socz80: definitely a "don't spin" platform

diff --git a/Kernel/platform-socz80/socz80.s b/Kernel/platform-socz80/socz80.s
index 4f6faa6..222db84 100644 (file)
--- a/Kernel/platform-socz80/socz80.s
+++ b/Kernel/platform-socz80/socz80.s
@@ -230,7 +230,8 @@ testready:  bit 6, a ; transmitter busy?
             jr nz, notready ; 0=idle, 1=busy
             ld l, #1
             ret
-notready:   ld l, #0
+notready:   ld l, #-1  ; Don't spin, fast CPU, enormous FIFO
+           ld h, l
             ret