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chore(cpu): add inline fn isHalted()

This commit is contained in:
Rekai Nyangadzayi Musuka 2022-06-16 00:49:37 -03:00
parent db08edbdb9
commit dba8873f76
2 changed files with 5 additions and 1 deletions
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4
src/cpu.zig
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@ -148,6 +148,10 @@ pub const Arm7tdmi = struct {
}; };
} }
pub inline fn isHalted(self: *const Self) bool {
return self.bus.io.haltcnt == .Halt;
}
pub fn setCpsr(self: *Self, value: u32) void { pub fn setCpsr(self: *Self, value: u32) void {
if (value & 0x1F != self.cpsr.raw & 0x1F) self.changeModeFromIdx(@truncate(u5, value & 0x1F)); if (value & 0x1F != self.cpsr.raw & 0x1F) self.changeModeFromIdx(@truncate(u5, value & 0x1F));
self.cpsr.raw = value; self.cpsr.raw = value;

2
src/emu.zig
View File

@ -52,7 +52,7 @@ pub fn runFrame(sched: *Scheduler, cpu: *Arm7tdmi) void {
while (true) { while (true) {
while (sched.tick < std.math.min(frame_end, sched.nextTimestamp())) { while (sched.tick < std.math.min(frame_end, sched.nextTimestamp())) {
if (cpu.bus.io.haltcnt == .Execute) cpu.step() else sched.tick += 1; if (!cpu.isHalted()) cpu.step() else sched.tick += 1;
cpu.handleDMATransfers(); cpu.handleDMATransfers();
} }