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chore: use bitfield library

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This commit is contained in:
Rekai Nyangadzayi Musuka
2022-01-02 13:01:11 -06:00
parent e144261e07
commit de9045fba3
3 changed files with 181 additions and 92 deletions
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8
src/cpu/data_processing.zig
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@@ -40,10 +40,10 @@ pub fn comptimeDataProcessing(comptime I: bool, comptime S: bool, comptime instr
const didOverflow = @subWithOverflow(u32, op1_val, op2, &result);
cpu.cpsr.setV(v_ctx and (result >> 31 & 0x01 == 0x01));
cpu.cpsr.setC(didOverflow);
cpu.cpsr.setZ(result == 0x00);
cpu.cpsr.setN(result >> 31 & 0x01 == 0x01);
cpu.cpsr.v.write(v_ctx and (result >> 31 & 0x01 == 0x01));
cpu.cpsr.c.write(didOverflow);
cpu.cpsr.z.write(result == 0x00);
cpu.cpsr.n.write(result >> 31 & 0x01 == 0x01);
},
else => std.debug.panic("TODO: implement data processing type {}", .{instrKind}),
}