# test jump and beq
puts "from  ecomp add32.e bshift.e part2.e -o part2.net"
puts "from  esim < part2b.run > part2b.out"
esim load part2.net
# load up the instruction memory with 32 bit works
# jump 3(0)  will jump to location C that is esim 0x60
esim write -hex inst_mem.mr   0x0 32 08000003
# lw 1,4(0)  branch slot, should be executed
esim write -hex inst_mem.mr  0x20 32 80010004
# lw 2,8(0)  should not get executed
esim write -hex inst_mem.mr  0x40 32 80020008
# beq 0,3,3  jump should come here after doing lw 1,4(0)
esim write -hex inst_mem.mr  0x60 32 04000003
# lw 3,0xC(0) branch slot, should get executed
esim write -hex inst_mem.mr  0x80 32 8003000C
# lw 4,0x10(0) should not get executed
esim write -hex inst_mem.mr  0xA0 32 80040010
# lw 5,0x14(0) should not get executed 
esim write -hex inst_mem.mr  0xC0 32 80050014
# lw 6,0x18(0) should get executed
esim write -hex inst_mem.mr  0xE0 32 80060018
# beq 0,1,3  should not branch
esim write -hex inst_mem.mr 0x100 32 04010003
# ai 2,0(2)  branch slot, always executed
esim write -hex inst_mem.mr 0x120 32 C0020002
# lw 7,28(0) should get executed
esim write -hex inst_mem.mr 0x140 32 8007001C
# nop  just padding
esim write -hex inst_mem.mr 0x160 32 00000000
# nop  just padding
esim write -hex inst_mem.mr 0x180 32 00000000
# nop  just padding
esim write -hex inst_mem.mr 0x1A0 32 00000000
#
# load register zero with zero, hopefully safe from software bug that
# might change it
esim write -hex greg.mr  0x0 32 00000000
# load data memory with 32 bit words
esim write -hex dmem.mr   0x0 32 00112233
esim write -hex dmem.mr  0x20 32 11111111
esim write -hex dmem.mr  0x40 32 22222222
esim write -hex dmem.mr  0x60 32 33333333
esim write -hex dmem.mr  0x80 32 44444444
esim write -hex dmem.mr  0xA0 32 55555555
esim write -hex dmem.mr  0xC0 32 66666666
esim write -hex dmem.mr  0xE0 32 77777777
esim write -hex dmem.mr 0x100 32 88888888
# stop just before the first clock in order to print
esim run 199
for {set i 13} {$i} {incr i -1} {
puts "inst=  [esim show -hex inst]   at [esim curtime]ns"
puts "ir_s1= [esim show -hex ir_s1]  pc=   [esim show -hex pc]  at clock [esim show cntr]"
puts "ir_s2= [esim show -hex ir_s2]  a_s2= [esim show -hex a_s2]  b_s2= [esim show -hex b_s2]  c_s2= [esim show -hex c_s2]"
puts "ir_s3= [esim show -hex ir_s3]  a_s3= [esim show -hex a_s3]  b_s3= [esim show -hex b_s3]  rd_s3= [esim show rd_s3]"
puts "ir_s4= [esim show -hex ir_s4]  a_s4= [esim show -hex a_s4]  b_s4= [esim show -hex b_s4]  waiting=[esim events]\n"
# stop just before the clock in order to print
esim run 200
}
#
# dump registers and memory
# output some general registers
puts " General registers at end of simulation "
puts "greg 0- 3= [esim read -hex greg.mr  0x0 32] [esim read -hex greg.mr 0x20 32] [esim read -hex greg.mr 0x40 32] [esim read -hex greg.mr 0x60 32]"
puts "greg 4- 7= [esim read -hex greg.mr  0x80 32] [esim read -hex greg.mr 0xA0 32] [esim read -hex greg.mr 0xC0 32] [esim read -hex greg.mr 0xE0 32]"
puts "greg 8-11= [esim read -hex greg.mr  0x100 32] [esim read -hex greg.mr 0x120 32] [esim read -hex greg.mr 0x140 32] [esim read -hex greg.mr 0x160 32]"
puts "greg12-15= [esim read -hex greg.mr  0x180 32] [esim read -hex greg.mr 0x1A0 32] [esim read -hex greg.mr 0x1C0 32] [esim read -hex greg.mr 0x1E0 32]"
# more output, data memory
#
puts "part2b.out finished"