Mercurial > repos > blastem
view test_x86.c @ 478:2e4a4188cfb0
Fix DMA fill so that it does not cause observable changes to the FIFO. Get DMA copy mostly correct from an observable ffect perspective. DMA copy probably does not reflect internal implementation still given that evidence seems to suggest no FIFO usage at all.
| author | Mike Pavone <pavone@retrodev.com> |
|---|---|
| date | Tue, 17 Sep 2013 00:11:45 -0700 |
| parents | 140af5509ce7 |
| children | 9b7fcf748be0 |
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/* Copyright 2013 Michael Pavone This file is part of BlastEm. BlastEm is free software distributed under the terms of the GNU General Public License version 3 or greater. See COPYING for full license text. */ #include "gen_x86.h" #include "m68k_to_x86.h" #include <stdio.h> #include <stddef.h> int main(int argc, char ** argv) { uint8_t foo[512]; uint8_t *cur = foo, *end; cur = mov_rr(cur, RAX, RBX, SZ_B); cur = mov_rr(cur, RCX, RDX, SZ_B); cur = mov_rr(cur, R8, R9, SZ_B); cur = mov_rr(cur, R8, RAX, SZ_B); cur = mov_rr(cur, RAX, RBX, SZ_W); cur = mov_rr(cur, R11, R12, SZ_W); cur = mov_rr(cur, RAX, RBX, SZ_D); cur = mov_rr(cur, RAX, RBX, SZ_Q); cur = mov_ir(cur, 5, RAX, SZ_D); cur = mov_ir(cur, 3, R8, SZ_D); cur = mov_ir(cur, 4, RSP, SZ_B); cur = add_rr(cur, RAX, RBX, SZ_D); cur = add_ir(cur, 5, RAX, SZ_B); cur = add_ir(cur, 5, RBX, SZ_B); cur = add_ir(cur, 5, RBP, SZ_B); cur = pushf(cur); cur = popf(cur); cur = setcc_r(cur, CC_S, RBX); cur = setcc_r(cur, CC_Z, RDX); cur = setcc_r(cur, CC_O, BH); cur = setcc_r(cur, CC_C, DH); cur = setcc_rind(cur, CC_C, RSI); cur = mov_rrdisp8(cur, RCX, RSI, offsetof(m68k_context, dregs) + 4 * sizeof(uint32_t), SZ_D); cur = mov_rdisp8r(cur, RSI, offsetof(m68k_context, dregs) + 5 * sizeof(uint32_t), RCX, SZ_D); cur = mov_rrind(cur, DH, RSI, SZ_B); cur = jcc(cur, CC_NZ, -2); cur = jcc(cur, CC_Z, 0); cur = jcc(cur, CC_LE, 0x7CA); for (end = cur, cur = foo; cur != end; cur++) { printf(" %X", *cur); } puts(""); return 0; }