Mercurial > repos > blastem

comparison z80_to_x86.c @ 1048:05ecef6c73b6

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
More efficient register usage in 32-bit mode
author Michael Pavone <pavone@retrodev.com>
date Wed, 27 Jul 2016 23:08:05 -0700
parents 6b07af1515b5
children ef7ee9919a73
comparison
equal deleted inserted replaced
1047:6b07af1515b5 1048:05ecef6c73b6
2745 options->gen.scratch2 = R14; 2745 options->gen.scratch2 = R14;
2746 #else 2746 #else
2747 memset(options->regs, -1, sizeof(options->regs)); 2747 memset(options->regs, -1, sizeof(options->regs));
2748 options->regs[Z80_A] = RAX; 2748 options->regs[Z80_A] = RAX;
2749 options->regs[Z80_R] = AH; 2749 options->regs[Z80_R] = AH;
2750 options->regs[Z80_SP] = RBX; 2750 options->regs[Z80_H] = BH;
2751 options->regs[Z80_L] = RBX;
2752 options->regs[Z80_HL] = RBX;
2753
2754 options->regs[Z80_SP] = RDI;
2751 2755
2752 options->gen.scratch1 = RCX; 2756 options->gen.scratch1 = RCX;
2753 options->gen.scratch2 = RDX; 2757 options->gen.scratch2 = RDX;
2754 #endif 2758 #endif
2755 2759