The Best of Mecomp Multimedia 2

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Text File | 1998-02-24 | 39.9 KB | 977 lines

____ _ _ _ ____ ____ ____ ____ ____ ____ / __ \ / \/ \ | | / ___| / __ \ / __ \ | _ \ / __ \ / ___| | |__| || || || | _ | |__| | __ | | | || | \ \| | | | \_ \ | __ || |\/| || || |__| || __ | |__| | |_/ \| |_/ /| |__| | __\ \ |_| |_||_| |_||_| \____/ |_| |_| \___/\/|____/ \____/ |____/ S O F T W A R E Q D O S E M U L A T O R F O R T H E A M I G A -------------------------------------------------------------------------- 1m4mVers. 3.24, revision 2 - FEB 980m 1mBUG FIXES:0m The version of L_QDOS in the C directory of the last release was the an old one and did not work with v3.24. I've put the correct version in the archive this time round! -MJS Tidied up the cache routines a little in the ROMs MAIN_cde, KBD_cde and SYS_cde and in the BASIC utilities SYS_REF, C68PATCH and XCHPATCH. Mostly to do with COPYBACK compatibility. -MJS Fixed a bug in FLP_cde would corrupt the word at offset 32 in the QDOS ROM that handles priviledge violation. This had the effect that a MOVE sr,??? executed in user mode on big processors would cause an exception instead of emulating the MOVE sr instruction. -MJS 1mADDITIONS/ALTERATIONS:0m Added the switch "-r" to the QDOS_START icons so the QDOS ROM is now relocated by default. -MJS Removed the QLFileSystem from the distribution. The QLFileSystem is superceded by XFS - a file system that allows access to a multitude of disk formats including QL (QDOS) disks. XFS should be downloaded seperately and can be found on the aminet in disk/misc. -FNS -------------------------------------------------------------------------- 1m4mVers. 3.24, - FEB 980m 1mBUG FIXES:0m Fixed bug in CLK_cde. Originally the counter was reset whenever the time was checked. If it was checked too regularly the counter never got a chance to tick over. The bug was noticable in the CLOCK task of TK2 where the system time would seemingly 'freeze'. The counter is now only reset when the counter gets close to its limit (every 3.88 days). -MJS Fixed bug in KBD_cde that caused a crash on 040 and greater processors if a QDOS reset was actuated while the copyback cache was enabled. -MJS Changed Main_cde to enable copyback cache during reset (i.e. by default it is now enabled) -MJS Caches now cleared BEFORE FS.HEADS and FS.SAVE, AFTER FS.HEADR and FS.LOAD, BEFORE MT.ACTIV, BEFORE MT.LXINT & MT.LPOLL & MT.LSCHD & MT.LIOD and MT.LDD. -MJS The CLR_CACHE routine is now call-able from either supervisor or user mode and preserves the CCR -MJS Changed SYS_REF patches to be more cache-friendly. -MJS The FPU is cleared during a QL-RESET to fix a bug whereby if the FPU was left in an error state, it could cause an exception when first accessed. Bug was noticable if a CTL-ALT-SHIFT-TAB reset was invoked after installing George Gwilts' FPSP floating point routines -MJS MOVEP emulation (which is required on the '060 processor) is now checked BEFORE following the user exception vector as MOVEP emulation would be disabled if a program (like QMON) added its own user exception routine. -MJS Removed an absolute call to the QDOS ROM from the CTRL-C routines of KBD_cde. Would cause a crash if CTRL-C was pressed whilst running a relocated QDOS ROM. -MJS Added LoadView(NULL) to L_QDOS to switch to motherboard graphics before entering QDOS. -MJS A few tweaks to do with the keyboard repeat bug that still occurs ocassionally. -MJS Fixed bug in user-mode MOVE sr,??? emulation. Didn't realise that MOVEM.W (a7)+,dn sign extends dn. Bug trashed high word of dn when a MOVE sr,dn instruction was executed. Caused problems with QPAC2. -MJS FLP_cde no-longer uses the "drive-ready" signal. Instead it simply waits-a-while and assumes that the drive must be ready. Also, if the drive is already spinning then it is assumed that it is ready. This is to fix a bug on AT A1200s that do not have a "drive-ready" signal. -MJS BOOT sequence is now more like a real QL. If a disk in the drive during ROM initialisation then will boot from FLP, otherwise it will try to boot from MDV. This is accomodate the qubIDE ROM which temporarily renames itself from WIN to MDV to allow booting from hard disk. -MJS 1mADDITIONS/ALTERATIONS:0m Changed the QDOS ROM and L_QDOS loader to allow QDOS to be relocated into FAST RAM. The new switch "-r" tells L_QDOS to relocate the QDOS system ROM to FAST RAM if it's available. Otherwise the switch is ignored. QDOS vectors are redirected through a jump table enabling essential QDOS routines to lie some distance from the vectors. The jump table is located between $400 and $600 so the memory between $600 and $C000 is unused if the ROM is relocated. Relocations are stored in a table at the end of the ROM (see RELOC_asm). -MJS Improved the palette colours on mode 8 of VDU code. Only apparent when ACE emulation is disabled -MJS Added a dummy MDV device that does nothing. For programs that assume MDV exists in the device list. -MJS Supplied information for QubIDE hard disk driver. -PB Ported Phil Bormans QubIDE ROM (IDE hard disk driver). Amiga QDOS now supports Amiga IDE hard disks containing QubIDE partitions & volumes. Note, it does not support Amiga partitions & volumes. A hard disk formatted on Amiga-QDOS will not be readable in AmigaDOS -MJS -------------------------------------------------------------------------- 1m4mVers. 3.23, revision 2 - AUG 960m 1mBUG FIXES:0m Fixed bug in the BASIC BOOT program on the QLutils disk. The program did not allocate enough RAM before loading the PDTK SuperBASIC toolkit. The statement on line 1040: "RESPR(3008)" should have read "RESPR(3148)". -MJS Fixed error in SuperBASIC utility SYS_REF that 'introduced' a bug into patched TURBO tasks. All SYS_REF'ed tasks should be run through the new version of SYS_REF to replace the old patches with new. -MJS 1mADDITIONS/ALTERATIONS:0m Repatched the tasks on the utilities disk with the newer version of SYS_REF. -MJS Earlier releases were as DMS disk archives. This allowed the emulator to be distributed in a format free from the hassle of installation. Since Aminet administrators frown upon the use of DMS, future releases will be archived using LHA and will contain no Workbench related material. -MJS -------------------------------------------------------------------------- 1m4mVers. 3.23 - OCT 950m 1mBUG FIXES:0m Fixed bug in MOVE SR,<ea> emulation routine that prevented TURBO compiler (and possibly others) from working on the A4000/A1200 -MJS Fixed bug in JS ROM IO_QIN routine that assumed 24 bit addressing. $383A BNE.S $385A becomes BLT.S $385A -MJS Fixed bug in JS ROM RI_EXEC routine that assumed that the byte stored at address $0 was $0. The long word stored at address $0 contains the initial stack when re-booting QDOS. If QDOS is moved to a high address (eg $7e00000-$8000000), then the byte at zero is non-zero. -MJS Fixed bug(s) in keyboard routines that caused auto-repeat to sometimes go into overdrive if interrupts were disabled for a long period (i.e. during disk accesses). -MJS Fixed L_QDOS to disable the MMU (on the '040+) before taking over the amiga. -MJS CTRL-ALT-SHIFT-TAB (hard reset) and CTRL-ALT-7 (soft reset) now wait for blitter to finish before disabling anything (so no more rolling- screen-garbage) and correctly set all variables for VDU routines (so no more screen lock-ups) -MJS Fixed bug in JS ROM ATAN routine at $4350 (ARITH_asm). move.l #...,(a6,a1.w) becomes move.l #...,(a6,a1.l) -SNG 1mADDITIONS/ALTERATIONS:0m Changed TAS emulation code from F-Line to A-Line. F-Line instructions were taking too long on the A4000, possibly due to the hardware searching for non-existent co-processors. Emulation now uses instruction: %1010111XXXXXXXXX. Altered NO_TAS and RESTORE_TAS to suit. -MJS Added ICACHE_ON, ICACHE_OFF, DCACHE_ON and DCACHE_OFF. These keywords allow the instruction and data caches to be turned on and off. Intruction and data caches default to ON. -MJS Added RESET_EXTENTS command to compliment RESET_TOP and RESET_SV. RESET_EXTENTS allows the simultaneous setting of RAMTOP and the system variable area. -MJS Altered SYS_REF_task to make TURBO, TURBO compiled and some QLIB tasks 32-bit clean. -MJS Added support for 'other' (i.e. not the default) screen and independent screen redraw (switch modes without clearing screen) to BASICs MODE and the m/c routine MT.DMODE. (now 100%+ minerva compatible?). Task/screen switching supports differing screen modes (i.e. one screen can be mode 8 and the other mode 4). The unused bits in SV_MCSTAT are used to indicate the state of the 'unseen' screen. Lots of changes in the ROM to accomodate for the fact that the screen you are drawing/printing to, may be other than or in a different mode to the one that is being shown. -MJS Added COPYBACK_ON and COPYBACK_OFF which allows copyback mode to be turned on and off. -SNG Added 'ACE' screen accelerator. This ROM takes over from the blitter providing QL screen emulation via the processor. Both MODE 4 and MODE 8 are supported. On 68030 processors and above, screen emulation is both smoother and faster. 'ACE' screen emulation can be turned on or off via the commands ACE_ON and ACE_OFF. -SNG Altered L_QDOS to 'auto-configure' allowing QDOS to be launched from a single icon on ALL amigas. Custom icons are provided for those who wish to force a particular configuration (i.e. running QDOS from CHIP RAM only). -MJS Added KEZUK keyword. Acts just like KEYUK, by re-enabling the UK keymap. -MJS Added MOVEP emulation for 68060 compatibility. MOVEP is not implemented on the 68060! -MJS On 68010+... exception vectors now copied into RAM, and VBR set to point to vector copies. This allows all 256 exceptions to be catered for. Vectors 48-255 are normally unusable (overwritten) in QDOS. -MJS Vector 4 (illegal instruction) copied into vector 61. Allows 68060 MOVEP emulation to actually work. Bug fix suggested by Simon Goodwin. -MJS -------------------------------------------------------------------------- 1m4mVers. 3.22beta - (beta only, never released)... 93-940m 1mBUG FIXES:0m Re-wrote the exception handler to accomodate for 680X0 processors. -MJS Fixed expansion RAM check routine - caused a bus error prior to F1/F2 screen on the A4000. -MJS Fixed L_QDOS so that it enters supervisor mode in a legal manner. -MJS Fixed a bug in RJOB/FRJOB routine (Trap#1 d0=4/5). The old JS routine uses the upper bytes of addresses in the job table to "mark" jobs awaiting deletion, while it traverses the job tree looking for related jobs. It then assumes 24 bit addressing in hardware, and uses the address without consideration as to the validity of the upper byte. This caused a bus error on the A4000 whenever a job was removed. The new routine uses a new status word (-3) that is stored in JB_STAT of the job header and performs the same function in a 32-bit clean way. -MJS A change in KBD_cde allows up to 8 characters to be typed while interrupts are switched off (i.e. long disk accesses) before characters are lost. The keyboard processor can store up to 20 key-strokes (key-down / key-up = 2 key-strokes) in its' internal buffer before losing characters. If the buffer is not empty the keyboard processor causes an interrupt by setting a bit in INTREQ. During disk access interrupts are disabled, but when interrupts are switched on again if there are any characters in the buffer a CIAA interrupt should occur immediately - allowing one to read the stored key-strokes. A logic error in KBD_cde meant that if keystroke interrupts were 'stacked-up' only the last one was serviced correctly. -MJS Added 'history' facility to KBD_cde. The last typed line can be recovered by typing <ALT><ENTER> -MJS CTRL-TAB no-longer leaves a TAB character in the input stream, and CTRL-I no-longer acts like a CTRL-TAB. -MJS Altered VDU code to clear BEAMCON0, BPLCON3 & FMODE for AGA downward compatibility. -MJS Altered CLK code to update value for date every hour. This fixes a bug whereby the date would wrap every 3.88 days if QDOS was left running without ever doing a QL-reset. -MJS Altered CLK routine to use a value passed from Amiga-QDOS for the date/time if no hardware clock is found - a work-around fix for the A4000 which seems to have the battery-backed-up clock at a different hardware address. -MJS Fixed bug in 'NO_TAS_CoPro_bas' that produced bad code for TAS $.l instruction. Fortunately TAS on absolute address is a rarely used instruction. -MJS The FLP driver now checks the sector header to see if the track read was the track that was requested. If it finds that it is reading the wrong track, it attempts to step the head and re-read the track. It tries this FOUR times before giving up with a BAD/CHANGED MEDIUM error. Previously it was assumed that if the drive was asked to step IT WOULD and that consequently any track read would be the correct one. -MJS The FLP driver now invalidates the MFM buffer after a read or write. Previously it was possible that if for some reason the disk READ routine returned before getting any data from disk, it might not be noticed - since the buffer would almost certainly contain valid MFM data. -MJS 1mADDITIONS/ALTERATIONS:0m Improved the documentation. The documentation was becoming unwieldly (a new read.me file for every release) so I rationalised it down to 3 main files. "Amiga-QDOS.ver" contains information relating to specific version releases, "Amiga-QDOS.doc" is a general overview of the emulator and its peculiarities and "QDOS.doc" is an in-depth description of the QDOS operating system. -MJS Added documentation for PDTK, the freeware BASIC toolkit to the QLutils disk. Moved source to the QLutils disk also. -MJS Added FACCS, FXTRA, SET_FTYP, SET_FDAT, SET_FACCS, SET_FXTRA, CURSEN, CURDIS to PDTK freeware BASIC toolkit. -MJS Added F_TRACE() and P_TRACE to the freeware toolkit PDTK. These routines allow one to trace BASIC functions and procedures. -MJS Added D68K disassembly toolkit and documentation to the QLutils disk. -FNS Added documentation for the TAS utility programs to the QLutils disk. - MJS Altered 'NO_TAS_bas' and 'NO_TAS_CoPro_bas' to make use of the D68K disassembly toolkit. -MJS Altered 'NO_TAS_bas', 'NO_TAS_CoPro_bas' and 'RESTORE_TAS_bas' to enable the cursor during (y/n/a/q) queries - thus making it possible to task-swap with CTRL-C into another job and back again. -MJS Altered 'RESTORE_TAS_bas' to handle code produced by both 'NO_TAS_CoPro_bas' and 'NO_TAS_bas'. -MJS Added 'TURBOFIX_bas' to allow non-F-line fix for TURBO tasks. -MJS Added screen blanking to MC_STAT hardware register emulation. -MJS Added support for QDOS sound. The BEEP syntax is supported in full. Moved SPRITE and COPPER lists so as to provide room for a sound sample buffer (280 bytes at $18168). -MJS Added PLAY_MUSIC_bas and PLAY_SCALE_bas to QLutils disk. These programs demonstrate the possibilities of the BEEP command. -MJS Added RANDOM_code to QLutils disk, courtesy of SNG. Speeded up 'QLTRA_bas' by using the INPUT$ command from RANDOM_code. Renamed program as 'SER_TRANSFER_bas'. -MJS Added the BASIC keywords PROG_USE, DATA_USE, DEST_USE, SPL_USE, PROGD$, DATAD$ and DESTD$ to the FLP device driver. This is to accomodate for programs like XCHANGE that make use of default directories. The standard BASIC file commands (LOAD, SAVE, LBYTES etc.) do not as yet make use of default directories (unless TK2 is loaded!). -MJS Added PD XCHANGE to QLutils support disk. Removed a number of programs that were less useful. -MJS Added a routine to identify processor type. The results of the test (executed at start-up) is stored in the second word of the system variable SV_IDENT (i.e. at $28002). Execute a PEEK_W(163842) to find out what QDOS thinks you have. The routine sets the following bits: bit 0 - at least 68010 bit 4 - at least 68881 bit 1 - at least 68020 bit 5 - 68882 present bit 2 - at least 68030 bit 6 - 68040/060 FPU bit 3 - at least 68040 bit 7 - at least 68060 The routine also stores the following processor identity byte in SysVars + 161, which follows recent QDOS conventions. $00 (68000/68010), $20 (68020), $30 (68030), $40 (68040) $60 (68060) -MJS ...68040/68060 changes -SNG Added emulation of the move sr,dn instruction in user mode for 680X0 processors. This addition should help A1200/A4000 users who were having trouble running the QPTR pointer environment or TURBO (However there was a bug in some beta versions of this emulation) -MJS Moved F-LINE emulation in with the general exception handlin routines ('DBUGCODE_asm' & 'DBUGTBLS_asm'). -MJS The system now clears the instruction and data caches before executing the F-LINE or MOVE sr,?? emulation routines (self modifying code!). -MJS Added a TRACE routine to the system ROM. If the D68K toolkit is loaded, a disassembly of the next instruction is given along with register contents. -MJS If BASICs' #0 is found to be closed - CTRL-ALT-7, exception handling (address error, illegal instruction etc.) and the TRACE routines now re-open #0 to a standard CON window. -MJS MAIN_cde now links any unseen memory into the common heap as 'free' memory. Dead areas (memory ranges that do not contain RAM) are linked in as 'allocated' memory. It is no longer necessary to search for CHIP RAM unknown to QDOS (as in the INSTALL routine of the 'QL World' Amiga-QDOS article) since ALL RAM is available for use. The BOOT program on the 'QLutils' disk is altered to accomodate these changes. -MJS In this version AmigaQDOS ROMs (VDU, KBD etc) are ALWAYS loaded between RAMTOP and the end of physical memory. This means that SV_RAMT does not point to one past the last physical byte (as on a real QL), but to one past the last usable byte. -MJS Altered the way MAIN_cde (and other ROMs) links itself into the RESET, NMI, TRAP0, TRAP1 vectors etc... Now uses a linked list. -MJS Added 'MEMORY_MAP_bas' to the QLutils disk. This program prints the current set-up of the various QDOS memory allocations (i.e common heap, transient program area etc.) -MJS Added 'RESET_TOP' keyword (MAIN_cde) to allow users to re-boot with a new RAMTOP, and 'RESET_SV' that allows users to move the system variables and re-boot. See Amiga-QDOS.doc for details. -MJS The QDOS ROM (SYS_cde) is altered to allow the use of the second screen and to take heed of repositioned system variables. MODE is altered to act more like the Minerva ROM (see Amiga-QDOS.doc). -MJS KBD_cde is altered slightly to allow CTRL-C to switch screens if a task makes use of the alternate screen. -MJS 1mOMISSIONS:0m Removed UNIMPLEMENTED TRAP error routine from exception handler (the use of trap #5 to trap #15 without first defining user trap routines). The GST assembler - re-jigged by QUANTA - now contains two spurious TRAP #5 instructions. -MJS -------------------------------------------------------------------------- 1m4mVers. 3.21 - 21 APR 930m 1mBUG FIXES:0m Altered MAIN_cde so as to prevent external interrupt routines being interrupted part-way-through. -MJS Fixed bug whereby the SER device made use of H/W handshaking irrespective of whether the connection was via SER1I or SER1H. Handshaking is now implemented correctly. -MJS Closing a serial port connected via SER1Z now correctly sends a CTRL-Z character before doing the actual close. -MJS Fixed bug that evolved in version 1.03 of the SER device driver. The TBE interrupt (transmit buffer empty) was ignored, (the wrong bit was tested) and data was only sent during the polled interrupt routine meant for 'tidying up' the output buffer. This produced an through-put rate of only 400-500 BAUD! -MJS The pending disk operation tidy-up routine is now a polled task as in original CST sources. Previously the polled task caused floppy routines to crash, so a scheduler task was used instead. -MJS The 'sethead' routine called during the 'flush' routine was the wrong one. The routine used did not carry out a slave block update on files of a particular length, and caused such files to lose their date. -MJS Fixed bug in the AmigaDOS QL-handler, that did not update the used sectors count when copying to a QL disk. This sometimes resulted in a disk appearing to have more sectors free than was physically possible. -FNS Previous versions of the AmigaDOS QL-handler did not respond correctly to the ACTION_INFO packets. This resulted in the QL device not appearing for the Info command, and not appearing on the workbench, when a non-QL disk was in the drive. -FNS 1mADDITIONS/ALTERATIONS:0m The parallel device is now buffered and interrupt driven - so within the constraints of printer speed, output via the parallel port is much faster. -MJS Added 'RNCL' (RAW, CR/LF, CR or LF) end of line protocol and 'F' (FORMFEED) end of file protocol (CLOSE) to the PAR device driver. -MJS Altered the QDOS diskcopy command to recognise and report an error when the destination disk is write protected, and when either source or destination is not in the drive. -MJS Wrote a disk archiver program called PPvolume that utilises the powerPacker library and can crunch ANY disk format (PC AMIGA QL) that has a corresponding device/handler. -MJS Changed the preferred distribution method from three disks to two AMIGADOS disks. 'QLboot' contains the emulator and documentation, 'QLstuffed' contains the original AMIGADOS 'QLsource' disk and QDOS 'QLutils' disk as two stuffed archives. The archive program used is PPvolume. -MJS Optimised the AmigaDOS QL-handler slightly, resulting in considerably faster disk writes. -FNS -------------------------------------------------------------------------- 1m4mVers. 3.20 - 28 FEB 930m 1mBUG FIXES:0m Fixed bugs in the JS QDOS code at addresses $3EC, $60E, $6F0 and $3230 that contain ADDA.W instructions, where ADDA.L should be used. This caused problems on large memory systems. -MJS Fixed a bug in the FLOPPY code that caused RENAME, SETHEAD and the save/overwrite feature of TKII to function incorrectly. The original CST sources used a polled task to tidy up pending disk operations after disk access. For some reason this was removed from the emulator sources and meant that after some disk operations, slave blocks and disk contents no longer tallied. Subsequent disk writes could cause data corruption. -MJS TAS emulation is now extended to two instructions a TST and a BSET, as the original TAS emulation did not set the N flag and caused difficulties in some programs. -MJS 1mADDITIONS/ALTERATIONS:0m Changed most of the icons to be more WB2-like in appearance. -MJS Added some new start-up icons reflecting even more machine configurations. Renamed some of the older ones to be more user friendly. -MJS Extended the number of tooltypes available to L_QDOS to 16. -MJS I put the source back together in the same order as the JS original and implemented Amiga-specific code as separate extension ROMS. There are now separate ROMs for the keyboard, for the display, for the system time, etc...The result is that emulator is now a JS equivalent with a few minor quirks. -MJS Rejigged the JS Floating point output routine (based on some pokes by S N Goodwin) to allow accurate editing and printing of 8 digit numbers without going into E notation. -MJS Initialised the QDOS system time in the external ROM 'CLK_cde', making it possible to keep the time intact during a QL RESET (CTRL-ALT-SHIFT-TAB) -MJS Added access to the second screen via CTRL-TAB, or by poking the relevant hardware register (see below). -MJS Added emulation of the hardware register MC_STAT ($18063). You can switch screens by toggling bit 7. You can switch screen modes by toggling bit 3 (a change of screen colours signals that mode 8 is in operation). -MJS This version of the emulator can display, and return the screen coordinates of a simple mouse pointer (SPRITE) via the BASIC commands: PTR_ON, PTR_OFF, PTR_X% and PTR_Y%. -MJS Added SCR_PRIORITY command allowing you to set the speed at which the screen will be refreshed. -MJS Added BLIT_OFF and BLIT_ON commands. -MJS Added QL cold-reset function (CTRL-SHIFT-ALT-TAB). -MJS Made Keys F6-F10 produce the same codes as SHIFT F1-F5 -MJS Added KEYUK and KEYDT commands to allow you to switch between a UK or German keymap. -MJS The serial and parallel devices are now implemented as separate ROMs. -MJS Every drive attached to the Amiga now has its own ASCII buffer. This means that copying between drives is considerably faster than with previous releases. -MJS CRC checking has been re-implemented. Previously the floppy routines had to disable CRC checking to allow the reading of disks, written to by early versions of the emulator. -MJS Head stepping is quicker, now being handled by the TIMER. -MJS The floppy driver now word aligns sector data automatically during a read by enabling the sync word ($4489) recognition signal. This means that bit-shifting software no longer has to align raw MFM data. -MJS Added MOUNT command for drives that do not respond with a correct drive ID. -MJS Added FLP_USE command. -MJS Wrote and included the programs 'NO_TAS_bas' and 'NO_TAS_task' which are a rewrite of the program TAS_REPLACER_bas of previous releases. These replace TAS instructions by a Line-F instruction with a co-processor ID of 7 (bits 9-11 set). This is unused at present, so the code should be compatible with 68020, 68030 or 68040 machines that include co-processors. -MJS Wrote 'RESTORE_TAS_bas' which puts-back TAS instructions where 'NO_TAS_bas' removed them. -MJS Wrote and included 'NO_TAS_CoPro_bas' and 'NO_TAS_CoPro_task'. These are a rewrite of the program 'NO_TAS_30_bas' that appeared in earlier releases. -MJS Wrote and included 'QLIBFIX_bas' that modifies QLIB'ed programs to run on the emulator. -MJS Wrote and included 'POKE_DIGITS_bas' that modifies the emulator to run with 5,6,7 or 8 digit floating point precision. -SNG Wrote and included the QL-disk handler and removed the utilities QLtoAM and QLdir that are now redundant. It is now possible to insert a QL disk into the Amiga and have AmigaDOS treat it like any other disk. -FNS Wrote and included 'PDTK_rext' a public domain toolkit that includes many commands found in TKII. Please distribute. -MJS 1mOMISSIONS:0m The effort to make the source practically byte for byte compatible with a standard JS ROM, made it necessary to drop some of the features of previous emulator releases. Dropped the OVERFLOW DISABLE feature of earlier sources. Dropped search path on IO.OPEN. Earlier sources had a modified IO.OPEN (OLD) routine that would search devices RAM1_ RAM2_ FLP1_ FLP2_ in order if it did not recognise a given filename. This is no longer implemented. Toolkits such as TKII are more effective. -------------------------------------------------------------------------- 1m4mVers. 3.10B - 25 JUN 900m 1mBUG FIXES:0m Fixed bug in Messydisk device driver (nothing to do with QDOS, but used by commands that access QL floppies on the Amiga). Although the QL format only uses 9 sectors, my QL Trumpcard invariably creates a 10th, incomplete sector. Messydisk had problems reading data from such disks. -MJS 1mADDITIONS/ALTERATIONS:0m Added access to QL floppies from AmigaDOS via 3 new commands: QLdir to display a QL directory, QLtoAM to copy files from a QL disk to an Amiga disk and QLdiskcopy to make duplicates of QL floppies. -MJS & FNS Have written and included a program called 'StripCode' which literally strips the code segment out of an Amiga assembled file so that you can run it in the QDOS environment. -FNS Moved source files over to the AmigaDOS environment, and altered it to assemble with the A68K public domain assembler. Used stripcode to make it run-able in the QDOS environment. -MJS -------------------------------------------------------------------------- 1m4mVers. 3.10 - 27 MAY 900m 1mBUG FIXES:0m Fixed bug in Slave Block initialisation. Every block of 512 bytes above the start of the system variables is a potential slave block and has an entry of eight bytes in a table which starts at SV.BTBAS and finishes at SV.BTTOP. Great care is taken to make sure that the length of this table is divisible by eight. The system variable SV.BTPNT points to the most recent slave block entry and is initially set to point half way through the table. No checks were made to make sure that SV.BTPNT was itself divisible by eight. SV.BTPNT is now initialised correctly - half way between the first usable entry, and the last usable entry. -MJS Fixed problem with common heap initialisation. In previous releases it was very difficult to choose a value for ramtop, (besides the defaults) that did not cause the machine to crash. The start of the common heap has to fall on a 512 byte boundary which for certain values of ramtop, was not always the case. SV.RAMT can now be set to any value that is divisible by 512. -MJS Fixed a bug in the floppy code which prevented access to a floppy disk, should it be in the drive when you invoke QDOS. Any attempt to access such a disk would show 'not found' or a corrupt directory unless you physically removed and then re-inserted the disk in the drive. Signalling a disk change in the initialisation routine of FLOPPY2_asm cured the problem. -MJS Fixed CRC bug that prevented a real QL from accessing disks that had been written by the Amiga-QDOS floppy routines. -MJS Fixed the IO.FLINE bug (caused crash on BASIC LOAD) in the Janus device driver. -RK Altered the Load_QDOS routine so as to avoid loading QDOS at absolute addresses. This should be of great use to all of you, who had trouble with the second floppy drive. -RK Fixed some minor inconsistencies - the PAL bit is set, the Modulo is set correct. -RK 1mADDITIONS/ALTERATIONS:0m Added English keyboard support. -RC Added new Manager Trap: TRAP #1 with D0 set to $27 and D1 containing the address of a new Keyboard table. Allows use of foreign Language keyboard tables. -RK Added DSKCNG command to accommodate for drives that do not handle disk change signals correctly, and cause problems for the disk routines. -RK Extended the diskchange command (DSKCNG) to handle more than one drive correctly. -MJS Moved the marking of unusable blocks between system variables and lomem to the slave block initialisation routine. This was formerly accomplished by allocating the memory in the initialisation routine for BASIC. As a result the MM_ALCHP "no clear" feature of previous releases is now redundant. -MJS Added first version of the AmigaDOS L_QDOS command. This command is similar to the old Load_QDOS command, except that it does not require IconX since it takes its parameters from an icons' TOOLTYPES field. -MJS Added a startup option for people with extended memory at $C00000. -MJS Added some nice icons that make this update is more "Amigaized", and so perhaps, more easy to understand. -JR Altered the QDOS code to be 68010/20/30/40 proof. I have tested it briefly, and it seemed to work. -RK Added a new feature to the TRAP #0 (enter supervisor mode). It now saves the old Status Register as a word in the new defined System Variable SV.SR = $28024. -RK Added SuperBasic program NO_TAS_30_bas which unlike the previous TAS emulation utilities, doesn't generate line $F instructions. TAS replaced programs show (at least) a very strange behaviour on 68030 machines with a coprocessor. This is because the line $F instructions are used for coprocessor implementation. NO_TAS_30 replaces the TAS instruction with a branch to equivalent code. This utility cannot be used on code greater than 32K. -RK -------------------------------------------------------------------------- 1m4mVers. 3.03 - 21 MAY 900m 1mBUG FIXES:0m Fixed bug that caused the keyboard emulation to fail on certain keyboards. -RK Fixed the Ctrl-C , Ctrl-spc , Ctrl-F5 'bug'. -RK Fixed obscure memory management bug. -RK 1mADDITIONS/ALTERATIONS:0m Added device driver for QDOS floppies. -RK Added DISKCOPY command. -RK -------------------------------------------------------------------------- 1m4mVers. 3.01 - ?? ??? ??0m 1mADDITIONS/ALTERATIONS:0m Added JANus device driver to give access to the IBM hard-disk on the Bridgeboard. -RK -------------------------------------------------------------------------- 1m4mVers. 2.00 - 22 JUN 890m 1mBUG FIXES:0m Fixed the ERR_DF bug. -RK Fixed bug in translate routines. The TRA table should now work in both directions (I have not tested the routine). -RK Fixed bug that caused EPROM initialisation to hang up during the Boot process. -RK 1mADDITIONS/ALTERATIONS:0m Added NMI (<ctrl.> <Alt> <7>) warm reset. -RK Added ability to BREAK out of EXEC_W programs. -RK Added SYS_RESET command. -RK Extended EPROM recognition. EPROMs now tested at $10000, and from $40000 on in steps of 256 bytes. -RK Added search list (RAM1_, RAM2_, FLP1_, FLP2_, MDV1_, MDV2_) to OPEN on old files, and the CLR_SEALST command that disables this feature. -RK Added the commands OV_OFF and OV_ON to switch the Overflow error checking on Floating-point arithmetics on and off. -RK Reserved a scratch area of 1K in the respr area, just below RAMTOP. -RK -------------------------------------------------------------------------- 1m4mKEY TO PROGRAMMERS0m Thanks to: RK Rainer Kowallik for the emulator. Wolfgang Schroeder and Joern Ryba for discussion, Boris Jakubith and Mathias Leidig for the CRC generator, Andreas Ihlenfeld for his Keyrow MT.IPCOM, MJS Mark J Swift for all of his Bug fixes (and recent modifications) FNS Francis N Swift for the QL0: device driver and various utilities. SNG Simon N Goodwin for POKE_DIGITS_bas, PALETTE_bas, for the QL World and AmigaFormat articles about the emulator and for the many hours of beta-testing. RC Rod Crookes for the English keymap. JR Joern Ryba for some nice icons. PB Phil Borman for QubIDE IDE hard disk support. -------------------------------------------------------------------------- 1m4mCOPYRIGHT STATEMENT:0m Since I have spent much time developing this emulator, I do not think that it is immoral to claim it as my own program. Nevertheless QDOS and related names are protected by those who still have the rights (is it Sinclair again, or Amstrad, or T.Tebby or who or what ?). However this should not stop you from spreading this disk, as long as you are sure that no commercial use is made from all that stuff. I am sure that these programs are only of interest to those people who own or have owned a QL or THOR, and so have already paid for the software. Those who are working with these programs and don't posses a QL, are invited to buy one second hand. Rainer Kowallik -------------------------------------------------------------------------- 1m4mWHAT HAS TO BE DONE NEXT0m These are the most important things to do, but unfortunately I don't have enough time to do this all by myself. I am writing my doctor thesis in Physics (May 90), and this will cost most of my time. So I am looking for people who are interested in this project and are able and willing to do some work for it. I think, it is best you contact me to get information about a specific part of the project. So you can avoid to invent the wheel a second time. You can reach me by post mail: Rainer Kowallik, Eisackstr. 14, 1000 Berlin(W) 62 (Germany) By Phone: (Germany) 030 855 866 5 By EAN mail: Kowallik@vax@hmi@dbp.de or in the new form: S=KOWALLIK;OU=VAX;P=HMI;A=DBP;C=DE - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Subject | Programmer - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - An adaption of the Toolkit | network server which uses | the CD bit of the serial | port (CIA-B, PRA #5). The | transmission speed should | be changeble | - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - A device driver for the | Harddisk DH0, using | subdirectories and | fileformat of Amigados | - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - New SCR_ and CON_ drivers | which can use all features | of the Amiga (32 colours, | extra halfbright Interlace, | overscan) | - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Modify the emulator to | allow QDOS to run as an | AmigaDOS task, thus | allowing QDOS access to all | AmigaDOS devices and | peripherals. | - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ALL PROGRAMS (EXCEPT THE LAST) SHOULD BE IN THE FORMAT OF A STANDARD QL-ROM.NO OTHER INTERFACE THAN A ROM TOOLKIT SHOULD BE USED! -------------------------------------------------------------------------- 1m4mMAKING CHANGES TO THE EMULATOR0m PLEASE DO CHANGE THE SOURCES, AND MARK ALL CHANGES WITH A SPECIAL COMMENT (e.g. a unique combination of special characters). WRITE DOWN (on white paper) WHICH ROUTINES (Label names) YOU HAVE MODIFIED, AND SEND BOTH (DISK AND PAPER) AS FAST AS POSSIBLE TO ME. I will put all changes together to make a new Version of QDOS. Thank you, Rainer Kowallik, May 1990 Eisackstr. 14 1000 Berlin 62 (030) 855 866 5 Kowallik@vax@hmi@dbp.de -------------------------------------------------------------------------- 1m4mADDENDUM - M J Swift0m 1mCONTINUING DEVELOPMENT0m I am under the impression that due to recent commitments, Rainer has very little time to make any further improvements to the emulator. Therefore, in Rainers absence, I have taken on the responsibility for the emulator's continuing development. Rainer states that he based his emulator on a JS ROM disassembly. He also re-ordered the source to be more logical, and re-wrote areas that were hardware specific. This however, led to a mingling of old and new code that was very difficult to debug (for anyone but the original author). With this in mind I put the source back together in the same order as the JS original, and did a binary comparison with a genuine Sinclair JS ROM. This allowed me to pin-point NEW sections of code, which I implemented instead as separate Amiga-specific extension ROMS. For example there are now separate ROMs for the keyboard, display, system time, etc... In a sense the current emulator is a reverse-engineered copy of Rainers' original which leaves the main bulk of system source code unchanged from a JS disassembly. If you have any comments or bug-fixes you can contact me at the addresses given below. Any mail sent to Rainer will most likely be forwarded on to me. Mail me direct at the ...and contact me following address: most weekends at: Rear Flat 325 Charlestown Road 175 Church Street Blackley Blackpool Manchester FY1 3NX M9 7BS e-mail: Tel. 0161-682 7587 msw@blackpool.ac.uk If a bug is a one-off occurrence - it MAY be a glitch. If the bug recurs, please contact me describing IN DETAIL the condition of re-ocurrence. Be as specific as possible - and be patient. MARK J SWIFT --------------------------------------------------------------------------