/* Project 16 Source Code~
- * Copyright (C) 2012-2016 sparky4 & pngwen & andrius4669 & joncampbell123
+ * Copyright (C) 2012-2022 sparky4 & pngwen & andrius4669 & joncampbell123 & yakui-lover
*
* This file is part of Project 16.
*
*/
/* tab size = 8 */
-#include "src/lib/wcpu/wcpu.h"
+#include "src/lib/wcpu/16_wcpu.h"
-byte detectcpu()
+void main(int argc, char **argv)
{
- byte cputype;
- __asm
- {
- PUSHF ; we gonna modify flags, so back them up
- ; first check if its 8086/8088 or 80186/80188
- PUSHF ; FLAGS -> STACK
- POP AX ; STACK -> AX
- AND AX, 00FFFh ; clear 12-15 bits (they are always 1 on 8086/8088 and 80186/80188)
- PUSH AX ; AX -> STACK
- POPF ; STACK -> FLAGS
- ; this is where magic happen
- PUSHF ; FLAGS -> STACK
- POP AX ; STACK -> AX
- AND AX, 0F000h ; 0-11 bits aren't important to us
- CMP AX, 0F000h ; check if all 12-15 bits are set (simple comparision)
- JNE _286p ; if no, 286+ CPU
- MOV cputype, 0 ; if yes, we are done, set cputype to 0 and end this
- JMP _done
- _286p:
- ; now check if its 286 or newer
- PUSHF ; FLAGS -> STACK
- POP AX ; STACK -> AX
- OR AX, 07000h ; set 12-14 bits (they are always cleared by 286 if its real mode)
- PUSH AX ; AX -> STACK
- POPF ; STACK -> FLAGS
- ; this is where magic happen
- PUSHF ; FLAGS -> STACK
- POP AX ; STACK -> AX
- TEST AX, 07000h ; check if at least 1 bit in 12-14 bits range is set (15th won't be set anyway)
- JNZ _386p ; not all bits clear, its 386+
- MOV cputype, 1 ; all bits clear, its 286, we are done
- JMP _done
- _386p:
- MOV cputype, 2 ; its 386 or newer, but we don't care if its newer at this point
- _done:
- POPF ; restore flags we backed up earlier
- }
- return cputype;
-}
-
-#ifdef TEST
-int main(int argc, char **argv)
-{
- const char *cpus;
- unsigned char cput;
+ /*const char *cpus, *fpus;
+ unsigned char cput, fput;
- cput = detectcpu();
+ cput = WCPU_detectcpu();
+ fput = WCPU_detectfpu();
switch(cput)
{
case 0: cpus = "8086/8088 or 186/88"; break;
case 2: cpus = "386 or newer"; break;
default: cpus = "internal error"; break;
}
+
+ switch(fput)
+ {
+ case 0: fpus = "none"; break;
+ case 1: fpus = "8087"; break;
+ default: fpus = "internal error"; break;
+ }
printf("detected CPU type: %s\n", cpus);
- return 0;
+ printf("detected FPU type: %s\n", fpus);*/
+ WCPU_cpufpumesg();
+ //if (cpu_flags & CPU_FLAG_FPU) printf(" - With FPU\n");
}
-#endif
-