z88dk-data 1.8.ds1-10 / usr / share / z88dk / lib / msxbios.def

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; MSX BIOS functions definition
;
; December 2007
; $Id: msxbios.def,v 1.1 2007/12/07 11:28:59 stefano Exp $
;


defc CHKRAM = $0000 ; Check RAM and sets slot for command area.
defc RESET  = $0000
defc BOOT   = $0000
defc STARTUP = $0000

defc SYNCHR = $0008 ; Checks if then current character pointed by
                    ; HL is one desired.If not,generates
                    ; 'Syntax error',otherwise falls into CHRGTB.
defc RDSLT  = $000C ; Reads the value of an address in another slot
defc CHRGTB = $0010 ; Gets next character (or token) from BASIC text.
defc WRTSLT = $0014 ; Writes a value to an address in another slot.
defc OUTDO  = $0018 ; Output to the current device.
defc CALSLT = $001C ; Performs inter-slot call to specified address.
defc DCOMPR = $0020 ; Compare HL with DE.
defc ENASLT = $0024 ; Switches indicated slot at indicated page on perpetual
defc GETYPR = $0028 ; Return the type FAC.
defc CALLF  = $0030 ; Performs far_call (i.e. inter-slots call)
defc KEYINT = $0038 ; Performs hardware interrupt procedures.

; I/O initialization.

defc INITIO = $003B ; Dev. initialization.
defc INIFNK = $003E ; Initializes function key strings.

; Accessing to the VDP (T19918)

defc DISSCR = $0041 ; Disables screen display.
defc ENASCR = $0044 ; Enables screen display.
defc WRTVDP = $0047 ; Writes to the VDP register.
defc RDVRM  = $004A ; Reads the VRAM address by [HL].
defc WRTVRM = $004D ; Write to the VRAM address by [HL].
defc SETRD  = $0050 ; Sets up the VDP for read.
defc SETWRT = $0053 ; Sets up the VDP for write.
defc FILVRM = $0056 ; Fill the vram with specified data
defc LDIRMV = $0059 ; Block transfer to memory from VRAM
defc LDIRVM = $005C ; Block transfer to VRAM from memory
defc CHGMOD = $005F ; Sets the VDP mode according to SCRMOD.
defc CHGCLR = $0062 ; Changes the color of the screen.
defc NMI    = $0066 ; Performs non-maskable interrupt procedures.
defc CLRSPR = $0069 ; Initializes all sprites.
defc INITXT = $006C ; Initializes screen for text mode (40*24) and sets the VDP.
defc INIT32 = $006F ; Initializes screen for text mode (32*24) and sets the VDP.
defc INIGRP = $0072 ; Initializes screen for high-resolution mode and sets the VDP.
defc INIMLT = $0075 ; Initializes screen for multi-color mode and sets the VDP.
defc SETTXT = $0078 ; Sets the VDP for text (40*24) mode.
defc SETT32 = $007B ; Sets the VDP for text (32*24) mode.
defc SETGRP = $007E ; Sets the VDP for high-resolution mode.
defc SETMLT = $0081 ; Sets the VDP for multicolor mode.
defc CALPAT = $0084 ; Returns address of sprite pattern table.
defc CALATR = $0087 ; Returns address of sprite atribute table.
defc GSPSIZ = $008A ; Returns the current sprite size.
defc GRPPRT = $008D ; Prints a character on the graphic screen.

; Accessing to the PSG.

defc GICINI = $0090 ; Initializes PSG,and static data for PLAY
defc WRTPSG = $0093 ; Writes data to the PSG register.
defc RDPSG  = $0096 ; Reads data from PSG register.
defc STRTMS = $0099 ; Checks/starts background tasks for PLAY.

; Console (i.e. the keyboard and the CRT)

defc CHSNS  = $009C ; Check the status of keyboard buffer.
defc CHGET  = $009F ; Waits for character being input and returns the character codes.
defc CHPUT  = $00A2 ; Outputs a character to the console.
defc LPTOUT = $00A5 ; Output a character to the line printer.
defc LPTSTT = $00A8 ; Check the line priter status.
defc SNVCHR = $00AB ; Check graphic header byte and converts codes.
defc PINLIN = $00AE ; Accepts a line from console until a CR or STOP
                    ; is typed,and stores the line in a buffer.
defc INLIN  = $00B1 ; Same as PINLIN,exept if AUTFLO if set.
defc QINLIN = $00B4 ; Output a '?' mark and a space then falls into the INLIN routine.
defc BREAKX = $00B7 ; Check the status of the Control-STOP key.
defc ISCNTC = $00BA ; Check the status of the SHIFT-STOP key.
defc CKCNTC = $00BD ; Same as ISCNTC,used by BASIC
defc BEEP   = $00C0 ; Sounds the buffer
defc CLS    = $00C3 ; Clear the screen.
defc POSIT  = $00C6 ; Locate cursor at the specified position.
defc FNKSB  = $00C9 ; Check if function key display is active. If
                    ; it is,it display it,otherwise does nothing.
defc ERAFNK = $00CC ; Hide the function key diplay.
defc DSPFNK = $00CF ; Show the function key display.
defc TOTEXT = $00D2 ; Forcidly places the screen in text mode.

; Game I/O devices

defc GTSTCK = $00D5 ; Return the current joystick status.
defc GTTRIG = $00D8 ; Return the current trigger button status.
defc GTPAD  = $00DB ; Check the current touch PAD status.
defc GTPDL  = $00DE ; Return the value of the paddle.

; Tape device routines

defc TAPION = $00E1 ; Reads the header block after turning the cassette motor on
defc TAPIN  = $00E4 ; Read data from the tape
defc TAPIOF = $00E7 ; Stops reading from the tape
defc TAPOON = $00EA ; Turns on the cassette motor and writes the header
defc TAPOUT = $00ED ; Writes data on the tape
defc TAPOOF = $00F0 ; Stops writing on the tape
defc STMOTR = $00F3 ; Sets the cassette motor action

; Queue routines

defc LFTQ   = $00F6 ; Gives number of bytes in queue
defc PUTQ   = $00F9 ; Put byte in queue

; Graphic routines

defc RIGHTC = $00FC ; Shifts screenpixel to the right
defc LEFTC  = $00FF ; Shifts screenpixel to the left
defc UPC    = $0102 ; Shifts screenpixel up
defc TUPC   = $0105 ; Tests whether UPC is possible, if possible, execute UPC
defc DOWNC  = $0108 ; Shifts screenpixel down
defc TDOWNC = $010B ; Tests whether DOWNC is possible, if possible, execute DOWNC
defc SCALXY = $010E ; Scales X and Y coordinates
defc MAPXY  = $0111 ; Places cursor at current cursor address
defc FETCHC = $0114 ; Gets current cursor addresses mask pattern
defc STOREC = $0117 ; Record current cursor addresses mask pattern
defc SETATR = $011A ; Set attribute byte
defc READC  = $011D ; Reads attribute byte of current screenpixel
defc SETC   = $0120 ; Returns currenct screenpixel of specificed attribute byte
defc NSETCX = $0123 ; Set horizontal screenpixels
defc GTASPC = $0126 ; Gets screen relations
defc PNTINI = $0129 ; Initalises the PAINT instruction
defc SCANR  = $012C ; Scans screenpixels to the right
defc SCANL  = $012F ; Scans screenpixels to the left

; Misc routines

defc CHGCAP = $0132 ; Alternates the CAP lamp status
defc CHGSND = $0135 ; Alternates the 1-bit sound port status
defc RSLREG = $0138 ; Reads the primary slot register
defc WSLREG = $013B ; Writes value to the primary slot register
defc RDVDP  = $013E ; Reads VDP status register
defc SNSMAT = $0141 ; Returns the value of the specified line from the keyboard matrix
defc PHYDIO = $0144 ; Executes I/O for mass-storage media like diskettes
defc FORMAT = $0147 ; Initialises mass-storage media like formatting of diskettes
defc ISFLIO = $014A ; Tests if I/O to device is taking place
defc OUTDLP = $014D ; Printer output
defc GETVCP = $0150 ; Returns pointer to play queue
defc GETVC2 = $0153 ; Returns pointer to variable in queue number VOICEN (byte op #FB38)
defc KILBUF = $0156 ; Clear keyboard buffer
defc CALBAS = $0159 ; Executes inter-slot call to the routine in BASIC interpreter

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