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Merge pull request #2922 from 86Box/tc1995

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IDE/ATAPI: Don't overwrite data in packet writes during Phase Data In.
This commit is contained in:
Miran Grča
2022-11-30 21:48:22 +01:00
committed by GitHub
parent 136db56b99 d05d988e34
commit 3c0d2aa7d3
1 changed files with 3 additions and 0 deletions
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3
src/disk/hdc_ide.c
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@@ -1150,6 +1150,9 @@ ide_atapi_packet_write(ide_t *ide, uint32_t val, int length)
bufferw = (uint16_t *) bufferb; bufferw = (uint16_t *) bufferb;
bufferl = (uint32_t *) bufferb; bufferl = (uint32_t *) bufferb;
if (dev->packet_status == PHASE_DATA_IN)
return;
switch (length) { switch (length) {
case 1: case 1:
bufferb[dev->pos] = val & 0xff; bufferb[dev->pos] = val & 0xff;