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- ************************************************************************
- *
- * alibtest.asm -- Asm example that calls the Sample.library functions
- *
- * Copyright (c) 1990 Commodore-Amiga, Inc.
- *
- * This example is provided in electronic form by Commodore-Amiga, Inc. for
- * use with the 1.3 revisions of the Addison-Wesley Amiga reference manuals.
- * The 1.3 Addison-Wesley Amiga Reference Manual series contains additional
- * information on the correct usage of the techniques and operating system
- * functions presented in this example. The source and executable code of
- * this example may only be distributed in free electronic form, via bulletin
- * board or as part of a fully non-commercial and freely redistributable
- * diskette. Both the source and executable code (including comments) must
- * be included, without modification, in any copy. This example may not be
- * published in printed form or distributed with any commercial product.
- * However, the programming techniques and support routines set forth in
- * this example may be used in the development of original executable
- * software products for Commodore Amiga computers.
- * All other rights reserved.
- * This example is provided "as-is" and is subject to change; no warranties
- * are made. All use is at your own risk. No liability or responsibility
- * is assumed.
- *
- * Linkage Info:
- * FROM Astartup.obj, alibtest.o
- * LIBRARY LIB:amiga.lib, LIB:sample.lib
- * TO ALibTest
- *
- ************************************************************************
-
-
- INCLUDE "exec/types.i"
- INCLUDE "exec/libraries.i"
-
- INCLUDE "asmsupp.i"
- INCLUDE "samplebase.i"
-
- ABSEXECBASE EQU 4
-
- XDEF _main
-
- XREF _printf
- XREF _LVODouble
- XREF _LVOAddThese
-
- XLIB OpenLibrary
- XLIB CloseLibrary
-
- section code
- _main:
- ;------ open the test library: this will bring it in from disk
- move.l ABSEXECBASE,a6
- lea sampleName(pc),a1
- moveq #0,d0
- jsr _LVOOpenLibrary(a6)
-
- tst.l d0
- bne.s 1$
-
- ;------ couldn't find the library
- pea sampleName(pc)
- pea nolibmsg(pc)
- jsr _printf
- addq.l #8,sp
-
- bra main_end
-
- 1$:
- move.l d0,a6 ;sample.library base to a6
-
- ;------ print the library name, version, and revision
- clr.l d0
- move.w LIB_REVISION(a6),d0
- move.l d0,-(sp)
- move.w LIB_VERSION(a6),d0
- move.l d0,-(sp)
- move.l LN_NAME(a6),-(sp)
- pea verRevMsg(pc)
- jsr _printf ;call Amiga.lib printf
- adda.l #16,sp ;fix 4 long stack pushes
-
- ;------ call the first test function
- moveq #-7,d0
- jsr _LVODouble(a6)
- move.l d0,-(sp)
- pea doubleMsg(pc)
- jsr _printf
- lea 8(sp),sp ;fix 2 long stack pushes
-
- ;------ call the second test function
- moveq #21,d0
- moveq #4,d1
- jsr _LVOAddThese(a6)
- move.l d0,-(sp)
- pea addTheseMsg(pc)
- jsr _printf
- lea 8(sp),sp
-
- ;------ close the library
- move.l a6,a1
- move.l ABSEXECBASE,a6
- jsr _LVOCloseLibrary(a6)
-
- main_end:
- rts
-
- sampleName: SAMPLENAME
- nolibmsg: dc.b 'can not open library "%s"',10,0
- doubleMsg: dc.b 'Function Double(-7) returned %ld',10,0
- addTheseMsg: dc.b 'Function AddThese(21,4) returned %ld',10,0
- verRevMsg: dc.b '%s Version %ld Revision %ld',10,0
- END
-