#include "a.h" /* * Section 3 - page control (mostly irrelevant). */ /* page offset */voidpo(int o){ nr(L(".o0"), getnr(L(".o"))); nr(L(".o"), o);} voidr_po(int argc, Rune **argv){ if(argc == 1){ po(getnr(L(".o0"))); return; } if(argv[1][0] == '+') po(getnr(L(".o"))+evalscale(argv[1]+1, 'v')); else if(argv[1][0] == '-') po(getnr(L(".o"))-evalscale(argv[1]+1, 'v')); else po(evalscale(argv[1], 'v'));} /* .ne - need vertical space *//* .mk - mark current vertical place *//* .rt - return upward */ voidt3init(void){ nr(L(".o"), eval(L("1i"))); nr(L(".o0"), eval(L("1i"))); nr(L(".p"), eval(L("11i"))); addreq(L("pl"), r_warn, -1); addreq(L("bp"), r_nop, -1); addreq(L("pn"), r_warn, -1); addreq(L("po"), r_po, -1); addreq(L("ne"), r_nop, -1); addreq(L("mk"), r_nop, -1); addreq(L("rt"), r_warn, -1);}
#include "a.h"
/*
* Section 3 - page control (mostly irrelevant).
*/
/* page offset */
void
po(int o)
{
nr(L(".o0"), getnr(L(".o")));
nr(L(".o"), o);
}
void
r_po(int argc, Rune **argv)
{
if(argc == 1){
po(getnr(L(".o0")));
return;
}
if(argv[1][0] == '+')
po(getnr(L(".o"))+evalscale(argv[1]+1, 'v'));
else if(argv[1][0] == '-')
po(getnr(L(".o"))-evalscale(argv[1]+1, 'v'));
else
po(evalscale(argv[1], 'v'));
}
/* .ne - need vertical space */
/* .mk - mark current vertical place */
/* .rt - return upward */
void
t3init(void)
{
nr(L(".o"), eval(L("1i")));
nr(L(".o0"), eval(L("1i")));
nr(L(".p"), eval(L("11i")));
addreq(L("pl"), r_warn, -1);
addreq(L("bp"), r_nop, -1);
addreq(L("pn"), r_warn, -1);
addreq(L("po"), r_po, -1);
addreq(L("ne"), r_nop, -1);
addreq(L("mk"), r_nop, -1);
addreq(L("rt"), r_warn, -1);
}