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Update hbios.asm

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b1ackmai1er
2019-05-23 23:21:48 +08:00
parent 6106e1600f
commit 4860cd945f
1 changed files with 1 additions and 0 deletions
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Source/HBIOS/hbios.asm
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@@ -1255,6 +1255,7 @@ PSCNX .EQU $ + 1
PRTS("MHz$")
#IF ((PLATFORM == PLT_N8) | (PLATFORM == PLT_MK4) | (PLATFORM == PLT_RCZ180))
LD L,1 ; flag Z180
LD D,0
OUT0 (Z180_ASTC1L),D ; D = 0 at this point
IN0 A,(Z180_FRC) ; supposedly only on S-class
INC A ; FF or 00 -> 0 or 1 (weak S-class or higher)