| 
 | Check for auxiliary carry flag in trealregs. | |
| 
 | Check for carry flag in trealregs. | |
| 
 | Check for direction flag in trealregs. | |
| 
 | Fill a region of DOS memory with a specific byte-sized value. | |
| 
 | Fill a region of DOS memory with a specific word-sized value. | |
| 
 | Copy data from DOS memory to the heap. | |
| 
 | Move data between 2 DOS real mode memory locations. | |
| 
 | Copy data from the heap to DOS real mode memory. | |
| 
 | Check for interrupt flag in trealregs. | |
| 
 | Check for overflow flag in trealregs. | |
| 
 | Check for parity flag in trealregs. | |
| 
 | get_run_mode return value: DPMI (e.g. dos box or 386Max). | |
| 
 | get_run_mode return value: raw (without HIMEM). | |
| 
 | get_run_mode return value: Unknown runmode. | |
| 
 | get_run_mode return value: VCPI (with HIMEM and EMM386). | |
| 
 | get_run_mode return value: XMS (with HIMEM, without EMM386). | |
| 
 | Check for sign flag in trealregs. | |
| 
 | Check for trap flag in trealregs. | |
| 
 | Check for zero flag in trealregs. |