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65816.js
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Fix some bugs static code analysis caught

This commit is contained in:
Preston Skupinski 2012-12-12 23:39:35 -05:00
parent bc5c59469f
commit f874da1167
1 changed files with 11 additions and 9 deletions
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65816.js
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@ -68,7 +68,7 @@ var cpu_lib = {
var always_branch = typeof flag === 'undefined';
this.bytes_required = function() {
return 2;
},
};
this.execute = function(cpu, bytes) {
cpu.cycle_count+=3;
if(cpu.p.e)
@ -446,8 +446,10 @@ var cpu_lib = {
var memory_location = cpu.r.s + bytes[0];
if(cpu.p.e) {
memory_location = 0x100 | (memory_location & 0xff);
} else if(cpu.p.m) {
memory_location = 0x100 | (memory_location & 0xff);
}
if(cpu.p.e || cpu.p.m) {
instruction.execute(cpu, [cpu.mmu.read_byte(memory_location)]);
} else {
instruction.execute(cpu, [cpu.mmu.read_byte(memory_location),
@ -1018,7 +1020,7 @@ var PLB = {
cpu.r.dbr = cpu.mmu.pull_byte();
cpu.p.n = cpu.r.dbr >> 7;
cpu_lib.r.p.check_z(cpu.r.dbr);
cpu_lib.r.p.check_z(cpu, cpu.r.dbr);
}
};
@ -3285,9 +3287,6 @@ var LDA_stack_relative = new cpu_lib.addressing.Stack_relative(LDA_const);
var LDA_stack_relative_indirect_indexed_y =
new cpu_lib.addressing.Stack_relative_indirect_indexed_y(LDA_const);
var LDX_absolute_indexed_y =
new cpu_lib.addressing.Absolute_indexed_y(LDX_absolute);
var LDA_absolute_long = new cpu_lib.addressing.Absolute_long(LDA_const);
var LDA_absolute_long_indexed_x =
@ -3333,6 +3332,9 @@ var LDX_direct_page_indexed_y =
var LDX_absolute = new cpu_lib.addressing.Absolute(LDX_const);
var LDX_absolute_indexed_y =
new cpu_lib.addressing.Absolute_indexed_y(LDX_absolute);
var SEP = new cpu_lib.r.p.Set_p(1);
var REP = new cpu_lib.r.p.Set_p(0);
@ -3520,7 +3522,7 @@ var MMU = function() {
this.store_byte(memory_location, word_or_low_byte&0xff);
this.store_byte(memory_location+1, word_or_low_byte>>8);
} else {
this.store_byte(memory_location, low_byte);
this.store_byte(memory_location, word_or_low_byte);
this.store_byte(memory_location+1, high_byte);
}
};
@ -3532,7 +3534,7 @@ var MMU = function() {
this.store_byte_long(memory_location, bank, word_or_low_byte&0xff);
this.store_byte_long(memory_location+1, bank, word_or_low_byte>>8);
} else {
this.store_byte_long(memory_location, bank, low_byte);
this.store_byte_long(memory_location, bank, word_or_low_byte);
this.store_byte_long(memory_location+1, bank, high_byte);
}
};