Encounter/code/loader_api.s at master · Dhebug/Encounter · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
;
; Small code to implement the loading of data while a program is running.
; What it does is to call the loader module, it abstracts the actual loader implementation
;
	;.bss

_LoadApiInitializeFileFromDirectory    = $FFDE
_LoadApiLoadFileFromDirectory		   = $FFE1
_LoadApiSaveFileFromDirectory	       = $FFE4

_LoaderApiEntryIndex	   =$FFE7 ; ID of the file to load
_LoaderApiSystemType       =$FFE8 ; 0=Microdisc, 1=Jasmin

_LoaderApiLoadingAnimation =$FFE9
_LoaderApiSaveData	       =$FFEC

_LoaderApiFileStartSector  =$FFEF
_LoaderApiFileStartTrack   =$FFF0

_LoaderApiFileSize         =$FFF1
_LoaderApiFileSizeLow 	   =$FFF1
_LoaderApiFileSizeHigh 	   =$FFF2

_LoaderApiJump		       =$FFF3
_LoaderApiAddress          =$FFF4
_LoaderApiAddressLow 	   =$FFF4
_LoaderApiAddressHigh 	   =$FFF5

_LoaderFDCRegisterOffset   =$FFF6

_LoaderApiLoadFile		   =$FFF7

	.text

;
; Include the directory information from the floppy builder generated file
;
#define ASSEMBLER
#include "../build/floppy_description.h"       ; This file is generated by the floppy builder