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Implement Instruction Pipeline #3

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paoda merged 20 commits from pipeline into main 2022-10-17 19:42:42 +00:00
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src/core/cpu.zig
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@ -547,6 +547,8 @@ pub const Arm7tdmi = struct {
std.debug.print("spsr: 0x{X:0>8} ", .{self.spsr.raw}); std.debug.print("spsr: 0x{X:0>8} ", .{self.spsr.raw});
prettyPrintPsr(&self.spsr); prettyPrintPsr(&self.spsr);
std.debug.print("pipeline: {??X:0>8}\n", .{self.pipe.stage});
if (self.cpsr.t.read()) { if (self.cpsr.t.read()) {
const opcode = self.bus.dbgRead(u16, self.r[15] - 4); const opcode = self.bus.dbgRead(u16, self.r[15] - 4);
const id = thumb.idx(opcode); const id = thumb.idx(opcode);