- // DOSLIB: check our environment\r
- probe_dos();\r
-\r
- // DOSLIB: what CPU are we using?\r
- // NTS: I can see from the makefile Sparky4 intends this to run on 8088 by the -0 switch in CFLAGS.\r
- // So this code by itself shouldn't care too much what CPU it's running on. Except that other\r
- // parts of this project (DOSLIB itself) rely on CPU detection to know what is appropriate for\r
- // the CPU to carry out tasks. --J.C.\r
- cpu_probe();\r
-\r
- // DOSLIB: check for VGA\r
- if (!probe_vga()) {\r
- printf("VGA probe failed\n");\r
- return;\r
- }\r
- // hardware must be VGA or higher!\r
- if (!(vga_state.vga_flags & VGA_IS_VGA)) {\r
- printf("This program requires VGA or higher graphics hardware\n");\r
- return;\r
- }\r