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minor tweak (nw)

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This commit is contained in:
David Haywood 2013-10-07 21:17:08 +00:00
parent 1fc225121b
commit 5479cad01a
1 changed files with 4 additions and 2 deletions
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6
src/mame/machine/igs022.c
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@ -69,9 +69,11 @@ void igs022_device::IGS022_do_dma(UINT16 src, UINT16 dst, UINT16 size, UINT16 mo
*/
param = mode >> 8;
if (mode & 0x00f0) printf("IGS022_do_dma mode bits %04x set\n", mode & 0x00f0);
mode &=0xf; // what are the other bits?
// the initial DMA on kilbld has 0x10 set, drgw3 has 0x18 set, not sure how they affect the operation.
if (mode & 0x00f8) printf("IGS022_do_dma mode bits %04x set\n", mode & 0x00f8);
mode &=0x7; // what are the other bits?
if ((mode == 0) || (mode == 1) || (mode == 2) || (mode == 3) || (mode == 4))