diff options
| author | Steven Fuller <relnev@icculus.org> | 2001-08-06 19:50:26 +0000 |
|---|---|---|
| committer | Patryk Obara <dreamer.tan@gmail.com> | 2019-08-20 02:22:36 +0200 |
| commit | 0770c95c17191b8945695eb5c27c11d279e3c1b9 (patch) | |
| tree | ae08d9afa6e83bbeeb586b21bb9823f43e93cdc6 /src/math.asm | |
| parent | 12c6a39177837a5c4dc8928a78140b4c3bb8f47a (diff) | |
Moved TranslatePoint into a separate file.
Implemented most of the main loop in main.c.
Game now seems to run OK. Need to write texture code and then add OpenGL.
Diffstat (limited to 'src/math.asm')
| -rw-r--r-- | src/math.asm | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/src/math.asm b/src/math.asm new file mode 100644 index 0000000..555b289 --- /dev/null +++ b/src/math.asm @@ -0,0 +1,52 @@ +BITS 32 +SECTION .text + +GLOBAL TranslatePoint_Asm + +; float *source, float *dest, float *matrix +; "S" (source), "b" (dest), "d" (matrix) +TranslatePoint_Asm: + fld dword [esi] + fmul dword [edi] + fld dword [esi+4] + fmul dword [edi+4] + fld dword [esi+8] + fmul dword [edi+8] + fxch st1 + faddp st2, st0 + fld dword [esi] + fmul dword [edi+16] + fxch st1 + faddp st2, st0 + fld dword [esi+4] + fmul dword [edi+20] + fld dword [esi+8] + fmul dword [edi+24] + fxch st1 + faddp st2, st0 + fld dword [esi] + fmul dword [edi+32] + fxch st1 + faddp st2, st0 + fld dword [esi+4] + fmul dword [edi+36] + fld dword [esi+8] + fmul dword [edi+40] + fxch st1 + faddp st2, st0 + fxch st3 + fadd dword [edi+12] + fxch st1 + faddp st3, st0 + fxch st1 + fadd dword [edi+28] + fxch st2 + fadd dword [edi+44] + fxch st1 + fstp dword [ebx] + fxch st1 + fstp dword [ebx+4] + fstp dword [ebx+8] + + ret +
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