segregs.ds = FP_SEG(inf); regs.x.dx = FP_OFF(inf); segregs.es = FP_SEG(outf); regs.x.di = FP_OFF(outf); regs.h.ah=0x56; int86x(0x21,®s,®s,&segregs);
if ((regs.x.cflag & 0x01) == 0) return(regs.x.ax); else
}
Memory Access
48 Allocate specified number of paragraphs memory
| Entry Parameters: | AH = 48 |
|
| BX = number of segment |
| Returned Values: | AX = seg addr of block allocated Error |
|
| code, if carry flag set |
|
| BX = largest available block (on failure) |
49 | Free allocated memory | |
| Entry Parameters: | AH = 49 |
|
| ES = seg of block to free |
| Returned Values: | AX = error code, if carry flag is set |
|
| BX = largest available block (on failure) |
4A | Modify allocated block | |
| Entry Parameters: | ES = seg of the block to modify |
|
| BX = The new number of segs wanted |
| Returned Values: | AX = error code, if carry flag is set |
|
| BX = largest available block (on failure), |
|
| if carry flag is set |
