USG_PG3/usr/source/fcrt/r0.s
/ fortran runtime startup
/ calls main and provides error
/ messages
.globl main
.globl pdec
.globl temp
.globl rerr
.globl trace
.globl fptrap
.comm erret,2
.comm argp,2
ldfps = 170100^tst
sys signal; 4; fptrap
ldfps $5400
sys signal; 8.; fperr
mov sp,argp
mov $main,r4
jmp *(r4)+
fperr:
jsr r5,rerr; 998.
rerr:
mov (r5)+,r1
tst erret
beq 1f
jsr pc,erret
1:
mov $2,r0
sys write; m1; m2-m1
jsr r5,pdec
mov $2,r0
sys write; m2; 1
jsr pc,trace
sys exit
pdec:
clr r0
div $10.,r0
mov r1,-(sp)
mov r0,r1
beq 1f
jsr r5,pdec
1:
mov (sp)+,r0
add $'0,r0
movb r0,temp
mov $2,r0
sys write; temp; 1
rts r5
m1:
<Runtime error >
m2:
<\n>
.even
.bss
temp: .=.+16.