6502
/
65816.js
mirror of https://github.com/pskupinski/65816.js.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

added CLD, SED and CLV

This commit is contained in:
Preston Skupinski 2011-05-09 12:37:09 -04:00
parent 6a4d4ceeaa
commit 4a48a49547
1 changed files with 31 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

35
cpu.js
View File

@ -44,10 +44,10 @@ function CPU_65816() {
this.mmu = MMU;
this.mmu.cpu = this;
this.opcode_map = { 0xfb : XCE, 0x18 : CLC, 0x78 : SEI, 0x38 : SEC,
0x58 : CLI, 0xc2 : REP, 0xe2 : SEP,
0xa9 : LDA_const, 0xad : LDA_absolute,
0xaf : LDA_absolute_long,
this.opcode_map = { 0xfb : XCE, 0x18 : CLC, 0x78 : SEI, 0x38 : SEC,
0x58 : CLI, 0xc2 : REP, 0xe2 : SEP, 0xd8 : CLD,
0xf8 : SED, 0xb8 : CLV, 0xa9 : LDA_const,
0xad : LDA_absolute, 0xaf : LDA_absolute_long,
0xa5 : LDA_direct_page, 0xbd : LDA_absolute_indexed_x,
0xb9 : LDA_absolute_indexed_y,
0xb2 : LDA_direct_page_indirect,
@ -3329,3 +3329,30 @@ var SEC = {
cpu.p.c = 1;
}
};
var CLD = {
bytes_required:function() {
return 1;
},
execute:function(cpu) {
cpu.p.d = 0;
}
};
var SED = {
bytes_required:function() {
return 1;
},
execute:function(cpu) {
cpu.p.d = 1;
}
};
var CLV = {
bytes_required:function() {
return 1;
},
execute:function(cpu) {
cpu.p.v = 0;
}
};