From: Alan Cox <alan@linux.intel.com>
Date: Mon, 3 Sep 2018 20:16:26 +0000 (+0100)
Subject: cpuinfo: Fix scf check logic
X-Git-Url: https://git.ndcode.org/public/gitweb.cgi?a=commitdiff_plain;h=9dc641991f83c2f24d8631991b32390625bb2345;p=FUZIX.git

cpuinfo: Fix scf check logic
---

diff --git a/Applications/util/cpuinfo.c b/Applications/util/cpuinfo.c
index d1867d19..26fe417c 100644
--- a/Applications/util/cpuinfo.c
+++ b/Applications/util/cpuinfo.c
@@ -98,12 +98,11 @@ no_port_idwork:
         bit 3,c
         ld a, #CPU_Z80_BM1
         jr z, set_id
-        ld bc,#0xffff
+        ld bc,#0x00ff
         push bc
-        pop af
-        xor a
-        scf
-        nop
+        pop af		/* Flags is now 0xFF A is 0. Now play with XF and YF */
+        scf		/* Will give us 0 for NEC clones, 28 for Zilog */
+        nop		/* (Turbo R will also show 28) */
         push af
         pop bc
         ld a,c