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Diffstat (limited to 'scaf/system/scafmacro.s')
| -rw-r--r-- | scaf/system/scafmacro.s | 487 |
1 files changed, 487 insertions, 0 deletions
diff --git a/scaf/system/scafmacro.s b/scaf/system/scafmacro.s new file mode 100644 index 0000000..04e6537 --- /dev/null +++ b/scaf/system/scafmacro.s @@ -0,0 +1,487 @@ + # Pure Data Packet - scaf assembler macros. + # Copyright (c) by Tom Schouten <pdp@zzz.kotnet.org> + # + # This program is free software; you can redistribute it and/or modify + # it under the terms of the GNU General Public License as published by + # the Free Software Foundation; either version 2 of the License, or + # (at your option) any later version. + # + # This program is distributed in the hope that it will be useful, + # but WITHOUT ANY WARRANTY; without even the implied warranty of + # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + # GNU General Public License for more details. + # + # You should have received a copy of the GNU General Public License + # along with this program; if not, write to the Free Software + # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + # + + + # this file contains pure asm macros. it is to be included before assembly + # after scaforth.pl has processed the .scaf file + + # *************************** JMP CALL RET ************************************** + # j c r + + .macro j address + jmp \address + .endm + + .macro c address + call \address + .endm + + .macro r + ret + .endm + + + # *************************** CA CELL ACCESS MACROS ***************************** + # dropldTL - dropldBR + + # shift / load rectangle macros: + + # shift rectangle horizontal + # result is in reg1 + .macro shift reg1 reg2 count + psllq $(16-\count), \reg1 + psrlq $(16+\count), \reg2 + psrlq $32, \reg1 + psllq $32, \reg2 + por \reg2, \reg1 + .endm + + .macro ldtop reg1 reg2 + movq (%edi), \reg1 + movq 8(%edi), \reg2 + .endm + + .macro ldcenter reg1 reg2 + movq 8(%edi), \reg1 + movq 16(%edi), \reg2 + .endm + + .macro ldbottom reg1 reg2 + movq 16(%edi), \reg1 + movq 24(%edi), \reg2 + .endm + + + # dropld from top row + + # dropld the top left square + .macro dropldTL + ldtop %mm0, %mm1 + shift %mm0, %mm1, -1 + .endm + + # dropld the top mid square + .macro dropldTM + ldtop %mm0, %mm1 + shift %mm0, %mm1, 0 + .endm + + # dropld the top right square + .macro dropldTR + ldtop %mm0, %mm1 + shift %mm0, %mm1, 1 + .endm + + + + # dropld from center row + + # dropld the mid left square + .macro dropldML + ldcenter %mm0, %mm1 + shift %mm0, %mm1, -1 + .endm + + # dropld the mid mid square + .macro dropldMM + ldcenter %mm0, %mm1 + shift %mm0, %mm1, 0 + .endm + + # dropld the mid right square + .macro dropldMR + ldcenter %mm0, %mm1 + shift %mm0, %mm1, 1 + .endm + + + + + + # dropld from bottom row + + # dropld the bottom left square + .macro dropldBL + ldbottom %mm0, %mm1 + shift %mm0, %mm1, -1 + .endm + + # dropld the bottom mid square + .macro dropldBM + ldbottom %mm0, %mm1 + shift %mm0, %mm1, 0 + .endm + + # dropld the bottom right square + .macro dropldBR + ldbottom %mm0, %mm1 + shift %mm0, %mm1, 1 + .endm + + + + # *************************** CA STACK MANIP MACROS ***************************** + # these are the only asm macros that have a stack effect other than + # just replacing the TOS + # + # dup drop dropdup swap nip dropover + + .macro dup + lea -8(%esi), %esi + movq %mm0, (%esi) + .endm + + .macro drop + movq (%esi), %mm0 + lea 8(%esi), %esi + .endm + + .macro dropdup + movq (%esi), %mm0 + .endm + + .macro nipdup + movq %mm0, (%esi) + .endm + + .macro swap + movq (%esi), %mm1 + movq %mm0, (%esi) + movq %mm1, %mm0 + .endm + + .macro nip + lea 8(%esi), %esi + .endm + + .macro dropover + movq 8(%esi), %mm0 + .endm + + + # *************************** CA BOOLEAN LOGIC MACROS ***************************** + # overxor overand overor not + + .macro overxor + pxor (%esi), %mm0 + .endm + + .macro overand + pand (%esi), %mm0 + .endm + + .macro overor + por (%esi), %mm0 + .endm + + .macro not + pxor %mm3, %mm0 + .endm + + + + # *************************** CONSTANTS ***************************** + # dropzero dropone + + .macro dropzero + pxor %mm0, %mm0 + .endm + + .macro dropone + pcmpeqw %mm0, %mm0 + .endm + + + # *************************** 4 BIT REG ACCESS ****************************** + # dupsta0 - dupsta4 droplda0 - droplda4 + # store bit in accumulator + + # bit store + + .macro dupsta0 + movq %mm0, %mm4 + .endm + + .macro dupsta1 + movq %mm0, %mm5 + .endm + + .macro dupsta2 + movq %mm0, %mm6 + .endm + + .macro dupsta3 + movq %mm0, %mm7 + .endm + + # load bit from accumulator + + .macro droplda0 + movq %mm4, %mm0 + .endm + + .macro droplda1 + movq %mm5, %mm0 + .endm + + .macro droplda2 + movq %mm6, %mm0 + .endm + + .macro droplda3 + movq %mm7, %mm0 + .endm + + + # *************************** LOAD 4 BIT CONSTANT IN REG ****************************** + # a0000 - a1111 + + .macro ldbit0 value + .ifeq \value + movq %mm1, %mm4 + .else + movq %mm3, %mm4 + .endif + .endm + + .macro ldbit1 value + .ifeq \value + movq %mm1, %mm5 + .else + movq %mm3, %mm5 + .endif + .endm + + .macro ldbit2 value + .ifeq \value + movq %mm1, %mm6 + .else + movq %mm3, %mm6 + .endif + .endm + + .macro ldbit3 value + .ifeq \value + movq %mm1, %mm7 + .else + movq %mm3, %mm7 + .endif + .endm + + .macro ldbin b3 b2 b1 b0 + pxor %mm1, %mm1 + ldbit0 \b0 + ldbit1 \b1 + ldbit2 \b2 + ldbit3 \b3 + .endm + + .macro a0000 + ldbin 0 0 0 0 + .endm + + .macro a0001 + ldbin 0 0 0 1 + .endm + + .macro a0010 + ldbin 0 0 1 0 + .endm + + .macro a0011 + ldbin 0 0 1 1 + .endm + + .macro a0100 + ldbin 0 1 0 0 + .endm + + .macro a0101 + ldbin 0 1 0 1 + .endm + + .macro a0110 + ldbin 0 1 1 0 + .endm + + .macro a0111 + ldbin 0 1 1 1 + .endm + + .macro a1000 + ldbin 1 0 0 0 + .endm + + .macro a1001 + ldbin 1 0 0 1 + .endm + + .macro a1010 + ldbin 1 0 1 0 + .endm + + .macro a1011 + ldbin 1 0 1 1 + .endm + + .macro a1100 + ldbin 1 1 0 0 + .endm + + .macro a1101 + ldbin 1 1 0 1 + .endm + + .macro a1110 + ldbin 1 1 1 0 + .endm + + .macro a1111 + ldbin 1 1 1 1 + .endm + + + + + # *************************** 4 BIT COUNTER ****************************** + # adds TOS to bit of counter and returns carry in TOS + # + # adb0 - adb3 + + + .macro adb0 + movq %mm4, %mm2 + pxor %mm0, %mm4 + pand %mm2, %mm0 + .endm + + .macro adb1 + movq %mm5, %mm2 + pxor %mm0, %mm5 + pand %mm2, %mm0 + .endm + + .macro adb2 + movq %mm6, %mm2 + pxor %mm0, %mm6 + pand %mm2, %mm0 + .endm + + .macro adb3 + movq %mm7, %mm2 + pxor %mm0, %mm7 + pand %mm2, %mm0 + .endm + + + # *************************** ACCUMULATOR TESTS *************************** + # dropisnonzero4 - dropisnonzero1 + + .macro dropisnonzero4 + movq %mm4, %mm0 + por %mm5, %mm0 + por %mm6, %mm0 + por %mm7, %mm0 + .endm + + .macro dropisnonzero3 + movq %mm4, %mm0 + por %mm5, %mm0 + por %mm6, %mm0 + .endm + + .macro dropisnonzero2 + movq %mm4, %mm0 + por %mm5, %mm0 + .endm + + .macro dropisnonzero1 + movq %mm4, %mm0 + .endm + + + # *************************** REGISTER SHIFT OPERATIONS ********************** + # shift and leave shifted out byte on stack + # rotate trough top of stack + + .macro dropshiftright + movq %mm4, %mm0 + movq %mm5, %mm4 + movq %mm6, %mm5 + movq %mm7, %mm6 + pxor %mm7, %mm7 + .endm + + .macro dropshiftleft + movq %mm7, %mm0 + movq %mm6, %mm7 + movq %mm5, %mm6 + movq %mm4, %mm5 + pxor %mm4, %mm4 + .endm + + .macro dropshiftrighta + movq %mm4, %mm0 + movq %mm5, %mm4 + movq %mm6, %mm5 + movq %mm7, %mm6 + .endm + + .macro rotateright + movq %mm4, %mm1 + movq %mm5, %mm4 + movq %mm6, %mm5 + movq %mm7, %mm6 + movq %mm1, %mm7 + .endm + + .macro rotateleft + movq %mm7, %mm1 + movq %mm6, %mm7 + movq %mm5, %mm6 + movq %mm4, %mm5 + movq %mm1, %mm4 + .endm + + .macro rotaterightstack + movq %mm0, %mm1 + movq %mm4, %mm0 + movq %mm5, %mm4 + movq %mm6, %mm5 + movq %mm7, %mm6 + movq %mm1, %mm7 + .endm + + .macro rotateleftstack + movq %mm0, %mm1 + movq %mm7, %mm0 + movq %mm6, %mm7 + movq %mm5, %mm6 + movq %mm4, %mm5 + movq %mm1, %mm4 + .endm + + # *************************** OTHER REGISTER OPERATIONS ********************** + # anot : complement reg (can be used to implement subtraction) + + .macro anot + pxor %mm3, %mm4 + pxor %mm3, %mm5 + pxor %mm3, %mm6 + pxor %mm3, %mm7 + .endm |