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;LAST UPDATE: 01.12.2014 savelij
;==================ЧТЕНИЕ С DIVIDE ВИНТА======================
RD_HDDD PUSH BC
PUSH DE
CALL SETVREG
EX AF,AF'
LD C,PV1F7
LD A,0X20
OUT (C),A
LD C,PV1F7
HDVRD1 IN A,(C)
AND 0X88
CP 8
JR NZ,HDVRD1
EX AF,AF'
HDVRD2 EX AF,AF'
CALL READVSEC
LD C,PV1F7
HDVRD3 IN A,(C)
AND 0X80
JR NZ,HDVRD3
EX AF,AF'
DEC A
JR NZ,HDVRD2
EXITVHD POP DE
POP BC
LD A,B
AND 0X0F
LD B,A
XOR A
RET
SETVREG PUSH DE
LD D,B
LD E,C
LD BC,0XFF00+PV1F6
OUT (C),D
EX AF,AF'
LD C,PV1F7
SETVRE1 IN A,(C)
AND 0X80
JR NZ,SETVRE1
LD C,PV1F5
OUT (C),E
POP DE
LD C,PV1F4
OUT (C),D
LD C,PV1F3
OUT (C),E
LD C,PV1F2
EX AF,AF'
OUT (C),A
RET
;READ SECTOR (512 BYTES)
READVSEC LD A,0X40
LD C,PV1F0
READVSC1 REPT 8
INI
INC B
ENDM
DEC A
JR NZ,READVSC1
RET
;==================ЧТЕНИЕ С DIVIDE ВИНТА======================