File 04_se-os.asm

SEFileAppend

open a file for appending if it exists

Parameter:

IX - pointer to ASCIIZ file path

Throws:

sets carry flag on error

SEFileClose

close a file

Parameter:

A - file handle

Throws:

sets carry flag on error

SEFileCreate

create a file for writing or open a file for writing if it exists

Parameter:

IX - pointer to ASCIIZ file path

Throws:

sets carry flag on error

SEFileLoad

load a file from disk to memory

Parameter:

HL - destination address

Parameter:

IX - pointer to ASCIIZ file path

Throws:

sets carry flag on error

SEFileOpen

open a file from disk

Parameter:

IX - pointer to ASCIIZ file path

Returns:

file handle in A

Throws:

sets carry flag on error

SEFileOpenExists

open a file from disk for reading if it exists

Parameter:

IX - pointer to ASCIIZ file path

Returns:

file handle in A

Throws:

sets carry flag on error

SEFileRead

read bytes from a file to memory

Parameter:

A - file handle

Parameter:

BC - byte count

Parameter:

IX - destination in memory

Throws:

sets carry flag on error

SEFileReadOne

read one byte from a file to memory

Parameter:

A - file handle

Parameter:

IX - destination in memory

Throws:

sets carry flag on error

SEFileRemove

remove a file

Parameter:

IX - pointer to ASCIIZ file path

Throws:

sets carry flag on error

SEFileRename

rename a file or folder

Parameter:

DE - pointer to new ASCIIZ path

Parameter:

IX - pointer to old ASCIIZ path

Throws:

sets carry flag on error

SEFileSave

save a file from memory to disk

Parameter:

BC - byte count

Parameter:

HL - source address

Parameter:

IX - pointer to ASCIIZ file path

Throws:

sets carry flag on error

SEFileWrite

write bytes from memory to a file

Parameter:

A - file handle

Parameter:

BC - byte count

Parameter:

IX - source in memory

Throws:

sets carry flag on error

SEFileWriteOne

write one byte from memory to a file

Parameter:

A - file handle

Parameter:

IX - source in memory

Throws:

sets carry flag on error

SEFolderCreate

create a folder

Parameter:

IX - pointer to ASCIIZ folder path

Throws:

sets carry flag on error

SEFolderOpen

open a folder for reading

Parameter:

IX - pointer to ASCIIZ folder path

Returns:

folder handle in A

Throws:

sets carry flag on error

SEFolderRead

read a folder entry

Parameter:

A - folder handle

Parameter:

IX - destination memory address

Throws:

sets carry flag on error

SEFolderRemove

remove a folder

Parameter:

IX - pointer to ASCIIZ folder path

Throws:

sets carry flag on error

SEFolderSet

set current working folder

Parameter:

IX - pointer to ASCIIZ folder path

Throws:

sets carry flag on error

SEGraphicsPaletteSet

set the 64 palette registers (during vblank)

Parameter:

IX - pointer to 64 bytes of palette data

SEKeyboardFlushBuffer

flush keyboard buffer

SEScreenClear

clear the screen

SEScreenLowerPrintString

print an ASCIIZ string to the lower display

Parameter:

IX - pointer to ASCIIZ string

SEScreenMode

set the screen mode

Parameter:

A - mode (0 system, 1 user)

SEScreenPrintCharacter

print an ASCII character to the main display

Parameter:

A - ASCII code

SEScreenPrintString

print an ASCIIZ string to the main display

Parameter:

IX - pointer to ASCIIZ string