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Enable read/write breakpoints on DMA operations

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This commit is contained in:
Jeff Parsons 2014-12-27 22:52:18 -08:00 • committed by jeffpar
commit 7753bce94c
5 changed files with 88 additions and 30 deletions
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14
modules/pcjs/lib/fdc.js
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@ -2204,11 +2204,10 @@ FDC.prototype.doRead = function(drive)
*/
drive.resCode = FDC.REG_DATA.RES.NOT_READY | FDC.REG_DATA.RES.INCOMPLETE;
if (DEBUG && this.messageEnabled()) {
this.messagePrint("FDC.doRead(" + drive.bCylinder + ":" + drive.bHead + ":" + drive.bSector + ":" + drive.nBytes + ")");
}
if (drive.disk) {
if (DEBUG && this.messageEnabled()) {
this.messagePrint("FDC.doRead(CHS=" + drive.bCylinder + ':' + drive.bHead + ':' + drive.bSector + ",LBA=" + (drive.bCylinder * (drive.disk.nHeads * drive.disk.nSectors) + drive.bHead * drive.disk.nSectors + drive.bSector-1) + ')');
}
drive.sector = null;
drive.resCode = FDC.REG_DATA.RES.NONE;
if (this.chipset) {
@ -2228,11 +2227,10 @@ FDC.prototype.doWrite = function(drive)
{
drive.resCode = FDC.REG_DATA.RES.NOT_READY | FDC.REG_DATA.RES.INCOMPLETE;
if (DEBUG && this.messageEnabled()) {
this.messagePrint("FDC.doWrite(" + drive.bCylinder + ":" + drive.bHead + ":" + drive.bSector + ":" + drive.nBytes + ")");
}
if (drive.disk) {
if (DEBUG && this.messageEnabled()) {
this.messagePrint("FDC.doWrite(CHS=" + drive.bCylinder + ':' + drive.bHead + ':' + drive.bSector + ",LBA=" + (drive.bCylinder * (drive.disk.nHeads * drive.disk.nSectors) + drive.bHead * drive.disk.nSectors + drive.bSector-1) + ')');
}
if (drive.disk.fWriteProtected) {
drive.resCode = FDC.REG_DATA.RES.NOT_WRITABLE | FDC.REG_DATA.RES.INCOMPLETE;
return;