static void
move_row (GtkTreeModel *src,
GtkTreeIter *src_iter,
GtkTreeModel *dest,
GtkTreeIter *dest_iter)
{
if (src == left_tree_model)
move_to_right (src_iter, dest, dest_iter);
else if (dest == left_tree_model)
move_to_left (src, src_iter, dest_iter);
else
move_up_or_down (src, src_iter, dest, dest_iter);
}
static void hglin(void) {
// F53A
pha();
c=1;
sbc(ram[HGR_X]);
pha();
a=x;
sbc(ram[HGR_X+1]);
ram[HGR_QUADRANT]=a;
// F544
if (c==1) goto hglin_1;
pla();
a=a^0xff;
adc(1);
pha();
lda_const(0);
sbc(ram[HGR_QUADRANT]);
// F550
hglin_1:
ram[HGR_DX+1]=a;
ram[HGR_E+1]=a;
pla();
ram[HGR_DX]=a;
ram[HGR_E]=a;
pla();
ram[HGR_X]=a;
ram[HGR_X+1]=x;
a=y;
c=0;
sbc(ram[HGR_Y]);
if (c==0) goto hglin_2;
a=a^0xff;
adc(0xfe);
hglin_2:
// F568
ram[HGR_DY]=a;
ram[HGR_Y]=y;
ror_mem(HGR_QUADRANT);
c=1;
sbc(ram[HGR_DX]);
x=a;
lda_const(0xff);
sbc(ram[HGR_DX+1]);
ram[HGR_COUNT]=a;
ldy(HGR_HORIZ);
goto movex2; // always?
// f57c
movex:
asl();
move_left_or_right();
c=1;
// f581
movex2:
lda(HGR_E);
adc(ram[HGR_DY]);
ram[HGR_E]=a;
lda(HGR_E+1);
sbc(0);
movex2_1:
ram[HGR_E+1]=a;
lda(y_indirect(GBASL,y));
a=a^ram[HGR_BITS];
a=a&ram[HMASK];
a=a^ram[y_indirect(GBASL,y)];
ram[y_indirect(GBASL,y)]=a;
inx();
if (z!=1) goto movex2_2;
ram[HGR_COUNT]++;
if (ram[HGR_COUNT]==0) return;
// F59e
movex2_2:
lda(HGR_QUADRANT);
if (c==1) goto movex;
move_up_or_down();
c=0;
lda(HGR_E);
adc(ram[HGR_DX]);
ram[HGR_E]=a;
lda(HGR_E+1);
adc(ram[HGR_DX+1]);
goto movex2_1;
}
