| 13,23 → 13,23 |
|---|
| |
| section .text ; all goes into code segment |
| |
| jmp short skipsig |
| ; offset |
| SIG1 dw 0x1983 ; +0 |
| SIG2 dw 0x1985 ; +2 |
| SIG3 dw 0x2017 ; +4 |
| SIG4 dw 0x2019 ; +6 |
| |
| SIG1 dw 0x1983 |
| SIG2 dw 0x1985 |
| SIG3 dw 0x2017 |
| SIG4 dw 0x2019 |
| ; environment segment - this is updated by SvarCOM at init time |
| ENVSEG dw 0 ; +8 |
| |
| ; service routine: used by the transient part of svarcom, returns: |
| ; AX = offset of input buffer history block |
| ; BX = offset where environment's segment is stored (patched at install time) |
| inputroutine: |
| mov ax, BUF000 |
| mov bx, ENVSEG |
| retf |
| ; input buffer used for the "previous command" history |
| BUF000 db 128, 0 ; +0Ah |
| BUF064 db "0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF" |
| BUF128 db "0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF" |
| |
| skipsig: |
| |
| skipsig: ; +8Ch |
| |
| ; set up CS=DS=SS and point SP to my private stack buffer |
| mov ax, cs |
| mov ds, ax |
| 38,7 → 38,8 |
|---|
| mov sp, STACKPTR |
| |
| ; prepare the exec param block |
| ;mov [EXEC_PARAM_REC], word 0 |
| mov ax, [ENVSEG] |
| mov [EXEC_PARAM_REC], ax |
| mov ax, COMSPEC |
| mov [EXEC_PARAM_REC+2], ax |
| mov [EXEC_PARAM_REC+4], ds |
| 83,15 → 84,7 |
|---|
| COMSPEC db "C:\SVN\SVARDOS\SVARCOM\COMMAND.COM" |
| COMSPCZ db 0 |
| |
| ; input buffer used for the "previous command" history |
| BUF000 db 128, 0 |
| BUF064 db "0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF" |
| BUF128 db "0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF" |
| |
| ; FreeDOS int 21h functions that I use require at least 32 bytes of stack, |
| ; here I allocate 64 bytes to be sure |
| STACKBUF db "0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF" |
| STACKPTR db "xx" |
| |
| ; environment segment - this is updated by SvarCOM at init time |
| ENVSEG dw 0 |