added comments in BIOS code

This commit is contained in:
Stanislav Shwartsman 2012-07-11 19:16:23 +00:00
parent bafde35c9c
commit 24edf649eb
1 changed files with 5 additions and 2 deletions

View File

@ -3873,12 +3873,15 @@ BX_DEBUG_INT15("int15 AX=%04x\n",regs.u.r16.ax);
break;
case 0x80:
/* Device open */
case 0x81:
/* Device close */
case 0x82:
/* Program termination */
case 0x90:
/* Device busy interrupt. Called by Int 16h when no key available */
/* Device busy interrupt. Called by Int 16h when no key available */
case 0x91:
/* Interrupt complete. Called by IRQ handlers */
/* Interrupt complete. Called by IRQ handlers */
CLEAR_CF();
regs.u.r8.ah = 0; // "operation success"
break;