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ORCA-C
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Implement pc_ind (load indirect) for long long.

This commit is contained in:
Stephen Heumann 2021-02-13 21:42:06 -06:00
parent e8b860f89a
commit c537153ee5
1 changed files with 164 additions and 0 deletions
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164
Gen.pas
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@ -2684,6 +2684,170 @@ case optype of
end; {if}
end; {case cgByte,cgUByte,cgWord,cgUWord}
cgQuad,cgUQuad: begin
GetPointer(op^.left);
if gLong.where = inPointer then begin
if q = 0 then begin
if gLong.fixedDisp then begin
GenNative(m_ldy_imm, immediate, 6, nil, 0);
GenNative(m_lda_indly, direct, gLong.disp, nil, 0);
GenImplied(m_pha);
GenImplied(m_dey);
GenImplied(m_dey);
GenNative(m_lda_indly, direct, gLong.disp, nil, 0);
GenImplied(m_pha);
GenImplied(m_dey);
GenImplied(m_dey);
GenNative(m_lda_indly, direct, gLong.disp, nil, 0);
GenImplied(m_pha);
GenNative(m_lda_indl, direct, gLong.disp, nil, 0);
GenImplied(m_pha);
end {if}
else begin
GenImplied(m_tya);
GenImplied(m_clc);
GenNative(m_adc_imm, immediate, 6, nil, 0);
GenImplied(m_tay);
GenNative(m_lda_indly, direct, gLong.disp, nil, 0);
GenImplied(m_pha);
GenImplied(m_dey);
GenImplied(m_dey);
GenNative(m_lda_indly, direct, gLong.disp, nil, 0);
GenImplied(m_pha);
GenImplied(m_dey);
GenImplied(m_dey);
GenNative(m_lda_indly, direct, gLong.disp, nil, 0);
GenImplied(m_pha);
GenImplied(m_dey);
GenImplied(m_dey);
GenNative(m_lda_indly, direct, gLong.disp, nil, 0);
GenImplied(m_pha);
end; {else}
end {if q = 0}
else begin
if gLong.fixedDisp then begin
GenNative(m_ldy_imm, immediate, q+6, nil, 0);
GenNative(m_lda_indly, direct, gLong.disp, nil, 0);
GenImplied(m_pha);
GenImplied(m_dey);
GenImplied(m_dey);
GenNative(m_lda_indly, direct, gLong.disp, nil, 0);
GenImplied(m_pha);
GenImplied(m_dey);
GenImplied(m_dey);
GenNative(m_lda_indly, direct, gLong.disp, nil, 0);
GenImplied(m_pha);
GenImplied(m_dey);
GenImplied(m_dey);
GenNative(m_lda_indly, direct, gLong.disp, nil, 0);
GenImplied(m_pha);
end {if}
else begin
GenImplied(m_tya);
GenImplied(m_clc);
GenNative(m_adc_imm, immediate, q+6, nil, 0);
GenImplied(m_tay);
GenNative(m_lda_indly, direct, gLong.disp, nil, 0);
GenImplied(m_pha);
GenImplied(m_dey);
GenImplied(m_dey);
GenNative(m_lda_indly, direct, gLong.disp, nil, 0);
GenImplied(m_pha);
GenImplied(m_dey);
GenImplied(m_dey);
GenNative(m_lda_indly, direct, gLong.disp, nil, 0);
GenImplied(m_pha);
GenImplied(m_dey);
GenImplied(m_dey);
GenNative(m_lda_indly, direct, gLong.disp, nil, 0);
GenImplied(m_pha);
end; {else}
end; {else}
end {if glong.where = inPointer}
else if gLong.where = localAddress then begin
gLong.disp := gLong.disp+q;
if gLong.fixedDisp then
if (gLong.disp < 250) and (gLong.disp >= 0) then begin
GenNative(m_pei_dir, direct, gLong.disp+6, nil, 0);
GenNative(m_pei_dir, direct, gLong.disp+4, nil, 0);
GenNative(m_pei_dir, direct, gLong.disp+2, nil, 0);
GenNative(m_pei_dir, direct, gLong.disp, nil, 0);
end {if}
else begin
GenNative(m_ldx_imm, immediate, gLong.disp, nil, 0);
GenNative(m_lda_dirX, direct, 6, nil, 0);
GenImplied(m_pha);
GenNative(m_lda_dirX, direct, 4, nil, 0);
GenImplied(m_pha);
GenNative(m_lda_dirX, direct, 2, nil, 0);
GenImplied(m_pha);
GenNative(m_lda_dirX, direct, 0, nil, 0);
GenImplied(m_pha);
end {else}
else begin
if (gLong.disp >= 250) or (gLong.disp < 0) then begin
GenImplied(m_txa);
GenImplied(m_clc);
GenNative(m_adc_imm, immediate, gLong.disp, nil, 0);
GenImplied(m_tax);
gLong.disp := 0;
end; {if}
GenNative(m_lda_dirX, direct, gLong.disp+6, nil, 0);
GenImplied(m_pha);
GenNative(m_lda_dirX, direct, gLong.disp+4, nil, 0);
GenImplied(m_pha);
GenNative(m_lda_dirX, direct, gLong.disp+2, nil, 0);
GenImplied(m_pha);
GenNative(m_lda_dirX, direct, gLong.disp, nil, 0);
GenImplied(m_pha);
end; {else}
end {else if gLong.where = localAddress}
else {if gLong.where = globalLabel then} begin
gLong.disp := gLong.disp+q;
if gLong.fixedDisp then
if smallMemoryModel then begin
GenNative(m_lda_abs, absolute, gLong.disp+6, gLong.lab, 0);
GenImplied(m_pha);
GenNative(m_lda_abs, absolute, gLong.disp+4, gLong.lab, 0);
GenImplied(m_pha);
GenNative(m_lda_abs, absolute, gLong.disp+2, gLong.lab, 0);
GenImplied(m_pha);
GenNative(m_lda_abs, absolute, gLong.disp, gLong.lab, 0);
GenImplied(m_pha);
end {if}
else begin
GenNative(m_lda_long, longAbs, gLong.disp+6, gLong.lab, 0);
GenImplied(m_pha);
GenNative(m_lda_long, longAbs, gLong.disp+4, gLong.lab, 0);
GenImplied(m_pha);
GenNative(m_lda_long, longAbs, gLong.disp+2, gLong.lab, 0);
GenImplied(m_pha);
GenNative(m_lda_long, longAbs, gLong.disp, gLong.lab, 0);
GenImplied(m_pha);
end {else}
else
if smallMemoryModel then begin
GenNative(m_lda_absX, absolute, gLong.disp+6, gLong.lab, 0);
GenImplied(m_pha);
GenNative(m_lda_absX, absolute, gLong.disp+4, gLong.lab, 0);
GenImplied(m_pha);
GenNative(m_lda_absX, absolute, gLong.disp+2, gLong.lab, 0);
GenImplied(m_pha);
GenNative(m_lda_absX, absolute, gLong.disp, gLong.lab, 0);
GenImplied(m_pha);
end {if}
else begin
GenNative(m_lda_longX, longAbs, gLong.disp+6, gLong.lab, 0);
GenImplied(m_pha);
GenNative(m_lda_longX, longAbs, gLong.disp+4, gLong.lab, 0);
GenImplied(m_pha);
GenNative(m_lda_longX, longAbs, gLong.disp+2, gLong.lab, 0);
GenImplied(m_pha);
GenNative(m_lda_longX, longAbs, gLong.disp, gLong.lab, 0);
GenImplied(m_pha);
end; {else}
end; {else}
end; {case cgQuad,cgUQuad}
otherwise: Error(cge1);
end; {case}
end; {GenInd}