nmos6502mem.pas 2.5 KB

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  1. {
  2. Copyright (c) 1998-2002 by Florian Klaempfl
  3. Generate MOS Technology 6502 assembler for in memory related nodes
  4. This program is free software; you can redistribute it and/or modify
  5. it under the terms of the GNU General Public License as published by
  6. the Free Software Foundation; either version 2 of the License, or
  7. (at your option) any later version.
  8. This program is distributed in the hope that it will be useful,
  9. but WITHOUT ANY WARRANTY; without even the implied warranty of
  10. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  11. GNU General Public License for more details.
  12. You should have received a copy of the GNU General Public License
  13. along with this program; if not, write to the Free Software
  14. Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  15. ****************************************************************************
  16. }
  17. unit nmos6502mem;
  18. {$i fpcdefs.inc}
  19. interface
  20. uses
  21. cgbase,cpubase,
  22. nmem,ncgmem;
  23. type
  24. { TMOS6502LoadParentFPNode }
  25. TMOS6502LoadParentFPNode = class(tcgloadparentfpnode)
  26. procedure pass_generate_code;override;
  27. end;
  28. implementation
  29. uses
  30. aasmdata,aasmcpu,
  31. cgobj;
  32. {*****************************************************************************
  33. TMOS6502LoadParentFPNode
  34. *****************************************************************************}
  35. procedure TMOS6502LoadParentFPNode.pass_generate_code;
  36. begin
  37. inherited pass_generate_code;
  38. //if (location.loc=LOC_REGISTER) and ((location.register=NR_IX) or (location.register=NR_IY)) then
  39. // begin
  40. // cg.getcpuregister(current_asmdata.CurrAsmList,NR_H);
  41. // cg.getcpuregister(current_asmdata.CurrAsmList,NR_L);
  42. // current_asmdata.CurrAsmList.Concat(taicpu.op_reg(A_PUSH,location.register));
  43. // current_asmdata.CurrAsmList.Concat(taicpu.op_reg(A_POP,NR_HL));
  44. // location.register:=cg.getintregister(current_asmdata.CurrAsmList,OS_16);
  45. // cg.a_load_reg_reg(current_asmdata.CurrAsmList,OS_8,OS_8,NR_L,location.register);
  46. // cg.ungetcpuregister(current_asmdata.CurrAsmList,NR_L);
  47. // cg.a_load_reg_reg(current_asmdata.CurrAsmList,OS_8,OS_8,NR_H,cg.GetNextReg(location.register));
  48. // cg.ungetcpuregister(current_asmdata.CurrAsmList,NR_H);
  49. // end;
  50. end;
  51. begin
  52. cloadparentfpnode:=TMOS6502LoadParentFPNode;
  53. end.