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Amiga Plus Special 25
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AMIGAplus Sonderheft 25 (2000)(Falke)(DE)(Track 1 of 4)[!].iso
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JSTExeHD
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AGA_2C_NFhd.asm
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Assembly Source File
|
2000-04-12
|
2KB
|
99 lines
; *** OSEmu AGA nofast
; *** Written by Jean-François Fabre 1999
include "syslibs.i"
include "jst.i"
HD_PARAMS "",0,0
MEM_SIZE = $200000
loader:
Mac_printf "Generic 2Meg chip/no fast/AGA OSEmu HD Loader"
Mac_printf "Coded by Jean-François Fabre © 1999"
JSRGEN CheckAGA
tst.l D0
bne AgaErr
JSRABS UseHarryOSEmu
JSRGEN GetUserData
tst.l (A0)
beq UDErr
move.l A0,D0
lea MAINFILE(pc),A0
move.l A0,D1
JSRGEN StrcpyAsm
TESTFILE MAINFILE
tst.l d0
bne FileErr
JSRABS LoadFiles
moveq.l #0,D0
move.l #CACRF_CopyBack,D1
JSRABS Degrade
GO_SUPERVISOR
SAVE_OSDATA MEM_SIZE,#$5D
MOVE.L $4.W,A6 ;OPEN DOSLIB FOR USE (THE EMU
;; or.w #AFF_68020,AttnFlags(A6)
; **** boot stuff and patch
MOVE.L $4.W,A6 ;OPEN DOSLIB FOR USE (THE EMU
MOVEQ.L #0,D0 ;PROVIDES THE FUNCTIONS)
LEA DOSNAM(PC),A1
JSRLIB OpenLibrary(A6)
LEA.L DOSP(PC),a4
MOVE.L d0,(a4)
MOVE.L D0,A6
LEA.L MAINFILE(PC),A0 ;LOAD MAIN GAME
MOVE.L A0,D1
JSRLIB LoadSeg
;NO NEED TO STORE POINTER FOR LATER USE
LSL.L #2,D0
MOVE.L D0,A1
ADDQ.L #4,A1
cmp.l #0,A1
beq LoadsegErr
SUB.L A0,A0
MOVEQ.L #0,D0 ; no pointer on argumentline
jsr (A1)
LoadsegErr
JSRGEN InGameExit
FileErr:
Mac_printf "File ",f
lea MAINFILE(pc),A1
JSRABS Display
Mac_printf " missing!"
JSRABS CloseAll
UDErr:
Mac_printf "** Executable program name must be passed in USERDATA"
JSRABS CloseAll
AgaErr:
Mac_printf "** You need a AGA computer to run this!"
JSRABS CloseAll
DOSP:
dc.l 0
DOSNAM:
dc.b "dos.library",0
MAINFILE:
blk.b 256,0