dos backend partial rewrite starting with DPMI

[dosdemo] / src / dos / watdpmi.c

diff --git a/src/dos/watdpmi.c b/src/dos/watdpmi.c
deleted file mode 100644 (file)
index 04d7b94..0000000
--- a/src/dos/watdpmi.c
+++ /dev/null
@@ -1,59 +0,0 @@
-#ifdef __WATCOMC__
-#include "cdpmi.h"
-
-void dpmi_real_int(int inum, struct dpmi_real_regs *regs)
-{
-       unsigned char int_num = (unsigned char)inum;
-       __asm {
-               mov eax, 0x300
-               mov edi, regs
-               mov bl, int_num
-               mov bh, 0
-               xor ecx, ecx
-               int 0x31
-       }
-}
-
-void *dpmi_mmap(uint32_t phys_addr, unsigned int size)
-{
-       uint16_t mem_high, mem_low;
-       uint16_t phys_high = phys_addr >> 16;
-       uint16_t phys_low = phys_addr & 0xffff;
-       uint16_t size_high = size >> 16;
-       uint16_t size_low = size & 0xffff;
-       unsigned int err, res = 0;
-
-       __asm {
-               mov eax, 0x800
-               mov bx, phys_high
-               mov cx, phys_low
-               mov si, size_high
-               mov di, size_low
-               int 0x31
-               add res, 1
-               mov err, eax
-               mov mem_high, bx
-               mov mem_low, cx
-       }
-
-       if(res == 2) {
-               return 0;
-       }
-       return (void*)(((uint32_t)mem_high << 16) | ((uint32_t)mem_low));
-}
-
-void dpmi_munmap(void *addr)
-{
-       uint16_t mem_high = (uint32_t)addr >> 16;
-       uint16_t mem_low = (uint16_t)addr;
-
-       __asm {
-               mov eax, 0x801
-               mov bx, mem_high
-               mov cx, mem_low
-               int 0x31
-       }
-}
-#else
-int stop_gcc_crying_about_empty_translation_units = 0;
-#endif /* __WATCOM__ */