//const dut = 127;
include scsn_ids.tcs
//const CTGDINI = 0x0B80;
//const CTGCTRL = 0x0B81;
//const CTGDOUT = 0x0B82;

reset dut
nop

write CPU0CLK, 0
write CPU1CLK, 0
write CPU2CLK, 0
write CPU3CLK, 0

expect dut, CPU0CLK, 0
expect dut, CPU1CLK, 0
expect dut, CPU2CLK, 0
expect dut, CPU3CLK, 0

// check the increment after read mode, to see if the counter is alive
sel_inp = 1; // after read
write dut, CTGCTRL, 0xE1F | (sel_inp << 5)
write dut, CTGDINI, 0;

read dut, CHIPID

expect dut, CTGDOUT, 0
expect dut, CTGDOUT, 1
expect dut, CTGDOUT, 2

// check the increment after pretrigger
sel_inp = 0; // external
ext_sel = 2; // pretriger decoded (1)
write dut, CTGCTRL, 0xE1F | (sel_inp << 5) | (ext_sel << 7);
write dut, CTGDINI, 0;
expect dut, CTGDOUT, 0
pretrigger 1
expect dut, CTGDOUT, 1
pretrigger 1
expect dut, CTGDOUT, 2
// no change by other commands
pretrigger 2
expect dut, CTGDOUT, 2
pretrigger 3
expect dut, CTGDOUT, 2
//pretrigger 5
expect dut, CTGDOUT, 2
pretrigger 7
expect dut, CTGDOUT, 2
pretrigger 4
expect dut, CTGDOUT, 2

// check the increment after pretrigger command clear
ext_sel = 1; // clear decoded (2)
write dut, CTGCTRL, 0xE1F | (sel_inp << 5) | (ext_sel << 7);
write dut, CTGDINI, 0;
expect dut, CTGDOUT, 0
pretrigger 2
expect dut, CTGDOUT, 1
pretrigger 2
expect dut, CTGDOUT, 2
// no change by other commands
pretrigger 1
expect dut, CTGDOUT, 2
pretrigger 3
expect dut, CTGDOUT, 2
//pretrigger 5
expect dut, CTGDOUT, 2
pretrigger 7
expect dut, CTGDOUT, 2
pretrigger 4
expect dut, CTGDOUT, 2

// check the increment after pretrigger command "reserved"
ext_sel = 3; // reserved decoded (3)
write dut, CTGCTRL, 0xE1F | (sel_inp << 5) | (ext_sel << 7);
write dut, CTGDINI, 0;
expect dut, CTGDOUT, 0
pretrigger 3
expect dut, CTGDOUT, 1
pretrigger 3
expect dut, CTGDOUT, 2
// no change by other commands
pretrigger 1
expect dut, CTGDOUT, 2
pretrigger 2
expect dut, CTGDOUT, 2
//pretrigger 5
expect dut, CTGDOUT, 2
pretrigger 7
expect dut, CTGDOUT, 2
pretrigger 4
expect dut, CTGDOUT, 2

// end of the tests
reset dut

// The other commands can not be counted directly without loading some assembler program.