Found something....
It seems that there needs to be at least 2 items in the HSEROUT command

If I do: HSEROUT [DEC 1] it fails to compile.

but if I use: HSEROUT[DEC 1,2] it will compile.


'file: AnsiTest.bas

define osc 4
include "modedefs.bas"
include "ansi.inc"


Row var byte
Col var byte
SerPinOut var portC.6 'Usart output TX
SerPinIn var portC.7 'Usart input RX

Row=1
col=1

@ ClrScr
@ Blink
@ BackColor blue
@ ForColor yellow
@ CurMove 1,2
@ RequestCurPos

HSEROUT [DEC 1,12]
'HSEROUT [DEC 1]