bbcbasic-z80/hbios.inc at dean/develop · dinoboards/bbcbasic-z80 · GitHub

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					; 0 - Use Fixed Port Numbers
HBIOS		EQU	08

BF_VDA		EQU	$40
BF_VDAINI	EQU	BF_VDA + 0	; INITIALIZE VDU
BF_VDAQRY	EQU	BF_VDA + 1	; QUERY VDU STATUS
BF_VDARES	EQU	BF_VDA + 2	; SOFT RESET VDU
BF_VDADEV	EQU	BF_VDA + 3	; DEVICE INFO
BF_VDASCS	EQU	BF_VDA + 4	; SET CURSOR STYLE
BF_VDASCP	EQU	BF_VDA + 5	; SET CURSOR POSITION
BF_VDASAT	EQU	BF_VDA + 6	; SET CHARACTER ATTRIBUTE
BF_VDASCO	EQU	BF_VDA + 7	; SET CHARACTER COLOR
BF_VDAWRC	EQU	BF_VDA + 8	; WRITE CHARACTER
BF_VDAFIL	EQU	BF_VDA + 9	; FILL
BF_VDACPY	EQU	BF_VDA + 10	; COPY
BF_VDASCR	EQU	BF_VDA + 11	; SCROLL
BF_VDAKST	EQU	BF_VDA + 12	; GET KEYBOARD STATUS
BF_VDAKFL	EQU	BF_VDA + 13	; FLUSH KEYBOARD BUFFER
BF_VDAKRD	EQU	BF_VDA + 14	; READ KEYBOARD


BF_SND		EQU	$50
BF_SNDRESET	EQU	BF_SND + 0	; RESET SOUND SYSTEM
BF_SNDVOL	EQU	BF_SND + 1	; REQUEST SOUND VOL - L CONTAINS VOLUME (255 MAX, 0 SILENT) - SCALED AS REQUIRED BY DRIVER (EG: MAPS TO JUST 4 BIT RESOLUTION FOR SN76489)
BF_SNDPRD	EQU	BF_SND + 2	; REQUEST SOUND PERIOD - HL CONTAINS DRIVER SPECIFIC VALUE
BF_SNDNOTE	EQU	BF_SND + 3	; REQUEST NOTE - L CONTAINS NOTE - EACH VALUE IS QUARTER NOTE
BF_SNDPLAY	EQU	BF_SND + 4	; INITIATE THE REQUESTED SOUND COMMAND
BF_SNDQUERY	EQU	BF_SND + 5	; E IS SUBFUNCTION
;
; BF_SNDQUERY SUBCOMMANDS
BF_SNDQ_STATUS		EQU	0
BF_SNDQ_CHCNT		EQU	BF_SNDQ_STATUS + 1	; RETURN COUNT OF CHANNELS
BF_SNDQ_VOLUME		EQU	BF_SNDQ_STATUS + 2	; 8 BIT NUMBER
BF_SNDQ_PERIOD		EQU	BF_SNDQ_STATUS + 3	; 16 BIT NUMBER
BF_SNDQ_DEV		EQU	BF_SNDQ_STATUS + 4	; RETURN DEVICE TYPE CODE AND IO PORTS - TYPE IN B, PORTS IN DE, HL

BF_SNDDEV		EQU	0			; TYPES OF SOUND DRIVERS
BF_SND_SN76489		EQU	BF_SNDDEV + 1
BF_SND_SNAY38910	EQU	BF_SNDDEV + 2

BF_SYS		EQU	$F0
BF_SYSRESET	EQU	BF_SYS + 0	; SOFT RESET HBIOS
BF_SYSVER	EQU	BF_SYS + 1	; GET HBIOS VERSION
BF_SYSSETBNK	EQU	BF_SYS + 2	; SET CURRENT BANK
BF_SYSGETBNK	EQU	BF_SYS + 3	; GET CURRENT BANK
BF_SYSSETCPY	EQU	BF_SYS + 4	; BANK MEMORY COPY SETUP
BF_SYSBNKCPY	EQU	BF_SYS + 5	; BANK MEMORY COPY
BF_SYSALLOC	EQU	BF_SYS + 6	; ALLOC HBIOS HEAP MEMORY
BF_SYSFREE	EQU	BF_SYS + 7	; FREE HBIOS HEAP MEMORY
BF_SYSGET	EQU	BF_SYS + 8	; GET HBIOS INFO
BF_SYSSET	EQU	BF_SYS + 9	; SET HBIOS PARAMETERS
BF_SYSPEEK	EQU	BF_SYS + 10	; GET A BYTE VALUE FROM ALT BANK
BF_SYSPOKE	EQU	BF_SYS + 11	; SET A BYTE VALUE IN ALT BANK
BF_SYSINT	EQU	BF_SYS + 12	; MANAGE INTERRUPT VECTORS
;
BF_SYSGET_CIOCNT	EQU	$00	; GET CHAR UNIT COUNT
BF_SYSGET_CIOFN		EQU	$01	; GET CIO UNIT FN/DATA ADR
BF_SYSGET_DIOCNT	EQU	$10	; GET DISK UNIT COUNT
BF_SYSGET_DIOFN		EQU	$11	; GET DIO UNIT FN/DATA ADR
BF_SYSGET_RTCCNT	EQU	$20	; GET RTC UNIT COUNT
BF_SYSGET_VDACNT	EQU	$40	; GET VDA UNIT COUNT
BF_SYSGET_VDAFN		EQU	$41	; GET VDA UNIT FN/DATA ADR
BF_SYSGET_SNDCNT	EQU	$50	; GET VDA UNIT COUNT
BF_SYSGET_SNDFN		EQU	$51	; GET SND UNIT FN/DATA ADR
BF_SYSGET_TIMER		EQU	$D0	; GET CURRENT TIMER VALUE
BF_SYSGET_SECS		EQU	$D1	; GET CURRENT SECONDS VALUE
BF_SYSGET_BOOTINFO	EQU	$E0	; GET BOOT INFORMATION
BF_SYSGET_CPUINFO	EQU	$F0	; GET CPU INFORMATION
BF_SYSGET_MEMINFO	EQU	$F1	; GET MEMORY CAPACTITY INFO
BF_SYSGET_BNKINFO	EQU	$F2	; GET BANK ASSIGNMENT INFO
;
BF_SYSSET_TIMER		EQU	$D0	; SET TIMER VALUE
BF_SYSSET_SECS		EQU	$D1	; SET SECONDS VALUE
BF_SYSSET_BOOTINFO	EQU	$E0	; SET BOOT INFORMATION
;
BF_SYSINT_INFO		EQU	$00	; GET INTERRUPT SYSTEM INFO
BF_SYSINT_GET		EQU	$10	; GET INT VECTOR ADDRESS
BF_SYSINT_SET		EQU	$20	; SET INT VECTOR ADDRESS

;
CIO_CONSOLE		EQU	$80	; CIO UNIT NUM FOR CUR CON
;

SYSGET_TIMER		EQU	(BF_SYSGET << 8) + BF_SYSGET_TIMER
SYSSET_TIMER		EQU	(BF_SYSSET << 8) + BF_SYSSET_TIMER

SYSGET_SNDCNT		EQU	(BF_SYSGET << 8) + BF_SYSGET_SNDCNT
SYSGET_VDAFN		EQU	(BF_SYSGET << 8) + BF_SYSGET_VDAFN

#define CALL_HBIOS	RST	08


HCB_BIDUSR	EQU	$8E		; USER BANK (TPA)
HCB_BIDBIOS	EQU	$8D		; BIOS BANK (HBIOS, UBIOS)