- add a pushad_regs_t structure, similar to pusha_regs_t - change int 15 function to get a pushad_regs_t parameter   instead of the registers enumeration - change in int 15 references to 32bits,16bits and 8 bits   registers to their pushad_regs_t counterpart
- add a pushad_regs_t structure, similar to pusha_regs_t
- change int 15 function to get a pushad_regs_t parameter
  instead of the registers enumeration
- change in int 15 references to 32bits,16bits and 8 bits
  registers to their pushad_regs_t counterpart

dbrashear/bochs,dariaphoebe/bochs,dbrashear/bochs,dbrashear/bochs,dariaphoebe/bochs,dariaphoebe/bochs,dariaphoebe/bochs,dbrashear/bochs,dbrashear/bochs,dariaphoebe/bochs