Update std.asm

Required by ppide.asm
6 years ago · 4ac878029d
1 changed files with 1 additions and 0 deletions
--- a/Source/HBIOS/std.asm
+++ b/Source/HBIOS/std.asm
@ -28,6 +28,7 @@ TRUE		.EQU 	~FALSE
 USENONE		.EQU	0		; NO DEBUG
 USEXIO		.EQU	1		; BASIC SERIAL DRIVER
 USEMIO		.EQU	2		; MEMORY BUFFER DRIVER
+USEZ80OPT	.EQU	FALSE		; USE UNOFFICIAL OP CODES
 WBWDEBUG	.EQU	USENONE
 ;
 ; PRIMARY HARDWARE PLATFORMS