| 69,7 → 69,7 |
|---|
| mov dx, EXECPROG ; DS:DX - ASCIZ program name (preset at PSP[already) |
| mov bx, EXEC_PARAM_REC ; ES:BX - parameter block pointer |
| int 0x21 |
| mov [EXECPROG], byte 0 ; make sure to spawn command.com after app exits |
| mov [cs:EXECPROG], byte 0 ; do not run app again (+DS might have been changed) |
| |
| jmp short skipsig ; enforce valid ds/ss/etc (can be lost after int 21,4b) |
| |
| 102,8 → 102,7 |
|---|
| ; prepare the exec param block |
| mov ax, [PSP_ENVSEG] |
| mov [EXEC_PARAM_REC], ax |
| mov ax, CMDTAIL |
| mov [EXEC_PARAM_REC+2], ax |
| mov [EXEC_PARAM_REC+2], word CMDTAIL |
| mov [EXEC_PARAM_REC+4], cs |
| |
| ; execute command.com |
| 140,8 → 139,10 |
|---|
| jmp skipsig |
| |
| ; command.com tail arguments, in PSP format: length byte followed by args and |
| ; terminated with \r) |
| CMDTAIL db 0x00, 0x0D |
| ; terminated with \r) - a single 0x0A byte is passed so SvarCOM knows it is |
| ; called as respawn (as opposed to being invoked as a normal application) |
| ; this allows multiple copies of SvarCOM to stack upon each other. |
| CMDTAIL db 0x01, 0x0A, 0x0D |
| |
| ERRLOAD db "ERR x, FAILED TO LOAD COMMAND.COM", 13, 10, '$' |
| |