Specifications

Saturn The DBUGSAT Debugger 11-21
Psy-Q Development System
CPU
Save Regs Save the current state of the registers
Reset Regs Reload the previously saved register state
Reset Reset the Target Processor
STEP Trace Mode; traps and Line A calls are stepped over
STEPOVER Stepover Mode; subroutine calls and DBRA instructions are
stepped over.
Multiple Units
Description The Saturn has a number of different CPUs. These are accessible as different unit
numbers on the same SCSI target ID.
In the Sega Saturn, the Master SH2 is Unit 2, the Slave SH2 is Unit 1 and the
68000 is Unit 2. While running the Debugger, press Alt-T to cycle between the
different CPUs.
While connected to one unit, all Debugger processing of the other units is suspended.
The other units can run but interaction with the host PC is not possible until that unit
is selected. Switching units in this way saves the current Debugger settings for that
unit, i.e. windows set-up, breakpoints and Symbol Files.
To aid readability of the displays when viewing multiple units, the Debugger supports
up to 10 virtual screens; each screen has its own configuration file.
At start-up, all Symbol Files will be loaded and correctly referenced depending on the
unit number being viewed. To effect this, the Assembler writes the unit number into
the Symbol File.