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chore(io): replace some bitfields with enums

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This commit is contained in:
Rekai Nyangadzayi Musuka
2022-02-24 17:15:08 -06:00
parent 441ebc38c7
commit ac0486be1b
2 changed files with 18 additions and 12 deletions
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4
src/cpu.zig
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@@ -247,7 +247,7 @@ pub const Arm7tdmi = struct {
pub fn step(self: *Self) u64 {
// If we're halted, the cpu is disabled
if (self.bus.io.is_halted) return 1;
if (self.bus.io.haltcnt == .Halt) return 1;
if (self.cpsr.t.read()) {
const opcode = self.thumbFetch();
@@ -270,7 +270,7 @@ pub const Arm7tdmi = struct {
const should_handle = self.bus.io.ie.raw & self.bus.io.irq.raw;
if (should_handle != 0) {
self.bus.io.is_halted = false;
self.bus.io.haltcnt = .Execute;
// log.info("An Interrupt was Fired!", .{});
// Either IME is not true or I in CPSR is true