KERNEL_MAX_PATH_LENGTH : 49 bytes KERNEL_MAX_PROCESS (Max process in the system) : 4 KERNEL_MAX_FP_PER_PROCESS (Max file pointer per process): 2 KERNEL_USERZP_SAVE_LENGTH : 16 bytes KERNEL_LENGTH_MAX_CMDLINE : 37 kernel_process_struct size (struct init process) : $16 bytes kernel_one_process_struct size (struct for one process) : $76 bytes With all the parameter all process could use 494 bytes in memory, if it's allocated
KERNEL_MAX_NUMBER_OF_MALLOC (max malloc for all process) : 9 kernel_malloc_struct size (malloc table) : $54 bytes XMAINARGS_STRUCT size : $31 bytes
System will need almost 578 bytes in memory, if we reached KERNEL_MAX_PROCESS, KERNEL_MAX_NUMBER_OF_MALLOC and KERNEL_MALLOC_FREE_CHUNK_MAX allocated kernel_end_of_variables_before_BUFNOM : 503 kernel_end_of_variables_before_BUFEDT : 58f kernel_end_of_memory_for_kernel (malloc will start at this adress) : 6a1 int MALLOC_BUSY_SIZE_LOW=0x570; int MALLOC_BUSY_SIZE_HIGH=0x567; int MALLOC_BUSY_BEGIN_HIGH=0x539; int MALLOC_BUSY_END_HIGH=0x54b; int MALLOC_BUSY_BEGIN_LOW=0x542; int MALLOC_BUSY_END_LOW=0x554; int KERNEL_MAX_NUMBER_OF_MALLOC=0x9; int MALLOC_FREE_SIZE_HIGH=0x2ba; int MALLOC_FREE_SIZE_LOW=0x2bf; int MALLOC_FREE_BEGIN_HIGH=0x52a; int MALLOC_FREE_BEGIN_LOW=0x525; int MALLOC_FREE_END_HIGH=0x534; int MALLOC_FREE_END_LOW=0x52f; int KERNEL_MALLOC_FREE_CHUNK_MAX=0x5; |CALL:XCRLF:XWR0 |CALL:XWR0:XCOSCR |MODIFY:work_channel:XWR0 |MODIFY:i_o_save:XWR0 |MODIFY:i_o_counter:XWR0 |MODIFY:ADIODB_VECTOR:XWR0 |MODIFY:SCRNB:XWR0 |MODIFY:ADSCR:XWR0 |MODIFY:FLGCUR:XWR0 |MODIFY:FLGCUR_STATE:XWR0 |MODIFY:CURSCR:XWR0 |MODIFY:ADSCRL:XWR0 |MODIFY:ADSCRH:XWR0 |MODIFY:FLGSCR:XWR0 |MODIFY:i_o_save:XWSTR0 |MODIFY:work_channel:XWSTR0 |MODIFY:ADDRESS_READ_BETWEEN_BANK:XWSTR0 |MODIFY:i_o_save:XWR0 |MODIFY:i_o_counter:XWR0 |MODIFY:ADIODB_VECTOR:XWR0 |MODIFY:SCRNB:XWR0 |MODIFY:ADSCR:XWR0 |MODIFY:FLGCUR:XWR0 |MODIFY:FLGCUR_STATE:XWR0 |MODIFY:CURSCR:XWR0 |MODIFY:ADSCRL:XWR0 |MODIFY:ADSCRH:XWR0 |MODIFY:FLGSCR:XWR0 |MODIFY:work_channel:XRD0 |MODIFY:i_o_counter:XRD0 |MODIFY:ADDRESS_VECTOR_FOR_ADIOB:XRD0 |MODIFY:ADIODB_VECTOR:XRD0 |MODIFY:KEYBOARD_COUNTER:XRD0 |MODIFY:KBDKEY:XRD0 |MODIFY:KBDSHT:XRD0 |MODIFY:$1B:XRDW0 |MODIFY:work_channel:XRD0 |MODIFY:i_o_counter:XRD0 |MODIFY:ADDRESS_VECTOR_FOR_ADIOB:XRD0 |MODIFY:ADIODB_VECTOR:XRD0 |MODIFY:KEYBOARD_COUNTER:XRD0 |MODIFY:KBDKEY:XRD0 |MODIFY:KBDSHT:XRD0 |MODIFY:IOTAB:XOP0 |MODIFY:work_channel:XOP0 |MODIFY:RES:_create_file_pointer |MODIFY:KERNEL_ERRNO:_create_file_pointer |CALL:XMALLOC:_create_file_pointer |MODIFY:RES:checking_fp_exists |MODIFY:RESB:checking_fp_exists |MODIFY:TR5:checking_fp_exists |MODIFY:RES:_set_to_value_seek_file |MODIFY:RES:kernel_create_process |MODIFY:RESB:kernel_create_process |MODIFY:TR4:kernel_create_process |MODIFY:TR5:kernel_create_process |MODIFY:KERNEL_ERRNO:kernel_create_process |MODIFY:KERNEL_MALLOC_TYPE:kernel_create_process |MODIFY:KERNEL_XKERNEL_CREATE_PROCESS_TMP:kernel_create_process |MODIFY:RES:kernel_kill_process |MODIFY:TR5:kernel_kill_process via XFREE_ROUTINE |MODIFY:RES:kernel_kill_process via XFREE_ROUTINE |MODIFY:RESB:ZADCHA |MODIFY:RES:XDECAY |MODIFY:RESB:XDECAY |MODIFY:TR0:XBINDX |MODIFY:TR1:XBINDX |MODIFY:TR2:XBINDX |MODIFY:TR3:XBINDX |MODIFY:TR4:XBINDX |MODIFY:TR5:XBINDX |CALL:XDECIM:XBINDX |CALL:XDECIM:XWR0 |MODIFY:TR4:XDECIM |MODIFY:TR5:XDECIM |MODIFY:TR6:XDECIM |MODIFY:RES:XADRESS |MODIFY:TR0:XDIVIS |MODIFY:TR1:XDIVIS |MODIFY:RES:XDIVIS |MODIFY:RESB:XDIVIS |MODIFY:RESB:XCLOSE_ROUTINE |MODIFY:TR7:XCLOSE_ROUTINE |MODIFY:PTR_READ_DEST:XREADBYTES_ROUTINE |MODIFY:RES:XREADBYTES_ROUTINE |MODIFY:TR0:XREADBYTES_ROUTINE |MODIFY:RESB:XGETCWD_ROUTINE |MODIFY:RES:XPUTCWD_ROUTINE |MODIFY:RESB:XPUTCWD_ROUTINE |MODIFY:PTR_READ_DEST:XWRITEBYTES_ROUTINE |MODIFY:RES:XWRITEBYTES_ROUTINE |MODIFY:RESB:XWRITEBYTES_ROUTINE |MODIFY:TR0:XFSEEK_ROUTINE |MODIFY:TR6:XFSEEK_ROUTINE |MODIFY:TR7:XFSEEK_ROUTINE |MODIFY:TR4:XFSEEK_ROUTINE |MODIFY:RESB:XFSEEK_ROUTINE |MODIFY:RES:XFSEEK_ROUTINE |MODIFY:KERNEL_XOPEN_PTR1:XFSEEK_ROUTINE |MODIFY:RES:XMKDIR_ROUTINE |MODIFY:ptr1:XMKDIR_ROUTINE |MODIFY:TR7:XMKDIR_ROUTINE |MODIFY:RES:XRM_ROUTINE CALL:_ch376_file_erase:XRM_ROUTINE CALL:XCLOSE:XRM_ROUTINE CALL:XOPEN:XRM_ROUTINE |MODIFY:RES:XOPENDIR |MODIFY:RESB:XOPENDIR |MODIFY:RESC:XOPENDIR |MODIFY:TR0:XOPENDIR |MODIFY:TR7:XOPENDIR |MODIFY:RESB:compute_path_relative |MODIFY:RESC:compute_path_relative |MODIFY:RESD:compute_path_relative |MODIFY:RESE:compute_path_relative |MODIFY:RESF:compute_path_relative |MODIFY:DECTRV:XDECAL |MODIFY:DECCIB:XDECAL |MODIFY:DECFIN:XDECAL |MODIFY:DECDEB:XDECAL |MODIFY:RES:XFILLM |MODIFY:RESB:XFILLM |MODIFY:HRSPAT:XHIRES |CALL:XTEXT:XCSSCR |MODIFY:FLGTEL:XTEXT |MODIFY:RES:_XEXEC |MODIFY:TR0:_XEXEC |MODIFY:TR1:_XEXEC |MODIFY:BUFEDT:_XEXEC |MODIFY:BNKOLD:_XEXEC |MODIFY:BNK_TO_SWITCH:_XEXEC |MODIFY:KERNEL_TMP_XEXEC:_XEXEC |MODIFY:KERNEL_KERNEL_XEXEC_BNKOLD:_XEXEC |MODIFY:HRS2:_XEXEC |MODIFY:HRS3:_XEXEC |MODIFY:VEXBNK:_XEXEC |MODIFY:RESB:_XEXEC |MODIFY:RES:_XFORK |MODIFY:TR0:_XFORK |MODIFY:TR1:_XFORK |MODIFY:RES:_XFORK via kernel_create_process |MODIFY:RESB:_XFORK via kernel_create_process |MODIFY:TR4:_XFORK via kernel_create_process |MODIFY:TR5:_XFORK via kernel_create_process |MODIFY:TR0:XMAINARGS_ROUTINE |MODIFY:TR1:XMAINARGS_ROUTINE |MODIFY:TR2:XMAINARGS_ROUTINE |MODIFY:TR3:XMAINARGS_ROUTINE |MODIFY:TR4:XMAINARGS_ROUTINE |MODIFY:RES:XMAINARGS_ROUTINE |MODIFY:REB:XMAINARGS_ROUTINE |MODIFY:KERNEL_ERRNO:XMAINARGS_ROUTINE |MODIFY:RES:XGETARGV_ROUTINE |MODIFY:RESB:XGETARGV_ROUTINE |MODIFY:RESB:getFileLength |MODIFY:ADHRS:XHRSCB |MODIFY:ADHRS:XHRSCH |MODIFY:HRSX40:XHRSCD |MODIFY:HRSX6:XHRSCD |MODIFY:HRSX40:XHRSCG |MODIFY:HRSX6:XHRSCG |MODIFY:RES:kernel_try_to_find_command_in_bin_path |MODIFY:RESB:kernel_try_to_find_command_in_bin_path |MODIFY:RESC:kernel_try_to_find_command_in_bin_path |MODIFY:RESD:kernel_try_to_find_command_in_bin_path |MODIFY:RESE:kernel_try_to_find_command_in_bin_path |MODIFY:RESF:kernel_try_to_find_command_in_bin_path |MODIFY:RESG:kernel_try_to_find_command_in_bin_path |MODIFY:RESH:kernel_try_to_find_command_in_bin_path |MODIFY:RESI:kernel_try_to_find_command_in_bin_path |MODIFY:PTR_READ_DEST:kernel_try_to_find_command_in_bin_path |MODIFY:RES:XOPEN_ROUTINE |MODIFY:RESB:XOPEN_ROUTINE |MODIFY:TR5:XOPEN_ROUTINE |MODIFY:TR7:XOPEN_ROUTINE |MODIFY:XOPEN_SAVE:XOPEN_ROUTINE |MODIFY:XOPEN_FLAGS:XOPEN_ROUTINE |MODIFY:XOPEN_RES_SAVE:XOPEN_ROUTINE |MODIFY:XOPEN_SAVEA:XOPEN_ROUTINE |MODIFY:KERNEL_ERRNO:XOPEN_ROUTINE |MODIFY:KERNEL_XOPEN_PTR1:XOPEN_ROUTINE |MODIFY:TR7:XMALLOC_ROUTINE |MODIFY:KERNEL_ERRNO:XMALLOC_ROUTINE |MODIFY:RES:XFREE_ROUTINE |MODIFY:KERNEL_XFREE_TMP:XFREE_ROUTINE |#MEMMAP: Memmap |##MEMMAP: Page 0 |MEMMAP:Type | Name | Range | Size | |MEMMAP: :------- |:----------------------------- |:----------- |:-----| |MEMMAP:RAM|RES | $00-$01 | 2 | |MEMMAP:RAM|RESB | $02-$03 | 2 | |MEMMAP:RAM|RESC | $04-$05 | 2 | |MEMMAP:RAM|RESD | $06-$07 | 2 | |MEMMAP:RAM|RESE | $08-$09 | 2 | |MEMMAP:RAM|RESF | $0A-$0B | 2 | |MEMMAP:RAM|RESG | $59-$5A | 2 | |MEMMAP:RAM|RESH | $60-$61 | 2 | |MEMMAP:RAM|RESI | $62-$63 | 2 | |MEMMAP:RAM|RESCONCAT | $64-$65 | 2 | |MEMMAP:RAM|TR0 | $0C-$0C | 1 | |MEMMAP:RAM|TR1 | $0D-$0D | 1 | |MEMMAP:RAM|TR2 | $0E-$0E | 1 | |MEMMAP:RAM|TR3 | $0F-$0F | 1 | |MEMMAP:RAM|TR4 | $10-$10 | 1 | |MEMMAP:RAM|TR5 | $11-$11 | 1 | |MEMMAP:RAM|TR6 | $12-$12 | 1 | |MEMMAP:RAM|TR7 | $13-$13 | 1 | |MEMMAP:RAM|DEFAFF | $14-$14 | 1 | |MEMMAP:RAM|FREE | $15-$16 | 2 | |MEMMAP:RAM|ADDRESS_VECTOR_FOR_ADIOB | $17-$18 | 2 | |MEMMAP:RAM|work_channel | $19-$19 | 1 | |MEMMAP:RAM|i_o_counter | $1A-$1B | 2 | |MEMMAP:RAM|FREE | $1C-$1C | 1 | |MEMMAP:RAM|GS | $1D-$1D | 1 | |MEMMAP:RAM|FREE | $1E-$1E | 1 | |MEMMAP:RAM|TOFIX | $1F-$1F | 1 | |MEMMAP:RAM|TOFIX | $20-$20 | 1 | |MEMMAP:RAM|IRQSVA | $21-$21 | 1 | |MEMMAP:RAM|IRQSVX | $22-$22 | 1 | |MEMMAP:RAM|IRQSVY | $23-$23 | 1 | |MEMMAP:RAM|IRQSVP | $24-$24 | 1 | |MEMMAP:RAM|FIXME_PAGE0_0 | $25-$25 | 1 | |MEMMAP:RAM|ADSCR | $26-$27 | 2 | |MEMMAP:RAM|SCRNB | $28-$29 | 2 | |MEMMAP:RAM|ADKBD | $2A-$2B | 2 | |MEMMAP:RAM|PTR_READ_DEST | $2C-$2D | 2 | |MEMMAP:RAM|FREE | $2E-$31 | | |MEMMAP:RAM|ptr1 | $32-$33 | 2 | |MEMMAP:RAM|tmp1 | $34-$34 | 1 | |MEMMAP:RAM|FREE | $35-$3F | | |MEMMAP:RAM|ADCLK | $40-$41 | 2 | |MEMMAP:RAM|TIMEUS | $42-$43 | 2 | |MEMMAP:RAM|TIMEUD (used in cc65 clock function)| $44-$45 | 2 | |MEMMAP:RAM|HRSX | $46-$46 | 1 | |MEMMAP:RAM|HRSY | $47-$47 | 1 | |MEMMAP:RAM|FREE | $48-$48 | 1 | |MEMMAP:RAM|HRSX40 | $49-$49 | 1 | |MEMMAP:RAM|HRSX6 | $4A-$4A | 1 | |MEMMAP:RAM|ADHRS | $4B-$4C | 2 | |MEMMAP:RAM|HRS1 | $4D-$4E | 2 | |MEMMAP:RAM|HRS2 | $4F-$50 | 2 | |MEMMAP:RAM|HRS3 | $51-$52 | 2 | |MEMMAP:RAM|HRS4 | $53-$54 | 2 | |MEMMAP:RAM|HRS5 | $55-$56 | 2 | |MEMMAP:RAM|HRSFB | $57-$57 | 1 | |MEMMAP:RAM|VABPK1 | $58-$58 | 1 | |MEMMAP:RAM|FREE | $59-$5A | 2 | |MEMMAP:RAM|INDRS | $5B-$5B | 1 | |MEMMAP:RAM|FREE | $5C-$5F | 2 | |MEMMAP:RAM|FREE | $8C-$FF | 115 | |##MEMMAP: Page 2 |MEMMAP:Type | Name | Range | Size | |MEMMAP: :------- |:----------------------------- |:----------- |:-----| |MEMMAP:RAM|KERNEL_ERRNO | $0200-$0200 | 1 | |MEMMAP:RAM|KERNEL_CH376_MOUNT | $0201-$0201 | 1 | |MEMMAP:RAM|KERNEL_XFREE_TMP | $0202-$0202 | 1 | |MEMMAP:RAM|KERNEL_XKERNEL_CREATE_PROCESS_TMP| $0203-$0203 | 1 | |MEMMAP:RAM|KERNEL_TMP_XEXEC | $0204-$0204 | 1 | |MEMMAP:RAM|KERNEL_KERNEL_XEXEC_BNKOLD | $0205-$0205 | 1 | |MEMMAP:RAM|KERNEL_MALLOC_TYPE | $0206-$0206 | 1 | |MEMMAP:RAM|KERNEL_SAVE_XEXEC_CURRENT_SET| $0207-$0207 | 1 | |MEMMAP:RAM|KERNEL_SAVE_XEXEC_CURRENT_ROM_RAM| $0208-$0209 | 1 | |MEMMAP:RAM|FREE | $0209-$020F | 6 | |MEMMAP:RAM|TIMED | $0210-$0210 | 1 | |MEMMAP:RAM|TIMES | $0211-$0211 | 1 | |MEMMAP:RAM|TIMEM | $0212-$0212 | 1 | |MEMMAP:RAM|TIMEH | $0213-$0213 | 1 | |MEMMAP:RAM|FLGCLK | $0214-$0214 | 1 | |MEMMAP:RAM|FLGCLK_FLAG | $0215-$0215 | 1 | |MEMMAP:RAM|FLGCUR | $0216-$0216 | 1 | |MEMMAP:RAM|FLGCUR_STATE | $0217-$0217 | 1 | |MEMMAP:RAM|ADSCRL | $0218-$021B | 4 | |MEMMAP:RAM|ADSCRH | $021C-$021F | 4 | |MEMMAP:RAM|SCRX | $0220-$0220 | 1 | |MEMMAP:RAM|BUSY_BANK_TABLE_RAM | $0221-$0224 | 3 | |MEMMAP:RAM|SCRY | $0224-$0227 | 4 | |MEMMAP:RAM|SCRDX | $0228-$0228 | 1 | |MEMMAP:RAM|SCRFX | $022C-$022C | 1 | |MEMMAP:RAM|SCRFY | $0234-$0234 | 1 | |MEMMAP:RAM|SCRDY | $0230-$0230 | 1 | |MEMMAP:RAM|SCRBAL | $0238-$0238 | 1 | |MEMMAP:RAM|SCRBAH | $023C-$023C | 1 | |MEMMAP:RAM|SCRCT | $0240-$0240 | 1 | |MEMMAP:RAM|SCRCF | $0244-$0244 | 1 | |MEMMAP:RAM|FIXME | $0248-$0220 | 80 | |MEMMAP:RAM|FLGSCR | $0248-$024C | 4 | |MEMMAP:RAM|CURSCR | $024C-$024D | 1 | |MEMMAP:RAM|FREE | $024D-$0256 | 11 | |MEMMAP:RAM|SCRTXT | $0256-$0260 | 4 | |MEMMAP:RAM|SCRHIR (not used) | $025C-$0260 | 4 | |MEMMAP:RAM|SCRTRA | $0262-$0266 | 6 | |MEMMAP:RAM|KBDCOL | $0268-$0270 | 8 | |MEMMAP:RAM|KBDFLG_KEY | $0270-$0272 | 2 | |MEMMAP:RAM|KBDVRR | $0272-$0273 | 1 | |MEMMAP:RAM|KBDVRL | $0273-$0275 | 2 | |MEMMAP:RAM|FLGKBD | $0275-$0276 | 1 | |MEMMAP:RAM|KBDFCT | $0276-$0277 | 1 | |MEMMAP:RAM|KBDSHT | $0278-$0279 | 1 | |MEMMAP:RAM|KBDKEY | $0279-$027E | 1 | |MEMMAP:RAM|KBDCTC | $027E-$027F | 2 | |MEMMAP:RAM|FREE | $027F-$02A5 | 40 | |MEMMAP:RAM|KEYBOARD_COUNTER | $02A6-$02A9 | 3 | |MEMMAP:RAM|HRSPAT | $02AA-$02AA | 1 | |MEMMAP:RAM|IOTAB | $02AE-$02B1 | X | |MEMMAP:RAM|KERNEL_ADIOB | $02B2-$02B9 | 8 | |MEMMAP:RAM|kernel_malloc_free_chunk_size | $02BA-$02C3 | 10 | |MEMMAP:RAM|kernel_xmalloc_call | $02C4-$02EB | 39 | |MEMMAP:RAM|FLGRST | $02EE-$02EE | 1 | |MEMMAP:RAM|CSRND | $02EF-$02EF | 1 | |MEMMAP:RAM|FREE | $02EC-$02ED | 2 | |MEMMAP:RAM|VNMI | $02F4-$02F7 | 3 | |MEMMAP:RAM|ADIODB_VECTOR | $02F7-$02FA | 3 | |MEMMAP:RAM|IRQVECTOR | $02FA-$02FD | 3 | |MEMMAP:RAM|VAPLIC | $02FD-$0300 | 3 | |##MEMMAP: Page 3 |MEMMAP:Type | Name | Range | Size | |MEMMAP: :------- |:----------------------------- |:----------- |:-----| |MEMMAP:IO |VIA1 | $0300-$030F | | |##MEMMAP: Page 4 |MEMMAP:Type | Name | Range | Size | |MEMMAP: :------- |:----------------------------- |:----------- |:-----| |MEMMAP:RAM|page4 overlay_access | $0419-$0436 | 54 | |MEMMAP:RAM|page4 ORIX_VECTOR_READ_VALUE_INTO_RAM_OVERLAY | $0411-$0411 | 3 | |##MEMMAP: Page 5&6 |MEMMAP:Type | Name | Range | Size | |MEMMAP: :------- |:----------------------------- |:----------- |:-----| |MEMMAP:RAM|FREE | $0517-$0525 | 14 | |MEMMAP:RAM|Malloc table | $0525-$0579 | 84 | |MEMMAP:RAM|main kernel process struct | $0579-$058F | 22 | |MEMMAP:RAM|BUFEDT | $0590-$05FE | 110 | |MEMMAP:RAM|KERNEL_MEMORY_DRIVER | $05FE-$06A1 | 163 | |##MEMMAP: Kernel bank 7 |MEMMAP: Type | Name | Range | Size | |MEMMAP: :-------- |:---------------------------- |:------- |:-----| |MEMMAP:ROM|FREE |$feee-$fff0| 258 | |##MEMMAP: Bank 0 |MEMMAP: Type | Name | Range | Size | |MEMMAP: -------- | ---------------------------- | ------- |-----| |MEMMAP:BANK0|BUFBUF | $c080-$c0b6 | 54 | |MEMMAP:BANK0|BUFROU | $c500-$c54e | | |MEMMAP:BANK0|TELEMON_KEYBOARD_BUFFER_BEGIN | $c5c4-$c680 | | |MEMMAP:BANK0|XMALLOC (copy from kernel) | $fba0-$fc4c | | |MEMMAP:BANK0|XFREE (copy from kernel) | $fc4c-$fed1 | |