/* twodrive.c 7/11/2012 dwg - */

/* This program is experimental and is not for release because
   it contains techniques which are not recommended because
   there are better API functions to do these operations.       */


#include "cpmbios.h"
#include "bioscall.h"

#include "cpmbdos.h"
#include "bdoscall.h"

#define u8  unsigned char
#define u16 unsigned int

struct DPH * pDPH_C;
struct DPB * pDPB_C;
u8 * pDU_C;
u16 * pCUR_C;
u16 * pNUM_C;

struct DPH * pDPH_D;
struct DPB * pDPB_D;
u8 * pDU_D;
u16 * pCUR_D;
u16 * pNUM_D;

main(argc,argv)
	int argc;
	char *argv[];
{

	ireghl = pSELDSK;
	iregbc = DRIVEC;
	iregde = 0;
	bioscall();
	pDPH_C = ireghl;
	pDPB_C = pDPH_C->dpb;
	pDU_C  = ireghl -1;
	*pDU_C = 0X41;
	printf("Current C: DevUnit        is %02x\n",*pDU_C);
	pCUR_C = ireghl + 18;
	*pCUR_C = 0;
	printf("Current C: Logical Unit   is %d\n",* pCUR_C);
	pNUM_C = ireghl + 20;
	*pNUM_C = 64/9;
	printf("Current C: Number of LU's is %d\n",* pNUM_C);
	
	ireghl = pSELDSK;
	iregbc = DRIVED;
	iregde = 0;
	bioscall();
	pDPH_D = ireghl;
	pDPB_D = pDPH_D->dpb;
	pDU_D  = ireghl -1;
	*pDU_D = 0x41;
	printf("Current D: DevUnit        is %02x\n",*pDU_D);
	pCUR_D = ireghl + 18;
	*pCUR_D = 1;
	printf("Current D: Logical Unit   is %d\n",* pCUR_D);
	pNUM_D = ireghl + 20;
	*pNUM_D = 64/9;
	printf("Current D: Number of LU's is %d\n",* pNUM_D);
		

}