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N bit wasn't getting set correctly in DIV in overflow cases

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Neil Webber 2023-10-10 21:04:01 -05:00
parent aa80882389
commit 1f4e566c9f
1 changed files with 1 additions and 1 deletions
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op07.py
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@ -99,7 +99,7 @@ def op071_div(cpu, inst):
q, rem = divmod(dividend, divisor) q, rem = divmod(dividend, divisor)
q *= posneg q *= posneg
if q > 32767 or q < -32768: if q > 32767 or q < -32768:
cpu.psw_n = 0 cpu.psw_n = (q < 0)
cpu.psw_z = 0 cpu.psw_z = 0
cpu.psw_v = 1 cpu.psw_v = 1
cpu.psw_c = 0 cpu.psw_c = 0