ez80: ported ay38910 driver

2 years ago · 0eb0855948
2 changed files with 6 additions and 2 deletions
--- a/Source/HBIOS/Config/RCEZ80_std.asm
+++ b/Source/HBIOS/Config/RCEZ80_std.asm
@ -48,9 +48,9 @@ VRCENABLE	.SET	FALSE		; VRC: ENABLE VGARC VIDEO/KBD DRIVER (VRC.ASM)
 EFENABLE	.SET	FALSE		; EF: ENABLE EF9345 VIDEO DRIVER (EF.ASM)
 VDAEMU_SERKBD	.SET	0		; VDA EMULATION: SERIAL KBD UNIT #, OR $FF FOR HW KBD
 ;
-AY38910ENABLE	.SET	FALSE		; AY: AY-3-8910 / YM2149 SOUND DRIVER
+AY38910ENABLE	.SET	TRUE		; AY: AY-3-8910 / YM2149 SOUND DRIVER
 AYMODE		.SET	AYMODE_RCZ80	; AY: DRIVER MODE: AYMODE_[SCG|N8|RCZ80|RCZ180|MSX|LINC]
-SN76489ENABLE	.SET	TRUE		; SN: ENABLE SN76489 SOUND DRIVER
+SN76489ENABLE	.SET	FALSE		; SN: ENABLE SN76489 SOUND DRIVER
 ;
 FDENABLE	.SET	FALSE		; FD: ENABLE FLOPPY DISK DRIVER (FD.ASM)
 FDMODE		.SET	FDMODE_RCWDC	; FD: DRIVER MODE: FDMODE_[DIO|ZETA|ZETA2|DIDE|N8|DIO3|RCSMC|RCWDC|DYNO|EPFDC]
--- a/Source/HBIOS/ay38910.asm
+++ b/Source/HBIOS/ay38910.asm
@ -575,8 +575,10 @@ AY_WRTPSG:
 	OUT0	(Z180_DCNTL),A		; AND UPDATE DCNTL
 #ENDIF
 	LD	A,D			; SELECT THE REGISTER WE
+	EZ80_IO
 	OUT	(AY_RSEL),A		; WANT TO WRITE TO
 	LD	A,E			; WRITE THE VALUE TO
+	EZ80_IO
 	OUT	(AY_RDAT),A		; THE SELECTED REGISTER
 #IF (CPUFAM == CPU_Z180)
 	POP	AF			; GET SAVED DCNTL VALUE
@ -606,7 +608,9 @@ AY_RDPSG:
 	OUT0	(Z180_DCNTL),A		; AND UPDATE DCNTL
 #ENDIF
 	LD	A,D			; SELECT THE REGISTER WE
+	EZ80_IO
 	OUT	(AY_RSEL),A		; WANT TO READ
+	EZ80_IO
 	IN	A,(AY_RIN)		; READ SELECTED REGISTER
 	LD	E,A
 #IF (CPUFAM == CPU_Z180)