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open-roms/src/aliases/,aliases_ram_lowmem.s
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FeralChild64 c8d255130c migrated to ACME assembler 
commit 145d64aa6e78838ed07cefed372f0ad6a4687e97
Author: FeralChild64 <you@example.com>
Date:   Sun Sep 20 20:16:57 2020 +0200

    ACME adaptation

commit 885209d7822286744ea53232ae7461472a01d5d6
Author: FeralChild64 <you@example.com>
Date:   Sun Sep 20 19:57:25 2020 +0200

    ACME adaptation

commit 334d84486bc603551887e7cbeb59d329f2224cc7
Author: FeralChild64 <you@example.com>
Date:   Sun Sep 20 18:29:15 2020 +0200

    ACME adaptation

commit b5966f49bcd8f0ca79cbec93819a31238924707e
Author: FeralChild64 <you@example.com>
Date:   Sun Sep 20 18:09:31 2020 +0200

    ACME adaptation

commit 786536a93a5eab5e676fca99625b4eb094a554e7
Author: FeralChild64 <you@example.com>
Date:   Sun Sep 20 17:24:48 2020 +0200

    ACME adaptation

commit 704c70dfb1f5d68775d6f3da220803b8a3990f56
Author: FeralChild64 <you@example.com>
Date:   Sun Sep 20 15:07:12 2020 +0200

    ACME adaptation

commit 136874964c9083b375f151475310f9636871fc72
Author: FeralChild64 <you@example.com>
Date:   Sun Sep 20 14:45:14 2020 +0200

    ACME adaptation

commit 8eca0d5700b72d04336e72c5cd3a68e18b85f96d
Author: FeralChild64 <you@example.com>
Date:   Sun Sep 20 14:06:52 2020 +0200

    ACME adaptation

commit 11d29eb7ee318239d782f85498b6d0524624d5c4
Author: FeralChild64 <you@example.com>
Date:   Sun Sep 20 13:56:45 2020 +0200

    ACME apaptation

commit c9b5e5e04cceb92c66bc027e6440bc0f7c5a499f
Author: FeralChild64 <you@example.com>
Date:   Sun Sep 20 13:49:04 2020 +0200

    ACME adaptation

commit f5cc254cbc921f07863807468cb3fe26b410b409
Author: FeralChild64 <you@example.com>
Date:   Sun Sep 20 13:01:18 2020 +0200

    ACME adaptation

commit e135a27bf9c30cc0965379c954564e06406303b1
Author: FeralChild64 <you@example.com>
Date:   Sat Sep 19 21:55:01 2020 +0200

    ACME adaptation

commit e9dfddf90d9e2795e88b7da40ae050d733faeb56
Author: FeralChild64 <you@example.com>
Date:   Sat Sep 19 21:48:47 2020 +0200

    Makefile fix

commit 07030104c65cf5e5beeacf6d629ccb9245e58657
Author: FeralChild64 <you@example.com>
Date:   Sat Sep 19 21:42:00 2020 +0200

    ACME adaptation

commit f824362ee5bcfbffca86c430b57773b2ffd65655
Author: FeralChild64 <you@example.com>
Date:   Sat Sep 19 20:14:56 2020 +0200

    ACME adaptation

commit 3a3c59007dcd4940d89b8669f34ca56b61c25fdf
Author: FeralChild64 <you@example.com>
Date:   Fri Sep 18 21:51:45 2020 +0200

    ACME adaptation

commit 6790ef7bc88a41de2881c69b7524dd4ab8c74b5d
Author: FeralChild64 <you@example.com>
Date:   Fri Sep 18 20:35:23 2020 +0200

    ACME adaptation

commit 38ad18b90e9ec713aa7ca49576b3388ce1733357
Author: FeralChild64 <you@example.com>
Date:   Fri Sep 18 18:46:20 2020 +0200

    ACME adaptation

commit 541340371122a9702f7b2d9771c298223cffd0e9
Author: FeralChild64 <you@example.com>
Date:   Fri Sep 18 16:49:46 2020 +0200

    ACME adaptation

commit 25cfd5e186459be1a260d3eb8cfff767838de370
Author: FeralChild64 <you@example.com>
Date:   Thu Sep 17 20:13:33 2020 +0200

    ACME adaptation

commit f61599444d5b1d03d8fd8e4a6a7c3b85069bedb3
Author: FeralChild64 <you@example.com>
Date:   Thu Sep 17 19:29:23 2020 +0200

    ACME adaptation

commit b290be31ec7bb2e5723607697da1bbc621c84429
Author: FeralChild64 <you@example.com>
Date:   Thu Sep 17 17:20:14 2020 +0200

    ACME adaptation

commit 877be9e856880d98fd4bcb25b42aaaacda9dc463
Author: FeralChild64 <you@example.com>
Date:   Wed Sep 16 21:47:38 2020 +0200

    ACME adaptation

commit bb20edaf85d386e41d5c2f715b745b68fbd3362e
Author: FeralChild64 <you@example.com>
Date:   Wed Sep 16 21:31:30 2020 +0200

    ACME adaptation

commit c5d31bd8685abce37c8e254d15aac20bd1570d9f
Author: FeralChild64 <you@example.com>
Date:   Wed Sep 16 18:40:49 2020 +0200

    ACME adaptation

commit 29349826b38f8a89649171559dc8cf24c560aff1
Author: FeralChild64 <you@example.com>
Date:   Mon Sep 14 23:35:47 2020 +0200

    ACME adaptation

commit 8bcd6a621c4b11766d0cf34f79858ba90a67248e
Author: FeralChild64 <you@example.com>
Date:   Mon Sep 14 22:52:25 2020 +0200

    ACME adaptation

commit e87a69edc2ce4bfcc460c31e08dcc352a985f88d
Author: FeralChild64 <you@example.com>
Date:   Mon Sep 14 22:43:27 2020 +0200

    ACME adaptation

commit f49a097bd52e96d00b866c02bda7121e4543233c
Author: FeralChild64 <you@example.com>
Date:   Mon Sep 14 19:02:07 2020 +0200

    ACME adaptation

commit fa0e9214a633b8e8f867cc70925b390940dcd426
Author: FeralChild64 <you@example.com>
Date:   Mon Sep 14 17:47:19 2020 +0200

    ACME adaptation

commit 1b763b91e7a03e426227129c7f22f0ce57a4c197
Author: FeralChild64 <you@example.com>
Date:   Mon Sep 14 17:17:10 2020 +0200

    ACME adaptation

commit e92a4b57b232cd85eb1e71090b8a89c7c8461ebc
Author: FeralChild64 <you@example.com>
Date:   Mon Sep 14 17:15:37 2020 +0200

    ACME adaptation

commit de3c693e8a7e73ea5289198946058e3240894e6a
Author: FeralChild64 <you@example.com>
Date:   Mon Sep 14 17:10:05 2020 +0200

    ACME adaptation

commit f9bd7ae0f04e932d613be9ed5cb19af9be5d338e
Author: FeralChild64 <you@example.com>
Date:   Sun Sep 13 14:34:44 2020 +0200

    ACME adaptation

commit 694dee52555dbfc2b1f7f452a9671ff51106c057
Author: FeralChild64 <you@example.com>
Date:   Sun Sep 13 14:16:14 2020 +0200

    ACME adaptation

commit 0af2c55edfcd22942d9f25417eb0d35f55b71604
Author: FeralChild64 <you@example.com>
Date:   Fri Sep 11 17:38:09 2020 +0200

    ACME adaptation

commit 2015e17334bd56a1e8a13a5abc098d9c2e7ea44f
Author: FeralChild64 <you@example.com>
Date:   Fri Sep 11 16:46:05 2020 +0200

    ACME adaptation

commit b1e972162798d60f4483cd6cc261e856c20c2c8c
Author: FeralChild64 <you@example.com>
Date:   Fri Sep 11 16:24:31 2020 +0200

    ACME adaptation

commit 9d027e868466901ba53bf074a79ec8cf16273021
Author: FeralChild64 <you@example.com>
Date:   Fri Sep 11 15:04:31 2020 +0200

    ACME adaptation

commit 957186deddd1aa4f3b4f1aa1f421e4239a584e57
Author: FeralChild64 <you@example.com>
Date:   Thu Sep 10 22:49:07 2020 +0200

    ACME adaptation

commit b8060f67a455cfac109f08d96b62c360d693b931
Author: FeralChild64 <you@example.com>
Date:   Wed Sep 9 23:07:28 2020 +0200

    ACME adaptation

commit e54d004568f44bbfe5c070ef1d7cf3544112e497
Author: FeralChild64 <you@example.com>
Date:   Wed Sep 9 22:58:20 2020 +0200

    ACME adaptation

commit f90b77f073c5a605cb31c6ee451f65c8a8aff7d8
Author: FeralChild64 <you@example.com>
Date:   Wed Sep 9 22:12:09 2020 +0200

    ACME adaptation

commit b211bb4afcd9c58fe1f5c92f3007717d611cd531
Author: FeralChild64 <you@example.com>
Date:   Wed Sep 9 22:01:40 2020 +0200

    ACME adaptation

commit 8d7ea343b07e9e08e5f77f3c414758a6cffd0440
Author: FeralChild64 <you@example.com>
Date:   Wed Sep 9 21:38:34 2020 +0200

    ACME adaptation

commit 46413eb0d92d6400aba0ff8dfe556e61e8a44d78
Author: FeralChild64 <you@example.com>
Date:   Wed Sep 9 21:07:47 2020 +0200

    ACME adaptation

commit 9f98f69ecc21f7b74a5eb89e247f5a2c6fcb655d
Author: FeralChild64 <you@example.com>
Date:   Wed Sep 9 20:05:03 2020 +0200

    ACME adaptation

commit 7bb9f1cadc682c7e0a4a6796739d860d473ca110
Author: FeralChild64 <you@example.com>
Date:   Wed Sep 9 19:55:12 2020 +0200

    ACME adaptation

commit 5fc115392b5bdca6b56f67ad866b1884d2d2bdf8
Author: FeralChild64 <you@example.com>
Date:   Wed Sep 9 19:31:10 2020 +0200

    ACME adaptation

commit b7940fc60e568d859df9e3156f6bacc6d685b2cc
Author: FeralChild64 <you@example.com>
Date:   Wed Sep 9 19:16:09 2020 +0200

    ACME adaptation

commit 56288cb97197561afa0816b29c134ec1190e8eab
Author: FeralChild64 <you@example.com>
Date:   Wed Sep 9 18:48:23 2020 +0200

    ACME adaptation

commit 10401a60fc7922a53d782120ef6795d889140218
Author: FeralChild64 <you@example.com>
Date:   Wed Sep 9 16:34:16 2020 +0200

    ACME adaptation

commit 8ce76e4d2b56837a691ae84b1a412a2ae32a157b
Author: FeralChild64 <you@example.com>
Date:   Wed Sep 9 16:20:44 2020 +0200

    ACME adaptation

commit 33fade899fa6172ea6b5b5f6683bb61f544429fd
Author: FeralChild64 <you@example.com>
Date:   Wed Sep 9 15:28:46 2020 +0200

    ACME adaptation

commit a416f04734402fcfbc57a933731376df2e0180a1
Author: FeralChild64 <you@example.com>
Date:   Wed Sep 9 12:40:03 2020 +0200

    ACME adaptation

commit f8daee005b1d29f6912723be2ac94bc5fbeb0508
Author: FeralChild64 <you@example.com>
Date:   Mon Sep 7 23:29:54 2020 +0200

    ACME adaptation

commit 83fe6bdd0b08a44fdbfc6eefe323a4b194ccaf5b
Author: FeralChild64 <you@example.com>
Date:   Mon Sep 7 22:23:16 2020 +0200

    ACME adaptation

commit cb1f75620b9c83000a15c9c7f7acefdfee79a979
Author: FeralChild64 <you@example.com>
Date:   Mon Sep 7 19:23:12 2020 +0200

    ACME adaptation

commit e524d517c933ae1f0aeb49764d307fadb4845025
Author: FeralChild64 <you@example.com>
Date:   Sun Sep 6 08:24:25 2020 +0200

    ACME adaptation - replaced comments

commit 2ab572c3a21f4a78a7312d0e684bc11d91d1717a
Author: FeralChild64 <you@example.com>
Date:   Sat Sep 5 17:59:10 2020 +0200

    ACME adaptation - replaced the assembler
2020-09-20 20:22:36 +02:00

327 lines
16 KiB
ArmAsm
Raw Blame History

;
; Names of ZP and low memory locations:
; - Computes Mapping the Commodore 64
; - https://www.c64-wiki.com/wiki/Zeropage
; - http://unusedino.de/ec64/technical/project64/memory_maps.html
;
; $00-$01 - 6502 CPU registers are here
;
; Page 0 - BASIC area ($02-$8F)
;
; $02 -- UNUSED -- free for user software
!addr ADRAY1 = $03 ; $03-$04
!addr ADRAY2 = $05 ; $05-$06
!addr CHARAC = $07 ; [!] our implementation might be different XXX give more details
!addr ENDCHR = $08 ; [!] our implementation might be different XXX give more details
!addr TRMPOS = $09 ; -- NOT IMPLEMENTED --
!addr VERCKB = $0A ; flag used by BASIC, 0 - LOAD, 1 - VERIFY
!addr COUNT = $0B ; [!] our implementation might be different XXX give more details
!addr DIMFLG = $0C ; [!] our implementation might be different XXX give more details
!addr VALTYP = $0D ; expression eveluation result; $00 - float, $FF - string
!addr INTFLG = $0E ; -- NOT IMPLEMENTED --
!addr GARBFL = $0F ; [!] our implementation might be different XXX give more details
!addr SUBFLG = $10 ; -- NOT IMPLEMENTED --
!addr INPFLG = $11 ; -- NOT IMPLEMENTED --
!addr TANSGN = $12 ; -- NOT IMPLEMENTED --
!addr CHANNL = $13 ; -- NOT IMPLEMENTED --
!addr LINNUM = $14 ; $14-$15 BASIC line number, [!] also used by DOS Wedge
!addr TEMPPT = $16 ; pointer to the first available slot in the temporary string descriptor stack
!addr LASTPT = $17 ; $17-$18 pointer to the last used slot in the temporary string descriptor
!addr TEMPST = $19 ; $19-$21 temporary string stack descriptors
!addr INDEX = $22 ; $22-$25 temporary variables, [!] our usage might be different
!addr RESHO = $26 ; $26-$2A temporary variables, [!] our usage might be different
!addr TXTTAB = $2B ; $2B-$2C start of BASIC code
!addr VARTAB = $2D ; $2D-$2E end of BASIC code, start of variables
!addr ARYTAB = $2F ; $2F-$30 pointer to start of array storage
!addr STREND = $31 ; $31-$32 pointer to start of free RAM
!addr FRETOP = $33 ; $33-$34 pointer to bottom of strings area
!addr FRESPC = $35 ; $35-$36 [!] our implementation uses this as temporary string pointer
!addr MEMSIZ = $37 ; $37-$38 highest address of BASIC memory + 1
!addr CURLIN = $39 ; $39-$3A current BASIC line number
!addr OLDLIN = $3B ; $3B-$3C previous BASIC line number
!addr OLDTXT = $3D ; $3D-$3E current BASIC line pointer
!addr DATLIN = $3F ; $3F-$40 -- NOT IMPLEMENTED --
!addr DATPTR = $41 ; $41-$42 pointer for READ/DATA copmmands
!addr INPPTR = $43 ; $43-$44 -- NOT IMPLEMENTED --
!addr VARNAM = $45 ; $45-$46 current variable name
!addr VARPNT = $47 ; $47-$48 current variable/descriptor pointer
!addr FORPNT = $49 ; $49-$4A -- NOT IMPLEMENTED --
!addr OPPTR = $4B ; $4B-$4C helper variable for expression computation, [!] our usage details are different
!addr OPMASK = $4D ; -- NOT IMPLEMENTED --
!addr DEFPNT = $4E ; $4E-$4F -- NOT IMPLEMENTED --
!addr DSCPNT = $50 ; $50-$52 temporary area fro string handling, [!] our usage might differ
!addr FOUR6 = $53 ; size of variable content (float = 5, integer = 2, string descriptor = 3)
!addr JMPER = $54 ; $54-$56 -- NOT IMPLEMENTED --
!addr TEMPF1 = $57 ; $57-$5B BASIC numeric work area
!addr TEMPF2 = $5C ; $5C-$60 BASIC numeric work area
!addr __FAC1 = $61 ; $61-$66 floating point accumulator 1
!addr FAC1_exponent = $61
!addr FAC1_mantissa = $62 ; $62 - $65
!addr FAC1_sign = $66
!addr SGNFLG = $67 ; -- NOT IMPLEMENTED --
!addr BITS = $68 ; FAC1 overflow
!addr __FAC2 = $69 ; $69-$6E floating point accumulator 2 [!] also used for memory move pointers
!addr FAC2_exponent = $69
!addr FAC2_mantissa = $6A ; $6A - $6D
!addr FAC2_sign = $6E
!addr ARISGN = $6F ; -- NOT IMPLEMENTED --
!addr FACOV = $70 ; FAC1 low order mantissa
!addr FBUFPT = $71 ; $71-$72 -- NOT IMPLEMENTED --
!addr CHRGET = $73 ; $73-$8A -- NOT IMPLEMENTED --
!addr TXTPTR = $7A ; $7A-$7B current BASIC statement pointer
!addr RNDX = $8B ; $8B-$8F random number seed
;
; Page 0 - Kernal area ($90-$FF)
;
!addr IOSTATUS = $90
!addr STKEY = $91 ; keys down clears bits. STOP - bit 7, C= - bit 6, SPACE - bit 4, CTRL - bit 2
!addr SVXT = $92 ; tape reading constant [!] our tape routines use it differently
!addr VERCKK = $93 ; 0 = LOAD, 1 = VERIFY
!addr C3PO = $94 ; flag - is BSOUR content valid
!addr BSOUR = $95 ; serial bus buffered output byte
!addr SYNO = $96 ; temporary tape routines storage, [!] our usage differs
!addr XSAV = $97 ; temporary register storage for ASCII/tape related routines [!] usage details might differ
!addr LDTND = $98 ; number of entries in LAT / FAT / SAT tables
!addr DFLTN = $99 ; default input device
!addr DFLTO = $9A ; default output device
!addr PRTY = $9B ; tape storage for parity/checksum
!ifndef HAS_TAPE {
!addr DPSW = $9C ; -- NOT IMPLEMENTED --
} else {
!addr COLSTORE = $9C ; [!] screen border storage for tape routines
}
!addr MSGFLG = $9D ; bit 6 = error messages, bit 7 = control message
!addr PTR1 = $9E ; for tape support, counter of errorneous bytes
!addr PTR2 = $9F ; for tape support, counter for errorneous bytes correction
!addr TIME = $A0 ; $A0-$A2 jiffy clock
!addr IECPROTO = $A3 ; [!] IEC or pseudo-IEC protocol, >= $80 for unknown; originally named TSFCNT
!addr TBTCNT = $A4 ; temporary variable for tape and IEC, [!] our usage probably differs in details
!addr CNTDN = $A5 ; -- NOT IMPLEMENTED --
!addr BUFPNT = $A6 ; -- NOT IMPLEMENTED --
!addr INBIT = $A7 ; temporary storage for tape / RS-232 received bits
!ifndef CONFIG_LEGACY_SCNKEY {
!addr BITCI = $A8 ; -- NOT IMPLEMENTED --
!addr RINONE = $A9 ; -- WIP -- (UP9600 only) RS-232 check for start bit flag
!addr RIDDATA = $AA ; -- NOT IMPLEMENTED --
!addr RIPRTY = $AB ; -- WIP -- checksum while reading tape
}
!addr SAL = $AC ; $AC-$AD -- XXX: describe -- (implemented screen part)
!addr EAL = $AE ; $AE-$AF -- XXX: describe -- [!] used also by screen editor, for temporary color storage when scrolling
!addr CMP0 = $B0 ; $B0-$B1 temporary tape storage, [!] here used for BRK instruction address
!addr TAPE1 = $B2 ; $B2-$B3 tape buffer pointer
!ifndef CONFIG_LEGACY_SCNKEY {
!addr BITTS = $B4 ; -- NOT IMPLEMENTED --
}
!addr NXTBIT = $B5 ; -- NOT IMPLEMENTED --
!ifndef CONFIG_LEGACY_SCNKEY {
!addr RODATA = $B6 ; -- NOT IMPLEMENTED --
}
!addr FNLEN = $B7 ; current file name length
!addr LA = $B8 ; current logical_file number
!addr SA = $B9 ; current secondary address
!addr FA = $BA ; current device number
!addr FNADDR = $BB ; $BB-$BC current file name pointer
!addr ROPRTY = $BD ; -- NOT IMPLEMENTED -- tape / RS-232 temporary storage
!addr FSBLK = $BE ; -- NOT IMPLEMENTED -- tape / RS-232 temporary storage
!addr MYCH = $BF ; -- NOT IMPLEMENTED --
!addr CAS1 = $C0 ; tape motor interlock
!addr STAL = $C1 ; $C1-$C2 LOAD/SAVE start address
!addr MEMUSS = $C3 ; $C3-$C4 temporary address for tape LOAD/SAVE
!addr LSTX = $C5 ; last key matrix position [!] our usage probably differs in details
!addr NDX = $C6 ; number of chars in keyboard buffer
!addr RVS = $C7 ; flag, whether to print reversed characters
!addr INDX = $C8 ; end of logical line (column, 0-79)
!addr LSXP = $C9 ; $C9-$CA start of input, X/Y position (typo in Mapping the C64, fixed in Mapping the C128)
!addr SFDX = $CB ; -- NOT IMPLEMENTED --
!addr BLNSW = $CC ; cursor blink disable flag
!addr BLNCT = $CD ; cursor blink countdown
!addr GDBLN = $CE ; cursor saved character
!addr BLNON = $CF ; cursor visibility flag
!addr CRSW = $D0 ; whether to input from screen or keyboard (if from screen, stores input offset)
!addr PNT = $D1 ; $D1-$D2 pointer to the current screen line
!addr PNTR = $D3 ; current screen X position (logical column), 0-79
!addr QTSW = $D4 ; quote mode flag
!addr LNMX = $D5 ; logical line length, 39 or 79
!addr TBLX = $D6 ; current screen Y position (row), 0-24
!addr SCHAR = $D7 ; ASCII value of the last printed character
!addr INSRT = $D8 ; insert mode flag/counter
!addr LDTB1 = $D9 ; $D9-$F2 screen line link table, [!] our usage is different XXX give more details
!addr USER = $F3 ; $F3-$F4 pointer to current color RAM location
!addr KEYTAB = $F5 ; $F5-$F6 pointer to keyboard lookup table
!addr RIBUF = $F7 ; $F7-$F8 -- WIP -- RS-232 receive buffer pointer
!addr ROBUF = $F9 ; $F9-$FA -- WIP -- RS-232 send buffer pointer
; $FB $FB-$FE -- UNUSED -- free for user software
!addr BASZPT = $FF ; -- NOT IMPLEMENTED --
;
; Page 1
;
!addr STACK = $100 ; $100-$1FF, processor stack
;
; Pages 2 & 3
;
!addr BUF = $200 ; $200-$250, BASIC line editor input buffer (81 bytes)
; $250-$258 is the 81st - 88th characters in BASIC input, a carry over from VIC-20
; and not used on C64 - they are used if CONFIG_LEGACY_SCNKEY is enabled.
; [!] XXX document $251-$258 usage
!addr LAT = $259 ; $259-$262, logical file numbers (table, 10 bytes)
!addr FAT = $263 ; $263-$26C, device numbers (table, 10 bytes)
!addr SAT = $26D ; $26D-$276, secondary addresses (table, 10 bytes)
!addr KEYD = $277 ; $277-$280, keyboard buffer
!addr MEMSTR = $281 ; $281-$282, start of BASIC memory
!addr MEMSIZK = $283 ; $283-$284, NOTE: Mapping the 64 erroneously has the hex as $282 (DEC is correct)
!addr TIMOUT = $285 ; IEEE-488 timeout
!addr COLOR = $286 ; current text foreground color
!addr GDCOL = $287 ; color of character under cursor
!addr HIBASE = $288 ; high byte of start of screen
!addr XMAX = $289 ; max keyboard buffer size
!addr RPTFLG = $28A ; whether to repeat keys (highest bit set = repeat)
!addr KOUNT = $28B ; key repeat counter
!addr DELAY = $28C ; -- NOT IMPLEMENTED --
!addr SHFLAG = $28D ; bucky keys (SHIFT/CTRL/C=) flags
!addr LSTSHF = $28E ; last bucky key flags
!addr KEYLOG = $28F ; $28F-$290 routine to setup keyboard decoding
!addr MODE = $291 ; flag, is case switch allowed
!addr AUTODN = $292 ; -- NOT IMPLEMENTED -- screen scroll disable
!ifndef CONFIG_LEGACY_SCNKEY {
!addr M51CRT = $293 ; -- NOT IMPLEMENTED -- mock 6551
!addr M51CDR = $294 ; -- NOT IMPLEMENTED -- mock 6551
!addr M51AJB = $295 ; $295-$296 -- NOT IMPLEMENTED -- mock 6551
!addr RSSTAT = $297 ; -- WIP -- (UP9600 only) mock 6551, RS-232 status
!addr BITNUM = $298 ; -- NOT IMPLEMENTED --
!addr BAUDOF = $299 ; $299-$29A -- NOT IMPLEMENTED --
}
!addr RIDBE = $29B ; -- WIP -- write pointer into RS-232 receive buffer
!addr RIDBS = $29C ; -- WIP -- read pointer into RS-232 receive buffer
!addr RODBS = $29D ; -- WIP -- read pointer into RS-232 send buffer
!addr RODBE = $29E ; -- WIP -- write pointer into RS-232 send buffer
!addr IRQTMP = $29F ; $29F-$2A0 temporary IRQ vector storage [!] we use it for tape speed calibration instead
!addr ENABL = $2A1 ; -- NOT IMPLEMENTED --
!addr TODSNS = $2A2 ; -- NOT IMPLEMENTED --
!addr TRDTMP = $2A3 ; -- NOT IMPLEMENTED --
!addr TD1IRQ = $2A4 ; -- NOT IMPLEMENTED --
!addr TLNIDX = $2A5 ; -- NOT IMPLEMENTED --
!addr TVSFLG = $2A6 ; 0 = NTSC, 1 = PAL
; [!] $2A7-$2FF is normally free, but in our case some extra functionality uses it
!ifdef CONFIG_MEMORY_MODEL_60K {
; IRQs are disabled when doing such accesses, and a default NMI handler only increments
; a counter, so that if an NMI occurs, it does not crash the machine, but can be captured.
!addr missed_nmi_flag = $2A7
!addr tiny_nmi_handler = $2A8
!addr peek_under_roms = tiny_nmi_handler + peek_under_roms_routine - tiny_nmi_handler_routine
!addr poke_under_roms = tiny_nmi_handler + poke_under_roms_routine - tiny_nmi_handler_routine
!addr memmap_allram = tiny_nmi_handler + memmap_allram_routine - tiny_nmi_handler_routine
!addr memmap_normal = tiny_nmi_handler + memmap_normal_routine - tiny_nmi_handler_routine
!ifdef SEGMENT_BASIC {
!addr shift_mem_up_internal = tiny_nmi_handler + shift_mem_up_routine - tiny_nmi_handler_routine
!addr shift_mem_down_internal = tiny_nmi_handler + shift_mem_down_routine - tiny_nmi_handler_routine
}
} ; CONFIG_MEMORY_MODEL_60K
; BASIC vectors
!addr IERROR = $300 ; $300-$301
!addr IMAIN = $302 ; $302-$303
!addr ICRNCH = $304 ; $304-$305
!addr IQPLOP = $306 ; $306-$307
!addr IGONE = $308 ; $308-$309
!addr IEVAL = $30A ; $30A-$30B
!addr SAREG = $30C ; .A storage, for SYS call
!addr SXREG = $30D ; .X storage, for SYS call
!addr SYREG = $30E ; .Y storage, for SYS call
!addr SPREG = $30F ; .P storage, for SYS call
!addr USRPOK = $310 ; -- NOT IMPLEMENTED -- JMP instruction
!addr USRADD = $311 ; $311-$312 -- NOT IMPLEMENTED --
; $313 -- UNUSED -- free for user software
; Kernal vectors - interrupts
!addr CINV = $314 ; $314-$315
!addr CBINV = $316 ; $316-$317
!addr NMINV = $318 ; $318-$319
; Kernal vectors - routines
!addr IOPEN = $31A ; $31A-$31B
!addr ICLOSE = $31C ; $31C-$31D
!addr ICHKIN = $31E ; $31E-$31F
!addr ICKOUT = $320 ; $320-$321
!addr ICLRCH = $322 ; $322-$323
!addr IBASIN = $324 ; $324-$325
!addr IBSOUT = $326 ; $326-$327
!addr ISTOP = $328 ; $328-$329
!addr IGETIN = $32A ; $32A-$32B
!addr ICLALL = $32C ; $32C-$32D
!addr USRCMD = $32E ; $32E-$32F
!addr ILOAD = $330 ; $330-$331
!addr ISAVE = $332 ; $332-$333
; $314 $334-$33B -- UNUSED -- free for user software
!ifndef CONFIG_RS232_UP9600 {
!addr TBUFFR = $33C ; $33C-$3FB [!] tape buffer, our usage details differ
} else {
!addr REVTAB = $37C ; $37C-$3FB -- WIP -- [!] RS-232 precalculated data
}
; $3FC $3FC-$3FF -- UNUSED -- free for user software
;
; Definitions for extended IEC functionality
;
!set IEC_NORMAL = 0 ; has to be 0, always!
!ifdef CONFIG_IEC_JIFFYDOS {
!set IEC_JIFFY = 1 ; has to be 1, always!
}
!ifdef CONFIG_IEC_DOLPHINDOS {
!set IEC_DOLPHIN = 2
}
!ifdef HAS_IEC_BURST {
!set IEC_BURST = 3
}
!ifdef CONFIG_MB_M65 {
!set IEC_ROMDOS = 4
}
;
; Definitions for tape functionality
;
!ifdef HAS_TAPE {
!addr __normal_time_S = IRQTMP+0 ; duration of the short pulse
!addr __normal_time_M = IRQTMP+1 ; duration of the medium pulse
!addr __turbo_half_S = IRQTMP+0 ; half-duration of the short pulse
!addr __turbo_half_L = IRQTMP+1 ; half-duration of the long pulse
!addr __pulse_threshold = SVXT ; pulse classification threshold
!addr __pulse_threshold_ML = SYNO ; M/L pulse classification threshold, for normal only
}
!ifdef CONFIG_TAPE_TURBO {
!addr __tape_turbo_bytestore = STACK ; location of byte storage helper routine
}
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