Press n or j to go to the next uncovered block, b, p or k for the previous block.
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527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 | 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 897x 897x 708x 708x 533x 897x 897x 14x 897x 897x 226x 226x 897x 897x 4x 4x 897x 897x 4x 4x 897x 897x 159x 159x 897x 897x 205x 205x 897x 897x 208x 60x 208x 897x 897x 897x 774x 774x 774x 774x 774x 1x 1x 1x 1x 774x 60x 60x 60x 60x 774x 2x 2x 2x 2x 774x 1x 1x 1x 1x 774x 57x 57x 57x 57x 774x 1x 1x 1x 1x 774x 8x 8x 8x 774x 8x 8x 8x 774x 1x 1x 1x 774x 2x 2x 2x 774x 2x 2x 2x 774x 1x 1x 1x 774x 774x 897x 897x 897x 897x 897x 897x 897x 897x 897x 274x 27x 27x 27x 274x 896x 896x 897x 474x 474x 3x 3x 474x 893x 893x 893x 897x 744x 38x 38x 744x 209x 209x 209x 209x 209x 209x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 5x 8x 8x 8x 201x 209x 8x 8x 8x 3x 1x 1x 2x 2x 2x 2x 2x 3x 3x 5x 5x 5x 5x 5x 5x 5x 5x 5x 5x 5x 5x 5x 5x 5x 5x 5x 5x 5x 5x 209x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 1x 1x 209x 9x 9x 9x 9x 9x 9x 9x 9x 9x 9x 9x 9x 9x 9x 1x 1x 180x 180x 209x 8x 8x 8x 8x 209x 172x 172x 172x 13x 13x 13x 13x 13x 13x 13x 172x 159x 159x 159x 12x 12x 12x 12x 12x 12x 12x 159x 147x 147x 141x 141x 141x 141x 141x 20x 141x 121x 121x 141x 147x 6x 6x 6x 147x 159x 172x 706x 496x 496x 496x 496x 496x 496x 496x 496x 496x 496x 6x 1x 1x 1x 1x 6x 1x 1x 1x 1x 6x 1x 1x 1x 1x 6x 1x 1x 1x 1x 6x 1x 1x 1x 1x 1x 1x 1x 496x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 496x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 496x 9x 9x 9x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 6x 8x 8x 8x 8x 9x 1x 1x 465x 496x 8x 7x 7x 7x 7x 7x 7x 7x 1x 1x 1x 1x 1x 1x 496x 8x 7x 7x 7x 7x 7x 7x 7x 1x 1x 1x 1x 1x 1x 449x 496x 156x 156x 156x 156x 1x 1x 1x 1x 156x 1x 1x 1x 1x 156x 1x 1x 1x 1x 156x 1x 1x 1x 1x 152x 152x 156x 1x 1x 156x 1x 1x 156x 1x 1x 156x 1x 1x 156x 1x 1x 156x 1x 1x 146x 146x 146x 146x 146x 146x 146x 146x 156x 156x 156x 156x 144x 144x 144x 144x 156x 102x 102x 102x 102x 102x 156x 1x 1x 156x 1x 1x 156x 3x 3x 156x 1x 1x 156x 1x 1x 156x 2x 2x 135x 135x 135x 135x 156x 135x 156x 1x 1x 1x 134x 156x 11x 11x 11x 11x 11x 134x 134x 156x 21x 21x 21x 21x 21x 21x 9x 9x 9x 9x 21x 6x 6x 6x 6x 3x 3x 3x 6x 6x 21x 6x 6x 6x 6x 3x 3x 3x 6x 6x 21x 21x 3x 3x 3x 21x 21x 134x 134x 156x 156x 48x 48x 48x 156x 36x 2x 2x 2x 2x 36x 34x 34x 34x 34x 36x 36x 134x 134x 134x 134x 293x 496x 240x 240x 240x 240x 240x 240x 240x 240x 240x 293x 496x 33x 33x 33x 33x 33x 33x 33x 33x 30x 33x 3x 3x 3x 3x 33x 496x 4x 4x 4x 4x 4x 4x 496x 4x 4x 4x 4x 4x 4x 293x 496x 12x 12x 12x 12x 12x 496x 496x 496x 512x 744x 744x 339x 339x 339x 339x 744x 170x 170x 509x 509x 509x 509x 509x 744x 98x 98x 98x 744x 82x 62x 62x 62x 62x 62x 82x 20x 20x 20x 20x 82x 509x 744x 8x 8x 8x 509x 509x 509x 509x 509x 149x 897x 1x | export const Z80 = {
endian:false,
cpu:"z80",
ext:"z80",
set: {
// 0 nebo 1 parametr
// 0 1 2 3 4 5 6 7 8 9 10 11 12 13
// 0 / /A,r/ A,N / R8 / N / R16 / R16A / POP COND / IMM / RST / REL / ABS / (HL)
// ADC: [ -1, -1, 0x88, 0xce, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1],
DEC: [ -1, -1, -1, -1, 0x05, -1, 0x0b, -1, -1, -1, -1, -1, -1, -1],
INC: [ -1, -1, -1, -1, 0x04, -1, 0x03, -1, -1, -1, -1, -1, -1, -1],
AND: [ -1, -1, -1, -1, 0xA0, 0xe6, -1, -1, -1, -1, -1, -1, -1, -1],
OR: [ -1, -1, -1, -1, 0xb0, 0xf6, -1, -1, -1, -1, -1, -1, -1, -1],
XOR: [ -1, -1, -1, -1, 0xa8, 0xee, -1, -1, -1, -1, -1, -1, -1, -1],
SUB: [ -1, -1, -1, -1, 0x90, 0xd6, -1, -1, -1, -1, -1, -1, -1, -1],
CP: [ -1, -1, -1, -1, 0xb8, 0xfe, -1, -1, -1, -1, -1, -1, -1, -1],
SLA: [ -1, -1, -1, -1,0xcb20, -1, -1, -1, -1, -1, -1, -1, -1, -1],
SRA: [ -1, -1, -1, -1,0xcb28, -1, -1, -1, -1, -1, -1, -1, -1, -1],
SLL: [ -1, -1, -1, -1,0xcb30, -1, -1, -1, -1, -1, -1, -1, -1, -1],
SRL: [ -1, -1, -1, -1,0xcb38, -1, -1, -1, -1, -1, -1, -1, -1, -1],
RR: [ -1, -1, -1, -1,0xcb18, -1, -1, -1, -1, -1, -1, -1, -1, -1],
RL: [ -1, -1, -1, -1,0xcb10, -1, -1, -1, -1, -1, -1, -1, -1, -1],
RRC: [ -1, -1, -1, -1,0xcb08, -1, -1, -1, -1, -1, -1, -1, -1, -1],
RLC: [ -1, -1, -1, -1,0xcb00, -1, -1, -1, -1, -1, -1, -1, -1, -1],
POP: [ -1, -1, -1, -1, -1, -1, -1, 0xc1, -1, -1, -1, -1, -1, -1],
PUSH:[ -1, -1, -1, -1, -1, -1, -1, 0xc5, -1, -1, -1, -1, -1, -1],
RET: [ 0xc9, -1, -1, -1, -1, -1, -1, -1, 0xc0, -1, -1, -1, -1, -1],
IM: [ -1, -1, -1, -1, -1, -1, -1, -1, -1,0xed46, -1, -1, -1, -1],
RST: [ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 0xc7, -1, -1, -1],
CALL:[ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 0xcd, -1],
JP: [ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 0xc3, 0xe9],
DJNZ:[ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 0x10, -1, -1],
JR: [ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 0x18, -1, -1],
NOP: [ 0, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1],
CCF: [ 0x3f, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1],
CPD: [0xeda9, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1],
CPDR:[0xedb9, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1],
CPI: [0xeda1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1],
CPIR:[0xedb1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1],
CPL: [ 0x2f, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1],
DAA: [ 0x27, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1],
DI: [ 0xf3, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1],
EI: [ 0xfb, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1],
EXX: [ 0xd9, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1],
IND: [0xedaA, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1],
INDR:[0xedbA, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1],
INI: [0xeda2, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1],
INIR:[0xedb2, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1],
LDD: [0xeda8, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1],
LDDR:[0xedb8, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1],
LDI: [0xeda0, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1],
LDIR:[0xedb0, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1],
OUTD:[0xedab, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1],
OTDR:[0xedbb, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1],
OUTI:[0xeda3, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1],
OTIR:[0xedb3, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1],
HALT:[ 0x76, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1],
NEG: [0xed44, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1],
RETI:[0xed4d, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1],
RETN:[0xed45, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1],
RLA: [ 0x17, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1],
RLCA:[ 0x07, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1],
RLD: [0xed6F, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1],
RRA: [ 0x1f, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1],
RRCA:[ 0x0f, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1],
RRD: [0xed67, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1],
SCF: [ 0x37, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1],
},
set2: {
// two params
// 0 1 2 3 4 5
// a,r8 / a,n/HL,r16/XX,r16/ b,r8/ c,ABS/
EX: [ 0],
LD: [ 0],
ADC: [ 0x88, 0xce,0xed4a],
ADD: [ 0x80, 0xc6, 0x09, 0x09],
SBC: [ 0x98, 0xde,0xed42],
BIT: [ -1, -1, -1, -1,0xcb40],
RES: [ -1, -1, -1, -1,0xcb80],
SET: [ -1, -1, -1, -1,0xcbc0],
CAL2:[ -1, -1, -1, -1, -1, 0xc4],
JP2: [ -1, -1, -1, -1, -1, 0xc2],
JR2: [ -1, -1, -1, -1, -1, 0x20],
IN: [0xed40, 0xdb, -1, -1, -1, -1],
OUT: [0xed41, 0xd3, -1, -1, -1, -1]
},
//r16 = BC, DE, HL, SP
//r16a = BC, DE, HL, AF
R8: {
DEC:3,INC:3
},
R16: {
DEC:4,INC:4, POP:4, PUSH:4
},
/*
*/
parseOpcode: function(s, vars, Parser) {
var R8 = function(reg) {
var n = ["B","C","D","E","H","L","~","A"].indexOf(reg.toUpperCase());
if (reg.toUpperCase()=="(HL)") return 6;
return n;
};
var R8F = function(reg) {
return ["B","C","D","E","H","L","F","A"].indexOf(reg.toUpperCase());
};
var R16 = function(reg) {
var n = ["BC","DE","HL","SP"].indexOf(reg.toUpperCase());
return n;
};
var R16IX = function(reg) {
var n = ["BC","DE","IX","SP"].indexOf(reg.toUpperCase());
return n;
};
var R16IY = function(reg) {
var n = ["BC","DE","IY","SP"].indexOf(reg.toUpperCase());
return n;
};
var R16A = function(reg) {
var n = ["BC","DE","HL","AF"].indexOf(reg.toUpperCase());
return n;
};
var COND = function(reg) {
var n = ["NZ","Z","NC","C","PO","PE","P","M"].indexOf(reg.toUpperCase());
return n;
};
var LINK = function(par) {
if (par[0]=='(' && par[par.length-1]==')') {
return par.substr(1,par.length-2);
} else return null;
};
var indexes = function(par) {
var disp=null;
var prefix=null;
var idx = par.replace(/\s/g,"").substr(0,4).toUpperCase();
if (idx=='(IX)') {
disp = "0";
prefix = 0xdd;
par="(HL)";
}
if (idx=='(IX+') {
disp = par.substr(4,par.length-5);
prefix = 0xdd;
par="(HL)";
}
if (idx=='(IX-') {
disp = "-"+par.substr(4,par.length-5);
prefix = 0xdd;
par="(HL)";
}
if (idx=='(IY)') {
disp = "0";
prefix = 0xfd;
par="(HL)";
}
if (idx=='(IY+') {
disp = par.substr(4,par.length-5);
prefix = 0xfd;
par="(HL)";
}
if (idx=='(IY-') {
disp = "-"+par.substr(4,par.length-5);
prefix = 0xfd;
par="(HL)";
}
if (idx=='IX') {
prefix = 0xdd;
par = "HL";
}
if (idx=='IY') {
prefix = 0xFd;
par = "HL";
}
if (idx=='IXL') {
prefix = 0xdd;
par = "L";
}
if (idx=='IXH') {
prefix = 0xdd;
par = "H";
}
if (idx=='IYL') {
prefix = 0xFd;
par = "L";
}
if (idx=='IYH') {
prefix = 0xFd;
par = "H";
}
//console.log(idx,par,disp,prefix)
return [par,disp,prefix];
};
var ax = Z80.set[s.opcode];
var ax2 = Z80.set2[s.opcode];
var op=-1, bytes=1,lens=[];
var prefix=null, disp = null;
var reg, param8, mode, idx;
if (ax && !ax2) {
if ((s.params?s.params.length:0) > 1) {
if (s.opcode!=="JP" && s.opcode!=="JR" && s.opcode!=="CALL")
throw "One parameter needed";
}
}
if (!ax && ax2) {
ax = ax2;
if ((s.params?s.params.length:0) !== 2) {
throw "Two parameters needed";
}
}
s.wia = 1; //Where is address (for relocation)
if (ax) {
if (!s.params || s.params.length===0) {
//no parameters
op = ax[0];
} else if(s.params.length==1) {
var par = s.params[0];
idx = indexes(par);
par = idx[0];
disp= idx[1];
prefix = idx[2];
if (ax[11]>0) {
//rel jump
s.bytes = 2;
s.lens = [];
s.lens[0] = ax[11];
s.lens[1] = function(vars){
var lab = Parser.evaluate(par,vars);
var pc = vars._PC+2;
var disp = lab - pc;
if (disp>127) throw "Target is out of relative jump reach";
if (disp<-128) throw "Target is out of relative jump reach";
if (disp<0) {disp = 256+disp;}
return disp;
};
return s;
}
if (ax[12]>0) {
//abs jump
s.lens = [];
if (par.toUpperCase() =='(HL)' && ax[13]>0) {
if (!idx[2]) {
s.bytes = 1;
s.lens[0] = ax[13];}
else {
s.bytes = 2;
s.lens[0] = idx[2];
s.lens[1] = ax[13];
}
return s;
}
/*
if (par.toUpperCase() =='(IX)' && ax[13]>0) {
s.bytes = 2;
s.lens[0] = 0xdd;
s.lens[1] = ax[13];
return s;
}
if (par.toUpperCase() =='(IY)' && ax[13]>0) {
s.bytes = 2;
s.lens[0] = 0xfd;
s.lens[1] = ax[13];
return s;
}
*/
s.bytes = 3;
s.lens[0] = ax[12];
s.lens[1] = function(vars){return Parser.evaluate(par,vars); };
s.lens[2] = null;
return s;
}
if (ax[9]>0) {
//IM x
s.bytes = 2;
s.lens = [];
s.lens[0] = 0xed;
mode = Parser.evaluate(par);
switch (mode){
case 0: s.lens[1] = 0x46; return s;
case 1: s.lens[1] = 0x56; return s;
case 2: s.lens[1] = 0x5e; return s;
}
throw "Invalid interrupt mode";
}
if (ax[10]>0) {
//RST x
s.bytes = 1;
s.lens = [];
mode = Parser.evaluate(par);
switch (mode){
case 0x00: s.lens[0] = 0xc7; return s;
case 0x08: s.lens[0] = 0xcf; return s;
case 0x10: s.lens[0] = 0xd7; return s;
case 0x18: s.lens[0] = 0xdf; return s;
case 0x20: s.lens[0] = 0xe7; return s;
case 0x28: s.lens[0] = 0xef; return s;
case 0x30: s.lens[0] = 0xf7; return s;
case 0x38: s.lens[0] = 0xff; return s;
}
throw "Invalid RST";
}
reg = COND(par);
if (reg >= 0 && ax[8]>0){
op = ax[8];
if (op>0) {
op += reg<<3;
}
} else {
reg = R16(par);
if (reg>=0 && ax[6]>=0) {
//instr R16
op = ax[6];
if (op>0) {
if (Z80.R16[s.opcode]) {
op+=reg<<Z80.R16[s.opcode];
} else {
op+=reg;
}
}
} else {
reg = R16A(par);
if (reg>=0 && ax[7]>=0) {
//instr R16
op = ax[7];
if (op>0) {
if (Z80.R16[s.opcode]) {
op+=reg<<Z80.R16[s.opcode];
} else {
op+=reg;
}
}
} else {
reg = R8(par);
if (reg >=0 && ax[4]>0) {
// INSTR R8
op = ax[4];
//console.log(par, op, reg, s)
if (op>0) {
if (Z80.R8[s.opcode]) {
op+=reg<<Z80.R8[s.opcode];
} else {
op+=reg;
}
}
} else {
op = ax[5];
param8 = function(vars){return Parser.evaluate(par,vars);};
}
}
}
}
} else if(s.params.length==2) {
var par1 = s.params[0];
var par2 = s.params[1];
//var idx;
//console.log(s,ax)
//speciality
//instrukce EX
if (s.opcode == 'EX') {
if (par1.toUpperCase()=="DE" && par2.toUpperCase()=="HL") {
s.lens = [0xeb];
s.bytes = 1;
return s;
}
if (par1.toUpperCase()=="AF" && par2.toUpperCase()=="AF'") {
s.lens = [0x08];
s.bytes = 1;
return s;
}
if (par1.toUpperCase()=="(SP)" && par2.toUpperCase()=="HL") {
s.lens = [0xe3];
s.bytes = 1;
return s;
}
if (par1.toUpperCase()=="(SP)" && par2.toUpperCase()=="IX") {
s.lens = [0xdd,0xe3];
s.bytes = 2;
return s;
}
if (par1.toUpperCase()=="(SP)" && par2.toUpperCase()=="IY") {
s.lens = [0xfd,0xe3];
s.bytes = 2;
return s;
}
return null;
}
if (s.opcode == 'CALL') {
ax = Z80.set2.CAL2;
reg = COND(par1);
if (reg >= 0 && ax[5]>0){
op = ax[5];
if (op>0) {
op += reg<<3;
s.bytes = 3;
s.lens=[];
s.lens[0] = op;
s.lens[1] = function(vars){return Parser.evaluate(par2,vars); };
s.lens[2] = null;
return s;
}
} else if (reg<0) {
throw "Invalid CALL COND code: "+reg;
}
return null;
}
if (s.opcode == 'JP') {
ax = Z80.set2.JP2;
reg = COND(par1);
if (reg >= 0 && ax[5]>0){
op = ax[5];
if (op>0) {
op += reg<<3;
s.bytes = 3;
s.lens=[];
s.lens[0] = op;
s.lens[1] = function(vars){return Parser.evaluate(par2,vars); };
s.lens[2] = null;
return s;
}
} else if (reg<0) {
throw "Invalid JP COND code: "+reg;
}
return null;
}
if (s.opcode == 'JR') {
ax = Z80.set2.JR2;
reg = COND(par1);
if (reg >= 0 && reg <4 && ax[5]>0){
op = ax[5];
if (op>0) {
op += reg<<3;
s.bytes = 2;
s.lens = [];
s.lens[0] = op;
s.lens[1] = function(vars){
var lab = Parser.evaluate(par2,vars);
var pc = vars._PC+2;
var disp = lab - pc;
if (disp>127) throw "Target is out of relative jump reach";
if (disp<-128) throw "Target is out of relative jump reach";
if (disp<0) {disp = 256+disp;}
return disp;
};
return s;
}
} else if (reg<0) {
throw "Invalid JR COND code: "+reg;
}
return null;
}
if (s.opcode == 'IN') {
if (par2.toUpperCase()=='(C)') {
reg = R8F(par1);
if (reg>=0 && ax[0]) {
s.lens=[0xed, 0x40+(reg<<3)];
s.bytes = 2;
return s;
}
}
if (par1.toUpperCase()=='A') {
s.lens = [ax[1]];
s.lens[1] = function(vars){return Parser.evaluate(par2,vars);};
s.bytes = 2;
return s;
}
return null;
}
if (s.opcode == 'OUT') {
if (par1.toUpperCase()=='(C)') {
reg = R8F(par2);
if (reg>=0 && ax[0]) {
s.lens=[0xed, 0x41+(reg<<3)];
s.bytes = 2;
return s;
}
}
if (par2.toUpperCase()=='A') {
s.lens = [ax[1]];
s.lens[1] = function(vars){return Parser.evaluate(par1,vars);};
s.bytes = 2;
return s;
}
return null;
}
if (s.opcode == 'LD') {
//MASAKR
//
if (par1.toUpperCase()=='A' && par2.toUpperCase()=='R') {
s.bytes=2;
s.lens=[0xed, 0x5f];
return s;
}
if (par1.toUpperCase()=='A' && par2.toUpperCase()=='I') {
s.bytes=2;
s.lens=[0xed, 0x57];
return s;
}
if (par1.toUpperCase()=='R' && par2.toUpperCase()=='A') {
s.bytes=2;
s.lens=[0xed, 0x4f];
return s;
}
if (par1.toUpperCase()=='I' && par2.toUpperCase()=='A') {
s.bytes=2;
s.lens=[0xed, 0x47];
return s;
}
//Syntaktic sugar
if (par1.toUpperCase()=='HL' && par2.toUpperCase()=='DE') {
s.bytes=2;s.lens=[0x62, 0x6b];return s;
}
if (par1.toUpperCase()=='HL' && par2.toUpperCase()=='BC') {
s.bytes=2;s.lens=[0x60, 0x69];return s;
}
if (par1.toUpperCase()=='DE' && par2.toUpperCase()=='HL') {
s.bytes=2;s.lens=[0x54, 0x5d];return s;
}
if (par1.toUpperCase()=='DE' && par2.toUpperCase()=='BC') {
s.bytes=2;s.lens=[0x50, 0x59];return s;
}
if (par1.toUpperCase()=='BC' && par2.toUpperCase()=='HL') {
s.bytes=2;s.lens=[0x44, 0x4d];return s;
}
if (par1.toUpperCase()=='BC' && par2.toUpperCase()=='DE') {
s.bytes=2;s.lens=[0x42, 0x4b];return s;
}
var idx1 = indexes(par1);
par1 = idx1[0];
disp= idx1[1];
prefix = idx1[2];
var idx2 = indexes(par2);
par2 = idx2[0];
if (idx2[1]&&disp) {throw "Invalid parameters - two indexed";}
if (idx2[1]) disp= idx2[1];
if (idx2[2]&&prefix) {throw "Invalid parameters - two prefixed";}
if (idx2[2]) prefix = idx2[2];
var reg1 = R8(par1);
var reg2 = R8(par2);
lens=[];
//console.log(reg1,reg2,par1,par2,disp,prefix);
if (reg1 >=0 && reg2>=0) {
//ld r8,r8
s.bytes=1;
lens[0] = 0x40 + (reg1<<3) + reg2;
}
if (par1.toUpperCase()=='A' && par2.toUpperCase()=='(BC)') {
s.bytes=1;s.lens=[0x0a];return s;
}
if (par1.toUpperCase()=='A' && par2.toUpperCase()=='(DE)') {
s.bytes=1;s.lens=[0x1a];return s;
}
if (par1.toUpperCase()=='A' && LINK(par2) && s.bytes===0) {
s.bytes=3;s.lens=[0x3a,function(vars){return Parser.evaluate(LINK(par2),vars); },null];return s;
}
if (par1.toUpperCase()=='(BC)' && par2.toUpperCase()=='A') {
s.bytes=1;s.lens=[0x02];return s;
}
if (par1.toUpperCase()=='(DE)' && par2.toUpperCase()=='A') {
s.bytes=1;s.lens=[0x12];return s;
}
if (LINK(par1) && par2.toUpperCase()=='A' && s.bytes===0) {
s.bytes=3;s.lens=[0x32,function(vars){return Parser.evaluate(LINK(par1),vars); },null];return s;
}
// FIX 6.4.2015 - LD A,(0123)
//
if (reg1==7 && reg2<0 && par2[0]=='(') {
s.bytes=3;
lens[0] = 0x3a;
lens[1] = function(vars){return Parser.evaluate(par2,vars);};
lens[2] = null;
return s;
}
if (reg1 >= 0 && reg2<0 && par2[0]=='(') {
//ld c,(1234)
throw "Invalid combination: general register and memory";
}
if (reg1 >= 0 && reg2<0) {
//ld r8,n
s.bytes=2;
lens[0] = 0x06 + (reg1<<3);
lens[1] = function(vars){return Parser.evaluate(par2,vars);};
}
//16bit
if (s.bytes===0) {
reg1 = R16(par1);
reg2 = R16(par2);
var link1 = LINK(par1);
var link2 = LINK(par2);
//console.log(reg1,reg2,par1,par2,disp,prefix, link1, link2);
if (reg1>=0 && !link2) {
s.bytes = 3;
lens = [0x01 + (reg1<<4), function(vars){return Parser.evaluate(par2,vars);}, null];
//return s;
}
if (reg1>=0 && link2) {
s.bytes = ([4,4,3,4])[reg1];
lens = [0xed, 0x4b + (reg1<<4), function(vars){return Parser.evaluate(link2,vars);}, null];
s.wia = 2; //Where is address (for relocation)
if (s.bytes==3) {
s.wia = 1; //Where is address (for relocation)
lens = [0x2a, function(vars){return Parser.evaluate(link2,vars);}, null];
}
//return s;
}
if (link1 && reg2>=0) {
s.bytes = ([4,4,3,4])[reg2];
s.wia = 2; //Where is address (for relocation)
lens = [0xed, 0x43 + (reg2<<4), function(vars){return Parser.evaluate(link1,vars);}, null];
if (s.bytes==3) {
s.wia = 1; //Where is address (for relocation)
lens = [0x22, function(vars){return Parser.evaluate(link1,vars);}, null];
}
//return s;
}
if (reg1==3 && reg2==2) {
s.bytes = 1;
lens = [0xf9];
}
}
//kontrola
if (!lens.length) return null;
if (prefix) {
lens.unshift(prefix);
s.bytes++;
}
if (disp) {
if (s.bytes==3) {
lens[3] = lens[2];
lens[2] = function(vars){var d = Parser.evaluate(disp,vars); if (d>127 || d<-128) throw "Index out of range ("+d+")"; return d;};
s.bytes = 4;
}
if (s.bytes==2) {
//lens[2] = Parser.evaluate(disp,vars);
lens[2] = function(vars){var d = Parser.evaluate(disp,vars); if (d>127 || d<-128) throw "Index out of range ("+d+")"; return d;};
s.bytes = 3;
}
}
s.lens = lens;
//console.log(s);
return s;
}
if (ax[4]>=0) {
//BIT etc.
var bit = parseInt(par1,10);
idx = indexes(par2);
par2 = idx[0];
disp= idx[1];
prefix = idx[2];
reg = R8(par2);
op = ax[4]+(8*bit)+reg;
}
if (par1.toUpperCase()=='A') {
//INS A,xxx
idx = indexes(par2);
par2 = idx[0];
disp= idx[1];
prefix = idx[2];
//A,r8
if ((reg = R8(par2))>=0) {
op = ax[0]+reg;
} else {
//A,n
op = ax[1];
param8 = function(vars){return Parser.evaluate(par2,vars);};
}
}
if (par1.toUpperCase()=='IX') {
//XX,r16 (<<4)
if ((reg = R16IX(par2))>=0) {
op = ax[2]+(reg<<4);
prefix = 0xdd;
}
}
if (par1.toUpperCase()=='IY') {
//XX,r16 (<<4)
if ((reg = R16IY(par2))>=0) {
op = ax[2]+(reg<<4);
prefix = 0xfd;
}
}
if (par1.toUpperCase()=='HL') {
//HL,r16 (<<4)
if ((reg = R16(par2))>=0) {
op = ax[2]+(reg<<4);
}
}
}
if (op<0) {throw "Bad addressing mode at line "+s.numline;}
if (op>255) {
//prefixed
bytes++;
lens[0] = (op&0xff00)>>8;
lens[1] = (op&0xff);
} else {
lens[0] = (op&0xff);
}
var safeparse = function(d) {
try {
if (!vars) vars={};
return Parser.evaluate(d,vars);
} catch (e)
{
//console.log(e)
return null;}
};
//console.log(lens, bytes, prefix,disp)
if (prefix) {
lens.unshift(prefix);
bytes++;
}
if (disp!==null && disp!==undefined) {
if (bytes==3) {
lens[3]=lens[2];
//lens[2] = safeparse(disp);
lens[2] = (vars) => { var d = Parser.evaluate(disp, vars); if (d > 127 || d < -128) throw "Index out of range (" + d + ")"; return d; };
bytes = 4;
}
if (bytes==2) {
// lens[2] = safeparse(disp);
lens[2] = (vars) => { var d = Parser.evaluate(disp, vars); if (d > 127 || d < -128) throw "Index out of range (" + d + ")"; return d; };
bytes = 3;
}
}
if (param8) {
lens.push(param8);
bytes++;
}
s.lens = lens;
s.bytes = bytes;
//console.log(s);
return s;
}
return null;
}
};
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