2006-06-13 Richard Earnshaw * configure: Regenerated. 2006-06-05 Daniel Jacobowitz * configure: Regenerated. 2006-05-31 Daniel Jacobowitz * configure: Regenerated. 2006-03-29 Hans-Peter Nilsson * configure: Regenerate. 2005-03-23 Mark Kettenis * configure: Regenerate. 2005-01-14 Andrew Cagney * configure.ac: Sinclude aclocal.m4 before common.m4. Add explicit call to AC_CONFIG_HEADER. * configure: Regenerate. 2005-01-11 Andrew Cagney * configure: Regenerated to track ../common/aclocal.m4 changes. 2005-01-07 Andrew Cagney * configure.ac: Rename configure.in, require autoconf 2.59. * configure: Re-generate. 2004-12-08 Hans-Peter Nilsson * configure: Regenerate for ../common/aclocal.m4 update. 2004-06-15 Alan Modra * interp.c (sim_prepare_for_program): Use bfd_get_section_size instead of bfd_get_section_size_before_reloc. 2003-08-08 Stephane Carrez * dv-m68hc11tim.c (cycle_to_string): Add flags parameter to better control the translation. (m68hc11tim_print_timer): Update cycle_to_string conversion. (m68hc11tim_timer_event): Fix handling of output compare register with its interrupts. (m68hc11tim_io_write_buffer): Check output compare after setting M6811_TMSK1. (m68hc11tim_io_read_buffer): Fix compilation warning. * dv-m68hc11.c (m68hc11_option_handler): Likewise. * dv-m68hc11spi.c (m68hc11spi_info): Likewise. * dv-m68hc11sio.c (m68hc11sio_info): Likewise. * interrupts.c (interrupts_info): Likewise. (interrupts_reset): Recognize bootstrap mode. * sim-main.h (PRINT_CYCLE, PRINT_TIME): New defines. (_sim_cpu): Add cpu_start_mode. (cycle_to_string): Add flags member. * m68hc11_sim.c (OPTION_CPU_BOOTSTRAP): New option. (cpu_options): Declare new option bootstrap. (cpu_option_handler): Handle it. (cpu_info): Update call to cycle_to_string. 2003-08-08 Stephane Carrez * sim-main.h (phys_to_virt): Use memory bank parameters to translate the physical address in virtual address. (struct _sim_cpu): Add memory bank members. * m68hc11_sim.c (cpu_initialize): Clear memory bank parameters. * interp.c (sim_hw_configure): Create memory bank according to memory bank parameters. (sim_get_bank_parameters): New function to obtain memory bank config from the symbol table. (sim_prepare_for_program): Call it to obtain the memory bank parameters. (sim_open): Call sim_prepare_for_program. * dv-m68hc11.c (m68hc11cpu_io_write_buffer): Use memory bank parameters to check if address is within bank window. (m68hc11cpu_io_read_buffer): Likewise. (attach_m68hc11_regs): Map the memory bank according to memory bank parameters. 2003-08-08 Stephane Carrez , * sim-main.h (PAGE_REGNUM, Z_REGNUM): Use same numbering as gdb. 2003-08-08 Stephane Carrez , Gary Piercey * m68hc11_sim.c (print_io_word): New function to print 16-bit value. * sim-main.h (print_io_word): Declare. * dv-m68hc11tim.c (tmsk1_desc): New description table for TMSK1. (tflg1_desc): Likewise for TFLG1. (m68hc11tim_info): Print input and output compare registers 2003-03-02 Stephane Carrez * Makefile.in (SIM_EXTRA_CFLAGS): Set WITH_TARGET_ADDRESS_BITSIZE to 32 to support memory bank switching; temporarily use 32-bit for WORD_BITSIZE to avoid a bug in sim-common. 2003-03-01 Stephane Carrez * interp.c (sim_fetch_register): Only store a single byte for 1 byte registers. 2003-02-27 Andrew Cagney * interp.c (sim_prepare_for_program, sim_open) (sim_create_inferior): Rename _bfd to bfd. 2002-08-13 Stephane Carrez * dv-m68hc11eepr.c (struct m68hc11eepr ): Use const char* for filename. 2002-08-13 Marko Kohtala * interp.c (sim_prepare_for_program): Look up the image for the reset vector and set cpu_use_elf_start to 1 if not found. (sim_open): Do not set cpu_use_elf_start. 2002-08-13 Marko Kohtala * interp.c (sim_hw_configure): Return 1 for success. (sim_prepare_for_program): Use the sim_hw_configure exit code to return SIM_RC_FAIL. 2002-08-13 Stephane Carrez * dv-m68hc11.c (m68hc11cpu_io_read_buffer): Translate memory bank window to some virtual address to read from extended memory. (m68hc11cpu_io_write_buffer): Likewise for writing. (attach_m68hc11_regs): When use_bank property is defined, attach to the 68HC12 16K memory bank window. * interp.c (sim_hw_configure): Create memory region for banked memory. 2002-08-13 Stephane Carrez * interp.c (sim_hw_configure): Connect port-X to cpu-write-port. * dv-m68hc11.c (m68hc11cpu_ports): Add cpu-write-port input. (m68hc11cpu_port_event): Handle CPU_WRITE_PORT event. 2002-08-13 Marko Kohtala * dv-m68hc11.c (m68hc11cpu_io_write): Fix to update IO mapping when IO mapping changed, not when internal RAM mapping is changed. 2002-08-13 Stephane Carrez * m68hc11_sim.c (cpu_special): Handle call and rtc instructions. * sim-main.h (M6812_CALL_INDIRECT): Add to enum. (m6811_regs): Add page register. (cpu_set_page, cpu_get_page): New macros. (phys_to_virt): New function. (cpu_get_indexed_operand_addr, cpu_return): Declare. * gencode.c: Identify indirect addressing mode for call and fix daa. (gen_function_entry): New param to tell if src8/dst8 locals are necessary. (gen_interpreter): Use it to avoid generation of unused variables. * interp.c (sim_fetch_register): Allow to read page register; page register, A, B and CCR are only 1 byte wide. (sim_store_register): Likewise for writing. 2002-06-16 Andrew Cagney * configure: Regenerated to track ../common/aclocal.m4 changes. 2002-06-09 Andrew Cagney * Makefile.in (INCLUDE): Update path to callback.h. * sim-main.h: Include "gdb/callback.h" and "gdb/remote-sim.h". 2002-03-07 Stephane Carrez * m68hc11_sim.c (cpu_move8): Call sim_engine_abort in default case. (cpu_move16): Likewise. (sim_memory_error): Use sim_io_printf. (cpu_option_handler): Fix compilation warning. * interp.c (sim_hw_configure): Fix compilation warning; remove m68hc12sio@2 device. (sim_open): Likewise. * dv-m68hc11tim.c (m68hc11tim_port_event): Fix clear of TFLG2 flags when reset. (cycle_to_string): Improve convertion of cpu cycle number. (m68hc11tim_info): Print info about PACNT. (m68hc11tim_io_write_buffer): Fix clearing of TFLG2; handle TCTL1 and TCTL2 registers. * dv-m68hc11.c (m68hc11_info): Print 6811 current running mode. 2002-03-07 Stephane Carrez * interp.c (sim_hw_configure): Save the HW cpu pointer in the cpu struct. (sim_hw_configure): Connect the capture input/output events. * sim-main.h (_sim_cpu): New member hw_cpu. (m68hc11cpu_set_oscillator): Declare. (m68hc11cpu_clear_oscillator): Declare. (m68hc11cpu_set_port): Declare. * dv-m68hc11.c (m68hc11_options): New for oscillator commands. (m68hc11cpu_ports): New input ports and output ports to reflect the HC11 IOs. (m68hc11_delete): Cleanup any running oscillator. (attach_m68hc11_regs): Create the input oscillators. (make_oscillator): New function. (find_oscillator): New function. (oscillator_handler): New function. (reset_oscillators): New function. (m68hc11cpu_port_event): Handle the new input ports. (m68hc11cpu_set_oscillator): New function. (m68hc11cpu_clear_oscillator): New function. (get_frequency): New function. (m68hc11_option_handler): New function. (m68hc11cpu_set_port): New function. (m68hc11cpu_io_write): Post the port output events. * dv-m68hc11spi.c (set_bit_port): Use m68hc11cpu_set_port to set the output port value. * dv-m68hc11tim.c (m68hc11tim_port_event): Handle CAPTURE event by latching the TCNT value in the register. 2002-03-07 Stephane Carrez * sim-main.h (cpu_frame, cpu_frame_list): Remove. (cpu_frame_reg, cpu_print_frame): Remove. (cpu_m68hc11_push_uint8, cpu_m68hc11_pop_uint8): Cleanup. (cpu_m68hc11_push_uint16, cpu_m68hc11_pop_uint16): Likewise. (cpu_m68hc12_push_uint8, cpu_m68hc12_push_uint16): Likewise. (cpu_m68hc12_pop_uint8, cpu_m68hc12_pop_uint16): Likewise. * m68hc11_sim.c (cpu_find_frame): Remove. (cpu_create_frame_list): Remove. (cpu_remove_frame_list, cpu_create_frame, cpu_free_frame): Remove. (cpu_frame_reg, cpu_print_frame, cpu_update_frame): Remove. (cpu_call): Cleanup to remove #if HAVE_FRAME and calls to the above. (cpu_update_frame): Likewise. (cpu_return): Likewise. (cpu_reset): Likewise. (cpu_initialize): Likewise. * interp.c (sim_do_command): Remove call to cpu_print_frame. 2002-03-07 Stephane Carrez * interrupts.c (interrupts_reset): New function, setup interrupt vector address according to cpu mode. (interrupts_initialize): Move reset portion to the above. (interrupt_names): New table to give a name to interrupts. (idefs): Handle pulse accumulator interrupts. (interrupts_info): Print the interrupt history. (interrupt_option_handler): New function. (interrupt_options): New table of options. (interrupts_update_pending): Keep track of when interrupts are raised and implement breakpoint-on-raise-interrupt. (interrupts_process): Keep track of when interrupts are taken and implement breakpoint-on-interrupt. * interrupts.h (struct interrupt_history): Define. (struct interrupt): Keep track of the interrupt history. (interrupts_reset): Declare. (interrupts_initialize): Update prototype. * m68hc11_sim.c (cpu_reset): Reset interrupts. (cpu_initialize): Cleanup. 2001-07-28 Stephane Carrez * dv-m68hc11eepr.c (m68hc11eepr_info): Fix print of current write address. (m68hc11eepr_port_event): Fix detach/attach logic. 2001-07-22 Stephane Carrez * Makefile.in (SIM_OBJS): Remove sim-resume.o * interp.c (sim_resume): New function from sim-resume.c, install the stepping event after having processed the pending ticks. (has_stepped): Likewise. (sim_info): Produce an output only if verbose or STATE_VERBOSE_P. 2001-07-10 Andrew Cagney * Makefile.in (gencode): Provide explicit path to gencode.c. 2001-05-20 Stephane Carrez * Makefile.in (M68HC11_OBJS): Add m68hc12int.o. (m68hc12int.c): Generate using gencode -m6812. (m68hc11int.c): Likewise with -m6811. * gencode.c (m6811_opcode_patterns): New patterns for 68HC12. (m6811_page1_opcodes): Remove duplicate entries. (m6811_page2_opcodes): Likewise. (m6811_page3_opcodes): Likewise. (m6811_page4_opcodes): Likewise. (m6812_page1_opcodes): New table for 68HC12 instructions. (m6812_page2_opcodes): Likewise. (gen_fetch_operands): New modes [] and &[] for 68HC12 operands. (gen_save_result): Likewise. (gen_interpreter_for_table): Handle 68HC11 and 68HC12 opcodes. (cmp_opcode): New function for opcode comparision. (prepare_table): Sort the opcodes. (gen_interpreter): Prepare all the tables and generate either a 68HC11 or a 68HC12 simulator. (main): New options -m6811 and -m6812. * m68hc11_sim.c (cpu_single_step): Use pointer to cpu interpretor. (cpu_special): Simulation of some 68HC12 instructions. (cpu_exg): New function. (cpu_dbcc): Likewise. (cpu_fetch_relbranch16): Likewise. (cpu_push_all): Push according to 68HC11 or 68HC12. (cpu_move16): Likewise. (cpu_move8): Likewise. (cpu_get_indexed_operand16): Likewise. (cpu_get_indexed_operand8): Likewise. (cpu_get_indexed_operand_addr): Likewise. (cpu_set_reg, cpu_set_dst_reg, cpu_get_src_reg, cpu_get_reg): Likewise. (cpu_reset): Setup INIT register according to architecture. * sim-main.h (M6811_Special): Add 68HC12 specific instructions. (_sim_cpu): Keep track of the cpu being simulated. (cpu_get_tmp3, cpu_get_tmp2, cpu_set_tmp3, cpu_set_tmp2): New. (cpu_m68hc11_push_uintxx): Rename of cpu_push_uintxx. (cpu_m68hc11_pop_uint8): Likewise. (cpu_m68hc12_push_uintxx): New functions for 68HC12. (cpu_m68hc12_pop_uintxx): Likewise. (cpu_exg, cpu_dbcc, cpu_move8, cpu_move16): Likewise, (cpu_fetch_relbranch16): Likewise. (cpu_interp_m6811): Rename of cpu_interp. (cpu_interp_m6812): New function. * interp.c (free_state): New function. (dev_list_68hc12): New table. (sim_board_reset): Reset depending on the cpu (HC11 or HC12). (sim_hw_configure): New function. (sim_prepare_for_program): New function. (sim_open): Use above new functions. (sim_close): Call free_state(). (sim_info): Print info according to cpu. (sim_create_inferior): Use sim_prepare_for_program. (sim_do_command): Configure the hardware after a change of the architecture. 2001-05-20 Stephane Carrez * dv-m68hc11sio.c (m68hc11sio_tx_poll): Always check for pending interrupts. * interrupts.c (interrupts_process): Keep track of the last number of masked insn cycles. (interrupts_initialize): Clear last number of masked insn cycles. (interrupts_info): Report them. (interrupts_update_pending): Compute clear and set masks of interrupts and clear the interrupt bits before setting them (due to SCI interrupt sharing). * interrupts.h (struct interrupts): New members last_mask_cycles and xirq_last_mask_cycles. 2000-11-26 Stephane Carrez * dv-m68hc11.c (m68hc11cpu_io_read_buffer): Use attach_size instead of a hard-coded value. (m68hc11cpu_io_write_buffer): Likewise. (dv_m68hc11_descriptor): Define a 68hc12 device. * dv-m68hc11eepr.c (dv_m68hc11eepr_descriptor): Likewise. * dv-m68hc11tim.c (dv_m68hc11tim_descriptor): Likewise. * dv-m68hc11spi.c (dv_m68hc11spi_descriptor): Likewise. * dv-m68hc11sio.c (dv_m68hc11sio_descriptor): Likewise. 2000-11-22 Stephane Carrez * dv-m68hc11.c (attach_m68hc11_regs): Register a delete handler. (m68hc11cpu_delete): Delete handler to detach the address space. 2000-11-24 Stephane Carrez * dv-m68hc11eepr.c (attach_m68hc11eepr_regs): Use hw_malloc. * dv-nvram.c (attach_nvram_regs): Use hw_free and hw_malloc instead of free and malloc. 2000-09-11 Stephane Carrez * Makefile.in: Was missing from initial patch. 2000-09-10 Stephane Carrez * interp.c (sim_store_register): Remove soft register hack. (sim_fetch_register): Likewise. (sim_create_inferior): Likewise. * sim-main.h: Likewise. 2000-09-10 Stephane Carrez * interrupts.c (interrupts_update_pending): Clear the mask of pending interrupts here. (interrupts_get_current): Don't clear the mask of pending interrupts. 2000-09-10 Stephane Carrez * sim-main.h: Define cycle_to_string. * dv-m68hc11tim.c (cycle_to_string): New function to translate the cpu cycle into some formatted time string. (m68hc11tim_print_timer): Use it. * dv-m68hc11sio.c (m68hc11sio_info): Use cycle_to_string. * dv-m68hc11spi.c (m68hc11spi_info): Likewise. * interrupts.c (interrupts_info): Likewise. * m68hc11_sim.c (cpu_info): Likewise. 2000-09-06 Stephane Carrez * dv-m68hc11tim.c (m68hc11tim_timer_event): Compute the overflow interrupt and compare events accurately. Take into account the pending ticks not processed by the simulator yet (introduced a shift). (m68hc11_port_event): Reset the timer interrupt delays. (m68hc11tim_io_read_buffer): Be able to read several bytes. (m68hc11tim_io_write_buffer): Likewise for write. (m68hc11tim_io_write_buffer): Recompute the timer overflow interrupt. 2000-09-06 Stephane Carrez * dv-m68hc11spi.c (m68hc11spi_io_read_buffer): Clear the interrupts. (m68hc11spi_io_write_buffer): Likewise and fix the spi frame. (m68hc11spi_info): Clarify the status report of the SPI when a byte is being sent. (m68hc11spi_clock): Fix the spi send frame. 2000-08-11 Stephane Carrez * sim-main.h (m68hc11_map_level): Define level of address mappings. * dv-m68hc11eepr.c (struct m68hc11eepr ): New flag to indicate whether the eeprom is currently mapped or not. (m68hc11eepr_port_event): Use the flag to see if we must unmap or map the eeprom. Update the flag to reflect the current state. Use M6811_EEPROM_LEVEL when mapping the eeprom. (m68hc11eepr_finish): Remove overlap hack. (attach_m68hc11eepr_regs): Use M6811_IO_LEVEL when mapping the config and control registers. * dv-m68hc11.c (m68hc11cpu_finish): Remove overlap hack. (attach_m68hc11_regs): Use M6811_IO_LEVEL. (m68hc11cpu_io_write): Likewise when unmapping and re-mapping. * dv-m68hc11spi.c (m68hc11spi_finish): Likewise. (attach_m68hc11spi_regs): Likewise. * dv-m68hc11tim.c (m68hc11tim_finish): Likewise. (attach_m68hc11tim_regs): Likewise. * dv-m68hc11sio.c (m68hc11sio_finish): Likewise. (attach_m68hc11sio_regs): Likewise. * interp.c (sim_open): Likewise. * dv-nvram.c (attach_nvram_regs): Likewise. Thu Jul 27 21:27:25 2000 Andrew Cagney * configure, config.in: Regenerate. 2000-06-25 Stephane Carrez * Makefile.in (SIM_RUN_OBJS): Define to use nrun.c * dv-m68hc11.c (m68hc11cpu_finish): Register detach address callback. (dv_m6811_detach_address_callback): New function to detach a device from an address space. * dv-m68hc11eepr.c (m68hc11eepr_port_event): Initialize config register according to --cpu-config option. * sim-main.h (_sim_cpu): Add cpu_config member. * interp.c (sim_open): Delete specific simulator options. * m68hc11_sim.c (cpu_option_handler): New options --emulos and -cpu-config to configure the simulator. (cpu_initialize): Initialize cpu_config member. 2000-06-24 Stephane Carrez * emulos.c: Fix indentation and comments. * gencode.c: Likewise. * dv-m68hc11tim.c (m68hc11tim_timer_event): Handle COMPARE_EVENT. (m68hc11tim_io_write_buffer): Write compare registers and setup compare event. * interp.c: Remove unused global variables. * interrupts.c (idefs): New compare interrupts. Fix indentation and comments. * interrupts.h: Likewise. 2000-06-18 Stephane Carrez * dv-m68hc11sio.c: Fix indentation and comments. Remove INT_PORT. * dv-m68hc11.c: Fix indentation and comments. (m68hc11cpu_port_event): Move initialization of M6811_HPRIO from here. * m68hc11_sim.c (cpu_reset): To here. * dv-m68hc11eepr.c: Fix indentation and comments. 2000-06-17 Stephane Carrez * dv-nvram.c: New file, rename from dv-pram.c. * dv-pram.c: Delete file. * sim-main.h: Incorporate m68hc11_sim.h. * m68hc11_sim.h: Delete file. * configure.in: Rename pram into nvram. * interp.c (sim_open): Likewise in creation of device tree. 2000-05-31 Stephane Carrez * interp.c (sim_open): Create the SPI device. * dv-m68hc11spi.c: New file for SPI device simulation. * configure.in (hw_extra_devices): Add SPI device. 2000-05-28 Stephane Carrez * interrupts.c (interrupts_initialize): Clear XIRQ accounting. (interrupts_process): Separate IRQ and XIRQ accounting. (interrupts_info): Report XIRQ accounting. * interrupts.h (struct interrupts): Added accounting for XIRQ. 2000-04-16 Stephane Carrez * dv-pram.c (attach_pram_regs): Fix the 'save-modified' mode. * m68hc11_sim.h (_sim_cpu): Allow configuration of cpu mode. * dv-m68hc11.c (attach_m68hc11_regs): Get the cpu MODA,MODB configuration from the 'mode' device tree property. (m68hc11cpu_port_event): Reset M6811_HPRIO to the cpu MODA, MODB configuration. 2000-02-24 Stephane Carrez * sim-main.h: Remove WITH_TARGET_* defines. * Makefile.in (SIM_EXTRA_CFLAGS): Specify the WITH_TARGET_* flags. 2000-02-08 Stephane Carrez * dv-m68hc11sio.c (m68hc11sio_port_event): Setup the SCI to 1200 baud when cpu is in bootstrap mode. * dv-m68hc11tim.c (m68hc11tim_io_write_buffer): Be able to write in the TCTN timer register. * dv-m68hc11sio.c (m68hc11sio_io_write_buffer): Divide cpu clock by 4 to obtain the E clock frequency. (sccr2_desc): Use M6811_TIE for TIE bit. (m68hc11sio_info): Fix baud rate report. * dv-m68hc11tim.c (to_realtime): Likewise. * interp.c (sim_open): When building device tree, only provide devices that do not exist yet. * emulos.c: Fix compilation pb under Windows. * dv-m68hc11.c (attach_m68hc11_regs): Get the clock frequency from the 'clock' property. 2000-01-02 Stephane Carrez * m68hc11_sim.h (*_REGNUM): Define. (_sim_cpu): New member cpu_page0_reg table. * interp.c (sim_create_inferior): Fill the cpu_page0_reg table with addresses of soft registers in .page0. (sim_fetch_register, sim_store_register): Use cpu_page0_reg table to get/set soft registers. 1999-12-31 Stephane Carrez * dv-m68hc11.c (m68hc11cpu_io_write_buffer): Clear byte to avoid returning random values. 1999-12-17 Stephane Carrez * gencode.c: Fix "subb N,x" that used a instead of b. 1999-09-09 Stephane Carrez * gencode.c: Fixed sbc8 and adc8 when there was a initial carry. 1999-09-01 Stephane Carrez * sim-main.h (SIM_HANDLES_LMA): Define to enable loading using lma. 1999-08-14 Stephane Carrez * dv-m68hc11.c (attach_m68hc11_regs): Save the size of the register region in the m68hc11cpu struct. (m68hc11cpu_io_write): When the IO mapping addres changes, detach the register region and re-attach it at the new address. (m68hc11cpu_io_read_buffer): Renamed base_address into attach_address. (m68hc11cpu_io_write_buffer): Likewise. Pass the hw pointer to m68hc11cpu_io_write. 1999-08-13 Stephane Carrez * gencode.c: For sbc8, check the carry and increment the source before trying to set the carry for the result. 1999-05-24 John S. Kallal * interp.c (sim_get_info): Don't crash if the command line is 0. Define prototype for sim_get_info() and init_system(). (sim_info): Correct call to sim_get_info(). 1999-05-16 Stephane Carrez * configure.in: Recognize m6811-*-*. * configure: Regenerate. * m68hc11_sim.h (cpu_ccr_update_add8, cpu_ccr_update_add16, cpu_ccr_update_sub8, cpu_ccr_update_sub16): Correct the computation of carry of 8 and 16-bits add and subtract. * gencode.c: Use cpu_ccr_update_sub8 for subtraction (carry and overflow set in a different manner than add). 1999-05-14 Stephane Carrez * dv-m68hc11.c (dv_m6811_attach_address_callback): Removed a trace message. * interp.c (sim_open, sim_create_inferior): Initialize the cpu_elf_start from the ELF header. * m68hc11_sim.c (cpu_initialize): Clear the new data members. (cpu_restart): Use cpu_elf_start as the starting address when the flag is set. (cpu_special): When cpu_use_elf_start is set, the WAI instruction exits the simulator (exit status is in D). * m68hc11_sim.h (_sim_cpu): Added members cpu_use_elf_start and cpu_elf_star to start execution at address specified in ELF file. 1999-05-02 Stephane Carrez * Makefile.in, config.in, configure, configure.in: New files. * gencode.c: New file, generation of 68HC11 interpreter. * m68hc11_sim.h, m68hc11_sim.c: New files, specific operations for interpreter. * interrupts.c, interrupts.h: New files, management of interrupts. * interp.c, sim-main.h, * dv-m68hc11.c, dv-m68hc11eepr.c, dv-m68hc11sio.c, dv-m68hc11tim.c, dv-pram.c: New files representing devices for 68HC11 (dv-pram.c is generic and could probably migrate to common). * emulos.c: New file, basic emulation of some os.