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| author | Christian A. Weber <chris@gna.ch> | 1992-04-16 23:00:42 +0000 |
|---|---|---|
| committer | Christian A. Weber <chris@gna.ch> | 1992-04-16 23:00:42 +0000 |
| commit | 02a2dcac1a41872e1fec6d3b37ddd7ecae57eae4 (patch) | |
| tree | 6c39deb2ce8713b42bad5917b870184ed1d73463 /CDTV.S | |
| parent | ab216e437899d244ad2ad43cdf2ad0b66b06ca42 (diff) | |
| download | gameexec-02a2dcac1a41872e1fec6d3b37ddd7ecae57eae4.tar.gz gameexec-02a2dcac1a41872e1fec6d3b37ddd7ecae57eae4.tar.bz2 gameexec-02a2dcac1a41872e1fec6d3b37ddd7ecae57eae4.zip | |
Initial revision
Diffstat (limited to 'CDTV.S')
| -rw-r--r-- | CDTV.S | 145 |
1 files changed, 145 insertions, 0 deletions
@@ -0,0 +1,145 @@ + + IDNT CDTV + SECTION text,CODE + + INCLUDE "MyExec.i" + INCLUDE "exec/macros.i" + INCLUDE "exec/io.i" + + XREF @CreateIO,@DeleteIO,_RawPrintfFunc + XDEF InitCDFunc,ExitCDFunc,PlayCDTrackFunc + XDEF WaitCDTrackFunc + +CD_PLAYTRACK: EQU 43 +CD_MUTE: EQU 56 + +***************************************************************************** +* CDTV-IORequest erstellen und Device öffnen + +InitCDFunc: movem.l d1/a0-a2/a6,-(SP) + + moveq.l #IOSTD_SIZE,d0 + bsr @CreateIO + move.l d0,CDIOReq + beq.s 1$ ; No mem ---> + movea.l d0,a2 + + moveq #0,d0 ; Unit + moveq #0,d1 ; Flags + lea CDTVName(PC),a0 + movea.l a2,a1 + movea.l 4,a6 + JSRLIB OpenDevice + tst.l d0 ; Device OK ? + beq.s 1$ ; yep ---> + bsr.s ExitCDFunc ; Sonst Request freigeben + bra.s 2$ +1$: + movea.l CDIOReq,a1 + move.w #CD_MUTE,IO_COMMAND(a1) + move.l #$7fff,IO_OFFSET(a1) + move.l #1,IO_LENGTH(a1) + move.l #0,IO_DATA(a1) + JSRLIB DoIO + + pea CDDevOKText(PC) + bsr _RawPrintfFunc + addq #4,SP +2$: + movem.l (SP)+,d1/a0-a2/a6 + rts + +***************************************************************************** +* CDTV-Resourcen wieder freigeben + +ExitCDFunc: movem.l d1-d2/a0-a1/a6,-(SP) + + move.l CDIOReq,d2 + beq.s 2$ + movea.l d2,a1 + tst.l IO_DEVICE(a1) + ble.s 1$ + movea.l 4,a6 + JSRLIB CloseDevice +1$: + movea.l d2,a1 ; IO-Request + bsr @DeleteIO ; freigeben + clr.l CDIOReq ; Wichtig! +2$: + movem.l (SP)+,d1-d2/a0-a1/a6 + rts + +***************************************************************************** +* CDTV-Track abspielen + +PlayCDTrackFunc: + movem.l d1-d3/a0-a1/a6,-(SP) + + move.l CDIOReq,-(SP) + move.l d0,-(SP) + pea PlayText(PC) + bsr _RawPrintfFunc + lea 12(SP),SP + + movea.l 4,a6 + move.l CDIOReq,d3 + beq.s 2$ + + ;; movea.l d3,a1 + ;; cmpi.w #CD_PLAYTRACK,IO_COMMAND(a1) ; Schon initialisiert ? + ;; bne.s 1$ ; nein ---> Nicht warten + ;; JSRLIB AbortIO + bsr.s WaitCDTrackFunc +1$: + movea.l d3,a1 + move.w #CD_PLAYTRACK,IO_COMMAND(a1) + move.l d0,IO_OFFSET(a1) ; Gewünschter Track + clr.l IO_LENGTH(a1) + clr.l IO_DATA(a1) + JSRLIB SendIO +2$: + movem.l (SP)+,d1-d3/a0-a1/a6 + rts + +***************************************************************************** +* Auf CD warten + +WaitCDTrackFunc: + movem.l d0-d3/a0-a1/a6,-(SP) + + movea.l 4,a6 + move.l CDIOReq,d3 + beq.s 2$ + + pea WaitText(PC) + bsr _RawPrintfFunc + addq #4,SP + + movea.l d3,a1 + cmpi.w #CD_PLAYTRACK,IO_COMMAND(a1) ; Schon initialisiert ? + bne.s 1$ ; nein ---> Nicht warten + JSRLIB WaitIO +1$: + pea WaitFinText(PC) + bsr _RawPrintfFunc + addq #4,SP +2$: + movem.l (SP)+,d0-d3/a0-a1/a6 + rts + +***************************************************************************** + +CDTVName: dc.b "cdtv.device",0 + +CDDevOKText: dc.b "CDTV device OK",13,10,0 +PlayText: dc.b "PlayCDTrack(%ld), req=$%08lx",13,10,0 +WaitText: dc.b "Waiting for audio to finish ... ",0 +WaitFinText: dc.b "Done.",13,10,0 + + EVEN + + SECTION bss,BSS +CDIOReq: ds.l 1 + + END + |