https://www.jpsdomain.org/tags/reboot/index.html Hugo en-us https://www.jpsdomain.org/source/rebt-src/index.html Mon, 01 Jan 0001 00:00:00 +0000 https://www.jpsdomain.org/source/rebt-src/index.html Source Source Code for programs that reboot your PC. I plan to move this to https://github.com/vossenjp/ at some point… Reboot.c #define MAGIC 0 /* for cold restart */ /* #define MAGIC 0x1234 /* for warm restart */ #define BOOT_SEG 0xffffL #define BOOT_OFF 0x0000L #define BOOT_ADR ((BOOT_SEG << 16) | BOOT_OFF) #define DOS_SEG 0x0040L #define RESET_FLAG 0x0072L #define RESET_ADR ((DOS_SEG << 16) | RESET_FLAG) main() { void ((far *fp)()) = (void (far *)()) BOOT_ADR; *(int far *)RESET_ADR = MAGIC; (*fp)(); return 0; /* never gets here, but keeps compiler happy */ } Reboot.bas REM From PC Mag, Vol11 Number 5 DECLARE SUB ReBoot (Warm%) CALL ReBoot(1) 'be sure to save this program before running it! SUB ReBoot (Warm%) STATIC IF Warm% THEN 'if they want a warm boot DEF SEG = 0 'assign the value 1234 Hex POKE &H473, &H12 'to address 0000:0473 Hex POKE &H472, &H34 END IF DEF SEG = &HFFFF 'either way call the BIOS CALL Absolute(0) 'routine at FFFF:0000 Hex END SUB Assembly To use these “scripts” cut&paste the source into a file, then issue the following command “debug < cldboot.scr”.