+\r
+ // 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
+ VGAmodeX(1, 1, &gvar);\r
+// __asm{\r
+// mov AH,12H\r
+// mov BL,30h\r
+// mov AL,04h\r
+// int 10\r
+// mov ax,1123h\r
+// int 10h\r
+// ;mov ax,1112h ; load 8x8 character set into RAM\r
+// ;int 10h\r
+// }\r