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65816.js
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added more unit tests for LDA

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Preston Skupinski 2011-08-31 14:22:35 -04:00
parent d2a9f2589c
commit a8f5cc4556
1 changed files with 53 additions and 1 deletions
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54
test/tests.js
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@ -76,8 +76,60 @@ function test_lda() {
equals(cpu.p.m, 0, "m flag of the p status register should be 0 for "+
"16-bit memory/accumulator mode.");
equals(cpu.p.e, 0, "Hidden e flag of the p status register should be 0 "+
"for native mode");
"for native mode.");
});
test("Make sure LDA with an absolute address loads an 8-bit value in "+
"8-bit memory/accumulator mode.", function() {
var cpu = new CPU_65816();
cpu.execute("18fba9fe8dff0aa900adff0a");
equals(cpu.r.a, 0xfe, "The accumulator should be 0xfe when 0xfe is "+
"loaded from $0aff(absolute) in 8-bit "+
"memory/accumulator mode.");
equals(cpu.p.m, 1, "m flag of the p status register should be 1 for "+
"8-bit memory/accumulator mode.");
equals(cpu.p.e, 0, "Hidden e flag of the p status register should be 0 "+
"for native mode.");
});
test("Make sure LDA with an absolute address loads a 16-bit value in "+
"16-bit memory/accumulator mode.", function() {
var cpu = new CPU_65816();
cpu.execute("18fbc220a9ffff8dff0aa90000adff0a");
equals(cpu.r.a, 0xffff, "The accumulator should be 0xffff when 0xffff "+
"is loaded from $0aff and $0b00(absolute) in 16-bit "+
"memory/accumulator mode.");
equals(cpu.p.m, 0, "m flag of the p status register should be 0 for "+
"16-bit memory/accumulator mode.");
equals(cpu.p.e, 0, "Hidden e flag of the p status register should be 0 "+
"for native mode.");
});
test("Make sure LDA with a direct page address indexed with the x "+
"register loads an 8-bit value in 8-bit memory/accumulator mode.",
function() {
var cpu = new CPU_65816();
cpu.execute("18fba201a9ff85ffa900b5fe");
equals(cpu.r.a, 0xff, "The accumulator should be 0xff when 0xff "+
"is loaded from direct page address $fe indexed "+
"with x(which is 1) and thus loaded from $ff in "+
"8-bit memory/accumulator mode.");
equals(cpu.p.m, 1, "m flag of the p status register should be 1 for "+
"8-bit memory/accumulator mode.");
equals(cpu.p.e, 0, "Hidden e flag of the p status register should be 0 "+
"for native mode.");
});
test("Make sure LDA with a direct page address indexed with the x "+
"register loads a 16-bit value in 16-bit memory/accumulator mode.",
function() {
var cpu = new CPU_65816();
cpu.execute("18fbc220a201a9ffff85fea90000bdfd");
equals(cpu.r.a, 0xffff, "The accumulator should be 0xffff when 0xffff "+
"is loaded from direct page addresses $fe and "+
"$ff after $fd is indexed with the x register("+
"which is 1) in 16-bit memory/accumulator mode.");
equals(cpu.p.m, 0, "m flag of the p status register should be 0 for "+
"16-bit memory/accumulator mdoe.");
equals(cpu.p.e, 0, "Hidden e flag of the p status register should be 0 "+
"for native mode.");
});
}
function test_emulation_mode() {