tbl6502.c

这个是延伸mame的在wince平台下的游戏模拟器的代码

OP(88) {		  M6502_ICount -= 2;		 DEY;		  } 
OP(a8) {		  M6502_ICount -= 2;		 TAY;		  } 
OP(c8) {		  M6502_ICount -= 2;		 INY;		  } 
OP(e8) {		  M6502_ICount -= 2;		 INX;		  } 

OP(18) {		  M6502_ICount -= 2;		 CLC;		  } 
OP(38) {		  M6502_ICount -= 2;		 SEC;		  } 
OP(58) {		  M6502_ICount -= 2;		 CLI;		  } 
OP(78) {		  M6502_ICount -= 2;		 SEI;		  } 
OP(98) {		  M6502_ICount -= 2;		 TYA;		  } 
OP(b8) {		  M6502_ICount -= 2;		 CLV;		  } 
OP(d8) {		  M6502_ICount -= 2;		 CLD;		  } 
OP(f8) {		  M6502_ICount -= 2;		 SED;		  } 

OP(09) { int tmp; M6502_ICount -= 2; RD_IMM; ORA;		  } 
OP(29) { int tmp; M6502_ICount -= 2; RD_IMM; AND;		  } 
OP(49) { int tmp; M6502_ICount -= 2; RD_IMM; EOR;		  } 
OP(69) { int tmp; M6502_ICount -= 2; RD_IMM; ADC;		  } 
OP(89) {		  M6502_ICount -= 2;		 ILL;		  }  
OP(a9) { int tmp; M6502_ICount -= 2; RD_IMM; LDA;		  } 
OP(c9) { int tmp; M6502_ICount -= 2; RD_IMM; CMP;		  } 
OP(e9) { int tmp; M6502_ICount -= 2; RD_IMM; SBC;		  } 

OP(19) { int tmp; M6502_ICount -= 4; RD_ABY; ORA;		  } 
OP(39) { int tmp; M6502_ICount -= 4; RD_ABY; AND;		  } 
OP(59) { int tmp; M6502_ICount -= 4; RD_ABY; EOR;		  } 
OP(79) { int tmp; M6502_ICount -= 4; RD_ABY; ADC;		  } 
OP(99) { int tmp; M6502_ICount -= 5;		 STA; WR_ABY; } 
OP(b9) { int tmp; M6502_ICount -= 4; RD_ABY; LDA;		  } 
OP(d9) { int tmp; M6502_ICount -= 4; RD_ABY; CMP;		  } 
OP(f9) { int tmp; M6502_ICount -= 4; RD_ABY; SBC;		  } 

OP(0a) { int tmp; M6502_ICount -= 2; RD_ACC; ASL; WB_ACC; } 
OP(2a) { int tmp; M6502_ICount -= 2; RD_ACC; ROL; WB_ACC; } 
OP(4a) { int tmp; M6502_ICount -= 2; RD_ACC; LSR; WB_ACC; } 
OP(6a) { int tmp; M6502_ICount -= 2; RD_ACC; ROR; WB_ACC; } 
OP(8a) {		  M6502_ICount -= 2;		 TXA;		  } 
OP(aa) {		  M6502_ICount -= 2;		 TAX;		  } 
OP(ca) {		  M6502_ICount -= 2;		 DEX;		  } 
OP(ea) {		  M6502_ICount -= 2;		 NOP;		  } 

OP(1a) {		  M6502_ICount -= 2;		 ILL;		  }  
OP(3a) {		  M6502_ICount -= 2;		 ILL;		  }  
OP(5a) {		  M6502_ICount -= 2;		 ILL;		  }  
OP(7a) {		  M6502_ICount -= 2;		 ILL;		  }  
OP(9a) {		  M6502_ICount -= 2;		 TXS;		  } 
OP(ba) {		  M6502_ICount -= 2;		 TSX;		  } 
OP(da) {		  M6502_ICount -= 2;		 ILL;		  }  
OP(fa) {		  M6502_ICount -= 2;		 ILL;		  }  

OP(0b) {		  M6502_ICount -= 2;		 ILL;		  }  
OP(2b) {		  M6502_ICount -= 2;		 ILL;		  }  
OP(4b) {		  M6502_ICount -= 2;		 ILL;		  }  
OP(6b) {		  M6502_ICount -= 2;		 ILL;		  }  
OP(8b) {		  M6502_ICount -= 2;		 ILL;		  }  
OP(ab) {		  M6502_ICount -= 2;		 ILL;		  }  
OP(cb) {		  M6502_ICount -= 2;		 ILL;		  }  
OP(eb) {		  M6502_ICount -= 2;		 ILL;		  }  

OP(1b) {		  M6502_ICount -= 2;		 ILL;		  }  
OP(3b) {		  M6502_ICount -= 2;		 ILL;		  }  
OP(5b) {		  M6502_ICount -= 2;		 ILL;		  }  
OP(7b) {		  M6502_ICount -= 2;		 ILL;		  }  
OP(9b) {		  M6502_ICount -= 2;		 ILL;		  }  
OP(bb) {		  M6502_ICount -= 2;		 ILL;		  }  
OP(db) {		  M6502_ICount -= 2;		 ILL;		  }  
OP(fb) {		  M6502_ICount -= 2;		 ILL;		  }  

OP(0c) {		  M6502_ICount -= 2;		 ILL;		  }  
OP(2c) { int tmp; M6502_ICount -= 4; RD_ABS; BIT;		  } 
OP(4c) {		  M6502_ICount -= 3; EA_ABS; JMP;		  } 
OP(6c) { int tmp; M6502_ICount -= 5; EA_IND; JMP;		  } 
OP(8c) { int tmp; M6502_ICount -= 4;		 STY; WR_ABS; } 
OP(ac) { int tmp; M6502_ICount -= 4; RD_ABS; LDY;		  } 
OP(cc) { int tmp; M6502_ICount -= 4; RD_ABS; CPY;		  } 
OP(ec) { int tmp; M6502_ICount -= 4; RD_ABS; CPX;		  } 

OP(1c) {		  M6502_ICount -= 2;		 ILL;		  }  
OP(3c) {		  M6502_ICount -= 2;		 ILL;		  }  
OP(5c) {		  M6502_ICount -= 2;		 ILL;		  }  
OP(7c) {		  M6502_ICount -= 2;		 ILL;		  }  
OP(9c) {		  M6502_ICount -= 2;		 ILL;		  }  
OP(bc) { int tmp; M6502_ICount -= 4; RD_ABX; LDY;		  } 
OP(dc) {		  M6502_ICount -= 2;		 ILL;		  }  
OP(fc) {		  M6502_ICount -= 2;		 ILL;		  }  

OP(0d) { int tmp; M6502_ICount -= 4; RD_ABS; ORA;		  } 
OP(2d) { int tmp; M6502_ICount -= 4; RD_ABS; AND;		  } 
OP(4d) { int tmp; M6502_ICount -= 4; RD_ABS; EOR;		  } 
OP(6d) { int tmp; M6502_ICount -= 4; RD_ABS; ADC;		  } 
OP(8d) { int tmp; M6502_ICount -= 4;		 STA; WR_ABS; } 
OP(ad) { int tmp; M6502_ICount -= 4; RD_ABS; LDA;		  } 
OP(cd) { int tmp; M6502_ICount -= 4; RD_ABS; CMP;		  } 
OP(ed) { int tmp; M6502_ICount -= 4; RD_ABS; SBC;		  } 

OP(1d) { int tmp; M6502_ICount -= 4; RD_ABX; ORA;		  } 
OP(3d) { int tmp; M6502_ICount -= 4; RD_ABX; AND;		  } 
OP(5d) { int tmp; M6502_ICount -= 4; RD_ABX; EOR;		  } 
OP(7d) { int tmp; M6502_ICount -= 4; RD_ABX; ADC;		  } 
OP(9d) { int tmp; M6502_ICount -= 5;		 STA; WR_ABX; } 
OP(bd) { int tmp; M6502_ICount -= 4; RD_ABX; LDA;		  } 
OP(dd) { int tmp; M6502_ICount -= 4; RD_ABX; CMP;		  } 
OP(fd) { int tmp; M6502_ICount -= 4; RD_ABX; SBC;		  } 

OP(0e) { int tmp; M6502_ICount -= 6; RD_ABS; ASL; WB_EA;  } 
OP(2e) { int tmp; M6502_ICount -= 6; RD_ABS; ROL; WB_EA;  } 
OP(4e) { int tmp; M6502_ICount -= 6; RD_ABS; LSR; WB_EA;  } 
OP(6e) { int tmp; M6502_ICount -= 6; RD_ABS; ROR; WB_EA;  } 
OP(8e) { int tmp; M6502_ICount -= 5;		 STX; WR_ABS; } 
OP(ae) { int tmp; M6502_ICount -= 4; RD_ABS; LDX;		  } 
OP(ce) { int tmp; M6502_ICount -= 6; RD_ABS; DEC; WB_EA;  } 
OP(ee) { int tmp; M6502_ICount -= 6; RD_ABS; INC; WB_EA;  } 

OP(1e) { int tmp; M6502_ICount -= 7; RD_ABX; ASL; WB_EA;  } 
OP(3e) { int tmp; M6502_ICount -= 7; RD_ABX; ROL; WB_EA;  } 
OP(5e) { int tmp; M6502_ICount -= 7; RD_ABX; LSR; WB_EA;  } 
OP(7e) { int tmp; M6502_ICount -= 7; RD_ABX; ROR; WB_EA;  } 
OP(9e) {		  M6502_ICount -= 2;		 ILL;		  }  
OP(be) { int tmp; M6502_ICount -= 4; RD_ABY; LDX;		  } 
OP(de) { int tmp; M6502_ICount -= 7; RD_ABX; DEC; WB_EA;  } 
OP(fe) { int tmp; M6502_ICount -= 7; RD_ABX; INC; WB_EA;  } 

OP(0f) {		  M6502_ICount -= 2;		 ILL;		  }  
OP(2f) {		  M6502_ICount -= 2;		 ILL;		  }  
OP(4f) {		  M6502_ICount -= 2;		 ILL;		  }  
OP(6f) {		  M6502_ICount -= 2;		 ILL;		  }  
OP(8f) {		  M6502_ICount -= 2;		 ILL;		  }  
OP(af) {		  M6502_ICount -= 2;		 ILL;		  }  
OP(cf) {		  M6502_ICount -= 2;		 ILL;		  }  
OP(ef) {		  M6502_ICount -= 2;		 ILL;		  }  

OP(1f) {		  M6502_ICount -= 2;		 ILL;		  }  
OP(3f) {		  M6502_ICount -= 2;		 ILL;		  }  
OP(5f) {		  M6502_ICount -= 2;		 ILL;		  }  
OP(7f) {		  M6502_ICount -= 2;		 ILL;		  }  
OP(9f) {		  M6502_ICount -= 2;		 ILL;		  }  
OP(bf) {		  M6502_ICount -= 2;		 ILL;		  }  
OP(df) {		  M6502_ICount -= 2;		 ILL;		  }  
OP(ff) {		  M6502_ICount -= 2;		 ILL;		  }  

/* and here's the array of function pointers */

static void (*insn6502[0x100])(void) = {
	m6502_00,m6502_01,m6502_02,m6502_03,m6502_04,m6502_05,m6502_06,m6502_07,
	m6502_08,m6502_09,m6502_0a,m6502_0b,m6502_0c,m6502_0d,m6502_0e,m6502_0f,
	m6502_10,m6502_11,m6502_12,m6502_13,m6502_14,m6502_15,m6502_16,m6502_17,
	m6502_18,m6502_19,m6502_1a,m6502_1b,m6502_1c,m6502_1d,m6502_1e,m6502_1f,
	m6502_20,m6502_21,m6502_22,m6502_23,m6502_24,m6502_25,m6502_26,m6502_27,
	m6502_28,m6502_29,m6502_2a,m6502_2b,m6502_2c,m6502_2d,m6502_2e,m6502_2f,
	m6502_30,m6502_31,m6502_32,m6502_33,m6502_34,m6502_35,m6502_36,m6502_37,
	m6502_38,m6502_39,m6502_3a,m6502_3b,m6502_3c,m6502_3d,m6502_3e,m6502_3f,
	m6502_40,m6502_41,m6502_42,m6502_43,m6502_44,m6502_45,m6502_46,m6502_47,
	m6502_48,m6502_49,m6502_4a,m6502_4b,m6502_4c,m6502_4d,m6502_4e,m6502_4f,
	m6502_50,m6502_51,m6502_52,m6502_53,m6502_54,m6502_55,m6502_56,m6502_57,
	m6502_58,m6502_59,m6502_5a,m6502_5b,m6502_5c,m6502_5d,m6502_5e,m6502_5f,
	m6502_60,m6502_61,m6502_62,m6502_63,m6502_64,m6502_65,m6502_66,m6502_67,
	m6502_68,m6502_69,m6502_6a,m6502_6b,m6502_6c,m6502_6d,m6502_6e,m6502_6f,
	m6502_70,m6502_71,m6502_72,m6502_73,m6502_74,m6502_75,m6502_76,m6502_77,
	m6502_78,m6502_79,m6502_7a,m6502_7b,m6502_7c,m6502_7d,m6502_7e,m6502_7f,
	m6502_80,m6502_81,m6502_82,m6502_83,m6502_84,m6502_85,m6502_86,m6502_87,
	m6502_88,m6502_89,m6502_8a,m6502_8b,m6502_8c,m6502_8d,m6502_8e,m6502_8f,
	m6502_90,m6502_91,m6502_92,m6502_93,m6502_94,m6502_95,m6502_96,m6502_97,
	m6502_98,m6502_99,m6502_9a,m6502_9b,m6502_9c,m6502_9d,m6502_9e,m6502_9f,
	m6502_a0,m6502_a1,m6502_a2,m6502_a3,m6502_a4,m6502_a5,m6502_a6,m6502_a7,
	m6502_a8,m6502_a9,m6502_aa,m6502_ab,m6502_ac,m6502_ad,m6502_ae,m6502_af,
	m6502_b0,m6502_b1,m6502_b2,m6502_b3,m6502_b4,m6502_b5,m6502_b6,m6502_b7,
	m6502_b8,m6502_b9,m6502_ba,m6502_bb,m6502_bc,m6502_bd,m6502_be,m6502_bf,
	m6502_c0,m6502_c1,m6502_c2,m6502_c3,m6502_c4,m6502_c5,m6502_c6,m6502_c7,
	m6502_c8,m6502_c9,m6502_ca,m6502_cb,m6502_cc,m6502_cd,m6502_ce,m6502_cf,
	m6502_d0,m6502_d1,m6502_d2,m6502_d3,m6502_d4,m6502_d5,m6502_d6,m6502_d7,
	m6502_d8,m6502_d9,m6502_da,m6502_db,m6502_dc,m6502_dd,m6502_de,m6502_df,
	m6502_e0,m6502_e1,m6502_e2,m6502_e3,m6502_e4,m6502_e5,m6502_e6,m6502_e7,
	m6502_e8,m6502_e9,m6502_ea,m6502_eb,m6502_ec,m6502_ed,m6502_ee,m6502_ef,
	m6502_f0,m6502_f1,m6502_f2,m6502_f3,m6502_f4,m6502_f5,m6502_f6,m6502_f7,
	m6502_f8,m6502_f9,m6502_fa,m6502_fb,m6502_fc,m6502_fd,m6502_fe,m6502_ff
};