrdisp8(uint8_t * out, uint8_t src, uint8_t dst_base, int8_t disp, uint8_t size);
uint8_t * sub_rdisp8r(uint8_t * out, uint8_t src_base, int8_t disp, uint8_t dst, uint8_t size);
uint8_t * sbb_rrdisp8(uint8_t * out, uint8_t src, uint8_t dst_base, int8_t disp, uint8_t size);
uint8_t * sbb_rdisp8r(uint8_t * out, uint8_t src_base, int8_t disp, uint8_t dst, uint8_t size);
uint8_t * cmp_rrdisp8(uint8_t * out, uint8_t src, uint8_t dst_base, int8_t disp, uint8_t size);
uint8_t * cmp_rdisp8r(uint8_t * out, uint8_t src_base, int8_t disp, uint8_t dst, uint8_t size);
uint8_t * imul_rr(uint8_t * out, uint8_t src, uint8_t dst, uint8_t size);
uint8_t * imul_rrdisp8(uint8_t * out, uint8_t src, uint8_t dst_base, int8_t disp, uint8_t size);
uint8_t * imul_rdisp8r(uint8_t * out, uint8_t src_base, int8_t disp, uint8_t dst, uint8_t size);
uint8_t * not_r(uint8_t * out, uint8_t dst, uint8_t size);
uint8_t * neg_r(uint8_t * out, uint8_t dst, uint8_t size);
uint8_t * not_rdisp8(uint8_t * out, uint8_t dst_base, int8_t disp, uint8_t size);
uint8_t * neg_rdisp8(uint8_t * out, uint8_t dst_base, int8_t disp, uint8_t size);
uint8_t * mul_r(uint8_t * out, uint8_t dst, uint8_t size);
uint8_t * imul_r(uint8_t * out, uint8_t dst, uint8_t size);
uint8_t * div_r(uint8_t * out, uint8_t dst, uint8_t size);
uint8_t * idiv_r(uint8_t * out, uint8_t dst, uint8_t size);
uint8_t * mul_rdisp8(uint8_t * out, uint8_t dst_base, int8_t disp, uint8_t size);
uint8_t * imul_rdisp8(uint8_t * out, uint8_t dst_base, int8_t disp, uint8_t size);
uint8_t * div_rdisp8(uint8_t * out, uint8_t dst_base, int8_t disp, uint8_t size);
uint8_t * idiv_rdisp8(uint8_t * out, uint8_t dst_base, int8_t disp, uint8_t size);
uint8_t * mov_rr(uint8_t * out, uint8_t src, uint8_t dst, uint8_t size);
uint8_t * mov_rrdisp8(uint8_t * out, uint8_t src, uint8_t dst_base, int8_t disp, uint8_t size);
uint8_t * mov_rdisp8r(uint8_t * out, uint8_t src_base, int8_t disp, uint8_t dst, uint8_t size);
uint8_t * mov_rrdisp32(uint8_t * out, uint8_t src, uint8_t dst_base, int32_t disp, uint8_t size);
uint8_t * mov_rdisp32r(uint8_t * out, uint8_t src_base, int32_t disp, uint8_t dst, uint8_t size);
uint8_t * mov_rrindex(uint8_t * out, uint8_t src, uint8_t dst_base, uint8_t dst_index, uint8_t scale, uint8_t size);
uint8_t * mov_rindexr(uint8_t * out, uint8_t src_base, uint8_t src_index, uint8_t scale, uint8_t dst, uint8_t size);
uint8_t * mov_rrind(uint8_t * out, uint8_t src, uint8_t dst, uint8_t size);
uint8_t * mov_rindr(uint8_t * out, uint8_t src, uint8_t dst, uint8_t size);
uint8_t * mov_ir(uint8_t * out, int64_t val, uint8_t dst, uint8_t size);
uint8_t * mov_irdisp8(uint8_t * out, int32_t val, uint8_t dst, int8_t disp, uint8_t size);
uint8_t * mov_irind(uint8_t * out, int32_t val, uint8_t dst, uint8_t size);
uint8_t * movsx_rr(uint8_t * out, uint8_t src, uint8_t dst, uint8_t src_size, uint8_t size);
uint8_t * movsx_rdisp8r(uint8_t * out, uint8_t src, int8_t disp, uint8_t dst, uint8_t src_size, uint8_t size);
uint8_t * movzx_rr(uint8_t * out, uint8_t src, uint8_t dst, uint8_t src_size, uint8_t size);
uint8_t * movzx_rdisp8r(uint8_t * out, uint8_t src, int8_t disp, uint8_t dst, uint8_t src_size, uint8_t size);
uint8_t * xchg_rr(uint8_t * out, uint8_t src, uint8_t dst, uint8_t size);
uint8_t * pushf(uint8_t * out);
uint8_t * popf(uint8_t * out);
uint8_t * push_r(uint8_t * out, uint8_t reg);
uint8_t * pop_r(uint8_t * out, uint8_t reg);
uint8_t * setcc_r(uint8_t * out, uint8_t cc, uint8_t dst);
uint8_t * setcc_rind(uint8_t * out, uint8_t cc, uint8_t dst);
uint8_t * setcc_rdisp8(uint8_t * out, uint8_t cc, uint8_t dst, int8_t disp);
uint8_t * bt_rr(uint8_t * out, uint8_t src, uint8_t dst, uint8_t size);
uint8_t * bt_rrdisp8(uint8_t * out, uint8_t src, uint8_t dst_base, int8_t dst_disp, uint8_t size);
uint8_t * bt_rrdisp32(uint8_t * out, uint8_t src, uint8_t dst_base, int32_t dst_disp, uint8_t size);
uint8_t * bt_ir(uint8_t * out, uint8_t val, uint8_t dst, uint8_t size);
uint8_t * bt_irdisp8(uint8_t * out, uint8_t val, uint8_t dst_base, int8_t dst_disp, uint8_t size);
uint8_t * bts_rr(uint8_t * out, uint8_t src, uint8_t dst, uint8_t size);
uint8_t * bts_rrdisp8(uint8_t * out, uint8_t src, uint8_t dst_base, int8_t dst_disp, uint8_t size);
uint8_t * bts_ir(uint8_t * out, uint8_t val, uint8_t dst, uint8_t size);
uint8_t * bts_irdisp8(uint8_t * out, uint8_t val, uint8_t dst_base, int8_t dst_disp, uint8_t size);
uint8_t * btr_rr(uint8_t * out, uint8_t src, uint8_t dst, uint8_t size);
uint8_t * btr_rrdisp8(uint8_t * out, uint8_t src, uint8_t dst_base, int8_t dst_disp, uint8_t size);
uint8_t * btr_ir(uint8_t * out, uint8_t val, uint8_t dst, uint8_t size);
uint8_t * btr_irdisp8(uint8_t * out, uint8_t val, uint8_t dst_base, int8_t dst_disp, uint8_t size);
uint8_t * btc_rr(uint8_t * out, uint8_t src, uint8_t dst, uint8_t size);
uint8_t * btc_rrdisp8(uint8_t * out, uint8_t src, uint8_t dst_base, int8_t dst_disp, uint8_t size);
uint8_t * btc_ir(uint8_t * out, uint8_t val, uint8_t dst, uint8_t size);
uint8_t * btc_irdisp8(uint8_t * out, uint8_t val, uint8_t dst_base, int8_t dst_disp, uint8_t size);
uint8_t * jcc(uint8_t * out, uint8_t cc, uint8_t *dest);
uint8_t * jmp(uint8_t * out, uint8_t *dest);
uint8_t * jmp_r(uint8_t * out, uint8_t dst);
uint8_t * call(uint8_t * out, uint8_t * fun);
uint8_t * call_r(uint8_t * out, uint8_t dst);
uint8_t * retn(uint8_t * out);
uint8_t * cdq(uint8_t * out);
uint8_t * loop(uint8_t * out, uint8_t * dst);

#endif //GEN_X86_H_