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PC-DOS 7.00 SETUP is making progress, but XDF support is still lacking

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This commit is contained in:
Jeff Parsons 2014-10-22 00:37:31 -05:00 • committed by jeffpar
commit 3bbbd4e9b1
14 changed files with 648 additions and 570 deletions
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10
my_modules/pcjs-client/lib/fdc.js
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@ -1195,10 +1195,14 @@ FDC.prototype.mountDiskette = function(drive, disk, sDisketteName, sDiskettePath
if (disk) {
/*
* We shouldn't mount the diskette unless the drive is able to handle it; for example, DSDD (40-track)
* drives cannot read DSHD (80-track) diskettes.
* drives cannot read DSHD (80-track) diskettes. However, I no longer require that the diskette's
* sectors/track fall within the drive's standard maximum, because XDF diskettes use 19 physical sectors/track
* on the first cylinder (1 more than the typical 18 sectors/track found on 1.44Mb diskettes) but declare
* a larger logical size (23 512-byte sectors/track) to reflect the actual capacity of XDF tracks beyond the
* first cylinder (ie, one 8Kb sector, one 2Kb sector, one 1Kb sector, and one 512-byte sector).
*/
aDiskInfo = disk.info();
if (disk && aDiskInfo[0] > drive.nCylinders || aDiskInfo[1] > drive.nHeads || aDiskInfo[2] > drive.nSectors) {
if (disk && aDiskInfo[0] > drive.nCylinders || aDiskInfo[1] > drive.nHeads /* || aDiskInfo[2] > drive.nSectors */) {
this.notice("Diskette \"" + sDisketteName + "\" too large for drive " + String.fromCharCode(0x41 + drive.iDrive));
disk = null;
}
@ -2255,7 +2259,7 @@ FDC.prototype.intBIOSDiskette = function(addr)
{
if (DEBUGGER) {
var DL = this.cpu.regDX & 0xff;
if (this.dbg && (this.dbg.messageEnabled(FDC.MESSAGE_FDC) || this.dbg.messageEnabled(FDC.MESSAGE_INT)) && DL < 0x80) {
if (this.dbg && this.dbg.messageEnabled(FDC.MESSAGE_FDC | FDC.MESSAGE_INT) && DL < 0x80) {
this.dbg.messageInt(FDC.BIOS.INT_DISKETTE, addr);
this.cpu.addIntReturn(addr, function(fdc, nCycles) {
return function onBIOSDisketteReturn(nLevel) {