33 	v86.ctl = V86_FLAGS;  in drvsize()
34 	v86.addr = 0x13;  in drvsize()
35 	v86.eax = 0x4800;  in drvsize()
36 	v86.edx = dskp->drive;  in drvsize()
37 	v86.ds = VTOPSEG(&params);  in drvsize()
38 	v86.esi = VTOPOFF(&params);  in drvsize()
40 	if (V86_CY(v86.efl)) {  in drvsize()
41 		printf("error %u\n", v86.eax >> 8 & 0xff);  in drvsize()
61 	v86.ctl = V86_FLAGS;  in drvread()
62 	v86.addr = 0x13;  in drvread()
63 	v86.eax = 0x4200;  in drvread()
64 	v86.edx = dskp->drive;  in drvread()
65 	v86.ds = VTOPSEG(&packet);  in drvread()
66 	v86.esi = VTOPOFF(&packet);  in drvread()
68 	if (V86_CY(v86.efl)) {  in drvread()
70 		    BOOTPROG, v86.eax >> 8 & 0xff, lba);  in drvread()
86 	v86.ctl = V86_FLAGS;  in drvwrite()
87 	v86.addr = 0x13;  in drvwrite()
88 	v86.eax = 0x4300;  in drvwrite()
89 	v86.edx = dskp->drive;  in drvwrite()
90 	v86.ds = VTOPSEG(&packet);  in drvwrite()
91 	v86.esi = VTOPOFF(&packet);  in drvwrite()
93 	if (V86_CY(v86.efl)) {  in drvwrite()
94 		printf("error %u lba %llu\n", v86.eax >> 8 & 0xff, lba);  in drvwrite()