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65816.js
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begin work on unit tests for LDA

This commit is contained in:
Preston Skupinski 2011-08-30 12:39:43 -04:00
parent 3c77ef7dfa
commit d2a9f2589c
1 changed files with 54 additions and 0 deletions
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54
test/tests.js
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@ -15,6 +15,7 @@
*/
function run_tests() {
test_lda();
test_rep();
test_sep();
test_branching();
@ -26,6 +27,59 @@ function run_tests() {
test_emulation_mode();
}
function test_lda() {
module("LDA");
test("Make sure LDA with a constant properly loads an 8-bit value in "+
"8-bit memory/accumulator mode.", function() {
var cpu = new CPU_65816();
cpu.execute("18fba9ff");
equals(cpu.r.a, 0xff, "The accumulator should be 0xff when 0xff is "+
"given as its argument 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 constant properly loads a 16-bit value in "+
"16-bit memory/accumulator mode.", function() {
var cpu = new CPU_65816();
cpu.execute("18fbc220a9ffff");
equals(cpu.r.a, 0xffff, "The accumulator should be 0xffff when 0xffff is "+
"given as its argument 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 loads an 8-bit value in "+
"8-bit memory/accumulator mode.", function() {
var cpu = new CPU_65816();
cpu.execute("18fba90185fea5fe");
equals(cpu.r.a, 1, "The accumulator should be 1 when 1 is "+
"loaded from $fe(direct page) 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 loads a 16-bit value in "+
"16-bit memory/accumulator mode.", function() {
var cpu = new CPU_65816();
cpu.execute("18fbc220a901ff85fea5fe");
equals(cpu.r.a, 0xff01, "The accumulator should be 0xff01 when 0xff01 "+
"is loaded from $fe(direct page) 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");
});
}
function test_emulation_mode() {
module("Emulation Mode");
test("Make sure pulling from the stack when the stack register is at 0x1ff"+