mirror of https://github.com/wwarthen/RomWBW.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
316 lines
10 KiB
316 lines
10 KiB
==========================
|
|
HBIOS Management Functions
|
|
==========================
|
|
|
|
SETBNK ($F0):
|
|
B=Function A=Result
|
|
C=Bank Id C=Previous Bank Id
|
|
|
|
GETBNK ($F1):
|
|
B=Function A=Result
|
|
C=Bank Id
|
|
|
|
SETCPY ($F2):
|
|
B=Function A=Result
|
|
D=Destination Bank Id
|
|
E=Source Bank Id
|
|
HL=Count of Bytes to Copy
|
|
|
|
BNKCPY ($F3):
|
|
B=Function A=Result
|
|
DE=Destination Address
|
|
HL=Source Address
|
|
|
|
ALLOC ($F4):
|
|
B=Function A=Result
|
|
HL=Size HL=Address of Allocated Memory Block
|
|
|
|
FREE ($F5):
|
|
B=Function A=Result
|
|
HL=Address of Memory Block to Free
|
|
|
|
VER ($F6):
|
|
B=Function A=Result
|
|
C=Reserved (set to 0) DE=Version (Maj/Min/Upd/Pat)
|
|
L=Platform Id
|
|
|
|
GET ($F7):
|
|
BC=Function/Subfunction A=Result
|
|
|
|
Subfunctions:
|
|
|
|
CIOCNT ($00):
|
|
BC=Function/Subfunction A=Result
|
|
E=Serial Unit Count
|
|
|
|
DIOCNT ($10):
|
|
BC=Function/Subfunction A=Result
|
|
E=Disk Unit Count
|
|
|
|
VDACNT ($40):
|
|
BC=Function/Subfunction A=Result
|
|
E=Video Unit Count
|
|
|
|
BOOTINFO ($E0):
|
|
BC=Function/Subfunction A=Result
|
|
L=Boot Bank Id
|
|
DE=Boot Volume (Disk Unit/Slice)
|
|
|
|
CPUINFO ($F0):
|
|
BC=Function/Subfunction A=Result
|
|
H=Z80 CPU Variant
|
|
L=CPU Speed in MHz
|
|
DE=CPU Speed in KHz
|
|
|
|
MEMINFO ($F1):
|
|
BC=Function/Subfunction A=Result
|
|
D=# ROM Banks
|
|
E=# RAM Banks
|
|
|
|
BNKINFO ($F2):
|
|
BC=Function/Subfunction A=Result
|
|
D=BIOS Bank Id
|
|
E=User Bank Id
|
|
|
|
SET ($F8):
|
|
BC=Function/Subfunction A=Result
|
|
|
|
BOOTINFO ($E0):
|
|
BC=Function/Subfunction A=Result
|
|
L=Boot Bank Id
|
|
DE=Boot Volume (Disk Unit/Slice)
|
|
|
|
PEEK: ($F9):
|
|
B=Function A=Result
|
|
D=Bank E=Byte Value
|
|
HL=Address
|
|
|
|
POKE: ($FA):
|
|
B=Function A=Result
|
|
D=Bank
|
|
E=Byte Value
|
|
HL=Address
|
|
|
|
================
|
|
Serial Functions
|
|
================
|
|
|
|
IN ($00):
|
|
BC=Function/Unit A=Result
|
|
E=Byte Input
|
|
|
|
Wait for a single character to be available at the specified device and return the character in E. Function
|
|
will wait indefinitely for a character to be available.
|
|
|
|
OUT ($01):
|
|
BC=Function/Unit A=Result
|
|
E=Character to Output
|
|
|
|
Wait for device to be ready to send a character, then send the character specified in E.
|
|
|
|
IST ($02):
|
|
BC=Function/Unit A=Result
|
|
*E=# Bytes Pending
|
|
|
|
OST ($03):
|
|
BC=Function/Unit A=Result
|
|
*E=# Buffer Bytes Available
|
|
|
|
INIT ($04):
|
|
BC=Function/Unit A=Result
|
|
DE=Line Characteristics
|
|
L=Terminal Type?
|
|
|
|
QUERY ($05)
|
|
BC=Function/Unit A=Result
|
|
DE=Line Characteristics (Baud, Flow Control, etc.)
|
|
L=Terminal Type? (TTY, VT-100, etc.)
|
|
|
|
DEVICE ($06):
|
|
BC=Function/Unit A=Result
|
|
D=Device Type
|
|
E=Device Number
|
|
C=Device Attributes
|
|
|
|
Disk Device Attributes Byte:
|
|
7: 0=RS-232, 1=Terminal
|
|
|
|
If Terminal, 3-0 is attached Video Unit #
|
|
|
|
==============
|
|
Disk Functions
|
|
==============
|
|
|
|
STATUS ($10):
|
|
BC=Function/Unit A=Result
|
|
|
|
Return current status result code of specified unit. Does not clear
|
|
the status.
|
|
|
|
RESET ($11):
|
|
BC=Function/Unit A=Result
|
|
|
|
Reset the physical interface associated with the specified unit. Flag all units
|
|
associated with the interface for unit initialization at next I/O call. Clear
|
|
media identified unless locked. Reset result code of all associated units.
|
|
|
|
SEEK ($12):
|
|
BC=Function/Unit A=Result
|
|
D:7=Address Type (0=CHS, 1=LBA)
|
|
CHS: D:0-6=Head,E=Sector,HL=Track
|
|
LBA: DE:HL
|
|
|
|
Update target CHS or LBA for next I/O request on designated unit.
|
|
Physical seek is typically deferred until subsequent I/O operation.
|
|
|
|
READ ($13) / WRITE ($14) / VERIFY ($15):
|
|
BC=Function/Unit A=Result
|
|
HL=Buffer Address
|
|
E=Block Count
|
|
|
|
Read, write, or verify sectors starting at current target sector. Current
|
|
target sector is incremented on each successful operation. On error,
|
|
target sector is sector where error occurred.
|
|
|
|
FORMAT ($16):
|
|
BC=Function/Unit A=Result
|
|
CHS: D=Head, HL=Cylinder
|
|
E=Fill Byte
|
|
|
|
Format the designated track using the current media_id. Many devices
|
|
do not support a true format operation. If so, format should write
|
|
sectors with designated fill byte.
|
|
|
|
*** Need to specify interleave/sector id's somehow.
|
|
|
|
DEVICE ($17)
|
|
BC=Function/Unit A=Result
|
|
D=Device Type (MD, FD, IDE, etc.)
|
|
E=Device Number (0..n)
|
|
C=Device Attributes
|
|
|
|
Report the Device Type (Floppy, IDE, SD, etc.) and Device Number. Call
|
|
does not perform any I/O and succeeds even if the device is in an error state.
|
|
It does not reset the unit status.
|
|
|
|
Disk Device Attributes Byte:
|
|
7: 1=Floppy, 0=Hard Disk (or similar, e.g. CF, SD, RAM)
|
|
|
|
If Floppy:
|
|
6-5: Form Factor (0=8", 1=5.25", 2=3.5", 3=Other)
|
|
4: Sides (0=SS, 1=DS)
|
|
3-2: Density (0=SD, 1=DD, 2=HD, 3=ED)
|
|
1-0: Reserved
|
|
|
|
If Hard Disk:
|
|
6: Removable
|
|
5-3: Type (0=Hard, 1=CF, 2=SD, 3=USB, 4=ROM, 5=RAM, 6=RAMF, 7=?)
|
|
2-0: Reserved
|
|
|
|
Note: IDE value 848Ah in IDENTIFY DEVICE data word 0 indicates CF Card
|
|
|
|
MEDIA ($18):
|
|
BC=Function/Unit A=Result
|
|
E:0=Enable Media Discovery E=Media ID (legacy)
|
|
|
|
Report the media definition for media in specified unit. If bit 0 of E is
|
|
set, then perform media discovery or verification. If no media in device,
|
|
return no media error.
|
|
|
|
DEFMED ($19):
|
|
BC=Function/Unit A=Result
|
|
E=Media ID (legacy)
|
|
|
|
Define media in unit.
|
|
|
|
CAPACITY ($1A):
|
|
BC=Function/Unit DE:HL=Blocks on Device
|
|
BC=Block Size
|
|
A=Result
|
|
|
|
Report current media capacity information.
|
|
If media is unknown, return error (no media)
|
|
|
|
GEOMETRY ($1B):
|
|
BC=Function/Unit A=Result
|
|
HL=Cylinders
|
|
D:0-6=Heads
|
|
D:7=LBA Capable
|
|
E=Sectors
|
|
BC=Block Size
|
|
|
|
|
|
Report current media geometry information.
|
|
If media is unknown, return error (no media)
|
|
|
|
===============
|
|
Video Functions
|
|
===============
|
|
|
|
|
|
|
|
|
|
-----------------------------------------------------------------------------------
|
|
|
|
Unit Device Type Capacity/Mode
|
|
---------- ---------- ---------------- --------------------
|
|
Disk 0 MD0: ROM Disk 384K, LBA
|
|
Disk 1 MD1: RAM Disk 384K, LBA
|
|
Disk 2 FD0: Floppy Disk 3.5", DS/HD, CHS
|
|
Disk 3 FD1: Floppy Disk 5.25", DS/HD, CHS
|
|
Disk 4 PPIDE0: Hard Disk 2345M, LBA
|
|
Disk 5 IDE0: Compact Flash 2048M, LBA
|
|
Disk 6 SD0: SD Card 4096M, LBA
|
|
Disk 7 PRPSD0: SD Card 2048M, LBA
|
|
Disk 8 RF0: RAM Floppy 4M, LBA
|
|
Serial 0 UART0: RS-232 38400,8N1,HFC
|
|
Serial 1 PRPCON0: Terminal Video 0
|
|
Serial 2 CVDU0: Terminal Video 1
|
|
Serial 3 VDU0: Terminal Video 2
|
|
Serial 4 TMS0: Terminal Video 3
|
|
Video 0 PRPCON0: CRT Text 80x25, ANSI
|
|
Video 1 CVDU0: CRT Text 80x25, ANSI
|
|
Video 2 VDU0: CRT Text 80x25, ANSI
|
|
Video 3 TMS0: CRT Text 40x25, TTY
|
|
Video 4 NEC0 CRT Graphics 600x400
|
|
|
|
Unit: Function Group & Unit Index
|
|
Device: <driver>_DEVICE Device Type & Device Num
|
|
Type: <driver>_DEVICE Type & Attributes
|
|
Capacity/Mode:
|
|
Disk: <driver>_DEVICE Attributes & <driver>_CAPACITY
|
|
Serial: <driver>_QUERY
|
|
Video: <driver>_QUERY
|
|
|
|
|
|
|
|
-----------------------------------------------------------------------------------
|
|
|
|
<VDA>_INIT:
|
|
- INIT CRT HARDWARE
|
|
- INIT KEYBOARD HARDWARE
|
|
- CALL <VDA>_VDARES (<NO PARMS>)
|
|
- ADD OURSELVES TO VDA_TBL
|
|
- CALL TERM_ATTACH (C=VIDEO UNIT, DE=<VDA>_DISPATCH)
|
|
|
|
<VDA>_VDARES: (<NO PARMS>)
|
|
- HOME CURSOR
|
|
- CLEAR SCREEN
|
|
- RETURN (A=STATUS)
|
|
|
|
TERM_ATTACH: (C=VIDEO UNIT, DE=<VDA>_DISPATCH)
|
|
- CALL <EMU>_INIT (B=TERM DEV NUM, C=VIDEO UNIT, DE=<VDA>_DISPATCH)
|
|
- ADD OURSELVES TO CIO_TBL USING <EMU>_DISPATCH
|
|
- RETURN (A=STATUS)
|
|
|
|
<EMU>_INIT: (B=TERM DEV NUM, C=VIDEO UNIT, DE=<VDA>_DISPATCH)
|
|
- SAVE TERM DEV NUM TO <EMU>_DEVNUM
|
|
- SAVE VIDEO UNIT TO <EMU>_VDAUNIT
|
|
- SAVE <VDA>_DISPATCH TO <EMU>_VDADISPADR
|
|
- CALL <EMU>_RESET (<NO PARMS>)
|
|
- RETURN (DE=<EMU>_DISPATCH, A=STATUS)
|
|
|
|
<EMU>_RESET: (<NO PARMS>)
|
|
- QUERY ATTACHED VDA FOR SCREEN SIZE (VIA <EMU>_VDADISP)
|
|
- INITIALIZE ALL WORKING VARIABLES AND EMULATOR STATE
|
|
- RETURN (A=STATUS)
|
|
|