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Add 68000 support

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This commit is contained in:
Laurent Vivier 2005-05-17 23:28:33 +00:00
parent d6f85543c3
commit f6bbf7d936
1 changed files with 30 additions and 1 deletions
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31
second/glue.S
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@ -40,7 +40,11 @@ glue_display_properties:
* return; * return;
*/ */
#if defined(68000_SUPPORT)
cmpa.l #0, %a0
#else
tst.l %a0 tst.l %a0
#endif
jbeq .exit jbeq .exit
move.l (%a0),%a0 move.l (%a0),%a0
tst.l 22(%a0) tst.l 22(%a0)
@ -114,18 +118,43 @@ glue_display_properties:
move.l -4(%a6),%a0 move.l -4(%a6),%a0
move.w 6(%a0),%d0 move.w 6(%a0),%d0
#if defined(68000_SUPPORT)
/* add 68000 support,
*
* row_bytes can be stored on a short
*
*/
move.l (%a5), %d1
muls %d1, %d0
#else
ext.l %d0 ext.l %d0
muls.l (%a5),%d0 muls.l (%a5),%d0
#endif
add.l %d0,(%a3) add.l %d0,(%a3)
/* (*base) += pm->bounds.left * ((*depth) >> 3); */ /* (*base) += pm->bounds.left * ((*depth) >> 3); */
move.l -4(%a6),%a0 move.l -4(%a6),%a0
move.w 8(%a0),%d1 move.w 8(%a0),%d1
ext.l %d1
move.l (%a4),%d0 move.l (%a4),%d0
lsr.l #3,%d0 lsr.l #3,%d0
#if defined(68000_SUPPORT)
/* add 68000 support,
*
* NOTE: depth can be stored on a short
*
*/
muls %d0, %d1
#else
ext.l %d1
muls.l %d0,%d1 muls.l %d0,%d1
#endif
add.l %d1,(%a3) add.l %d1,(%a3)
.exit: .exit: