Question from Computer Engineering (Undergrad first year textbook)

[7] Find the values of GR1, GR2, GR3, and DAT1 after executing the following program.

[7] ROJAMS4OETTI GR1, GR2, GR3, DAT1 01t *.. TEST1 START LAD LAD LAD LAD ST LD LAD DS END GR1, 100 GR1, -1, GR1 GR2, 0, GR1 GR2, 10, GR2 GR1, DATI GR3, DAT1 GR3, -2, GR3 1 DATI