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2020-11-06 18:50:37 +01:00

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$title ('MP/M II V2.0 Abort a Program')
abort:
do;
$include (copyrt.lit)
/*
Revised:
14 Sept 81 by Thomas Rolander
*/
declare start label;
declare jmp$to$start structure (
jmp$instr byte,
jmp$location address ) data (
0C3H,
.start-3);
mon1:
procedure (func,info) external;
declare func byte;
declare info address;
end mon1;
mon2:
procedure (func,info) byte external;
declare func byte;
declare info address;
end mon2;
declare fcb (1) byte external;
declare fcb16 (1) byte external;
declare tbuff (1) byte external;
/**************************************
* *
* B D O S Externals *
* *
**************************************/
print$console$buffer:
procedure (buff$adr);
declare buff$adr address;
call mon1 (9,buff$adr);
end print$console$buffer;
terminate:
procedure;
call mon1 (143,0);
end terminate;
console$number:
procedure byte;
return mon2 (153,0);
end console$number;
abort$process:
procedure (abort$pb) byte;
declare abort$pb address;
return mon2 (157,abort$pb);
end abort$process;
declare abort$pb structure (
pdadr address,
param address,
pname (8) byte,
console byte) initial (
0,00ffh,' ',0);
/*
Main Program
*/
declare last$dseg$byte byte
initial (0);
start:
do;
if fcb16(1) = ' ' then
do;
abort$pb.console = console$number;
end;
else
do;
if (fcb16(1):=fcb16(1)-'0') > 9 then
do;
fcb16(1) = fcb16(1) + '0' - 'A' + 10;
end;
abort$pb.console = fcb16(1);
end;
call move (8,.fcb(1),.abort$pb.pname);
if abort$process (.abort$pb) = 0ffh then
do;
call print$console$buffer (.(
'Abort failed.','$'));
end;
call terminate;
end;
end abort;