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<1…11121314151617…34>
  • 128 BASIC-compatible way of loading BASIC as code?On a 48K Speccy (or from 48 BASIC or USR 0 mode on a 128K machine), one can do a silly trick like this: [code];; load a 4000 byte BASIC program ld i…

    Dunno if it would work, BUT- save all the system variables except the first 256 bytes that is the original printer buffer area. On the +3 (so I assume the 128 too), that space is used for paging the RAM, so yeah. Speccy 128 would act up a little.
    DEATH DEATH September 2013 Development
  • SE BasicAfter 13 years of development I thought I'd run out of things to optimize, but it turns out I was wrong. However, I'm now running out of time to work…

    ... guide, including memory map, system variables, flags, and command summary.
    [*]User system variable space accessible via IY register.
    chev chev October 2013 Sinclair Basic
  • Type-in BASIC contest on Reddit.Not sure how WOS-legal it is to mention/link to other forums, but Reddit is having a contest on r/retrobattlestations, asking readers to type a speci…

    ... & GOSUBs to have a space after GO and changing all ... REM Clear screen and setup variables
    210 REM CLS
    500 REM Load sprites into variables
    510 GO SUB 1510 ...
    Battle Bunny Battle Bunny October 2013 Sinclair Basic
  • Poke 23755 & 23756Entering the following few lines of BASIC: [IMG][URL=http://s1286.photobucket.com/user/rebelstarwac/media/Poke1_zpsc2845838.png.html][IMG]http://i12…

    ... so it wil open a space to put the new entered ...
    mcleod_ideafix mcleod_ideafix October 2013 Sinclair Basic
  • MOVE_M Object Movement Manager for BASICAs moving things around on the screen is usually the slowest part of a game written in BASIC, I've been pottering around with this routine to handle …

    ... program
    MOVE_M-variables.txt
    - explanation of variables used by the ... ; stacks without affecting display or variables
    MOVE_M-SSSPENCS_Unicode.txt, MOVE_M ... /> - UDG layouts for Symbol Shift, Space, Enter, Caps Shift keys
    Battle Bunny Battle Bunny October 2013 Sinclair Basic
  • SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…

    ... a, ' ' ; store a space
    ld b, 11 ; ... here
    jp chan_open ; for space efficiency

    ; ... reclaim_1 ; reclaim program and variables area
    pop bc ...
    chev chev October 2013 Development
  • SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…

    ... /> rst bc_spaces ; make space in workspace
    ld ... cp end_marker ; no more variables?
    ret z ; ... me_var_l1 ; except long name variables
    pop de ; ... br /> scf ; signal handling variables
    call me_enter ; ...
    chev chev October 2013 Development
  • SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…

    [code]; THE SCANNING VARIABLE ROUTINE
    org 0x26c9
    s_letter:
    call look_vars ; check for matching entry
    jp c, report_2 ; error if not
    call z, stk_var ; stack parameters
    ld a, (flags) ; get flags
    cp ...
    chev chev October 2013 Development
  • SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…

    ... get character
    cp ' ' ; space?
    jr z, l_no_sp ; jump ... /> rst bc_spaces ; make space
    push de ; ... ' ; store a space
    lddr ; write space in new locations
    variables area
    pop bc ...
    chev chev October 2013 Development
  • SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…

    ... br /> dec hl ; of variables
    call make_room ; ... :
    call look_vars ; search variables

    org 0x2c05 ... br /> call make_room ; insert space
    inc hl ; ... (hl), ' ' ; else write space to last location

    chev chev October 2013 Development
  • SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…

    ... A
    cp ' ' ; space?
    jr z, tokenizer_10 ; ... A
    cp ' ' ; space?
    jr z, tokenizer_12 ; ... A
    cp ' ' ; space?
    jr z, tokenizer_13 ; ... z, stk_var ; parameters and variables to calculator
    bit 6 ...
    chev chev October 2013 Development
  • SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…

    ... br /> call make_room ; make space
    inc hl ; ... current
    call reclaim_1 ; variables area
    call clr_rst ; ... ld a, ' ' ; a space
    rst 10h ; print it ... /> rra ; set carry if SPACE pressed
    ret c ...
    chev chev October 2013 Development
  • SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…

    ... required
    call make_room ; make space
    inc hl ; point to ...
    call cl_set ; set system variables
    jp cls_lower ; immediate jump ... /> in_pr_2:
    rst bc_spaces ; make space
    ld (hl), ctrl_enter ; set ...
    chev chev October 2013 Development
  • z88dk and im2I set up a minimal IM2 mode so I can draw sprites for a laff [code] #include <string.h> #include <stdio.h> #include <im2.h> #include <stdlib.h> #in…

    ... , start repeat and repeat rate variables to be declared. You could ... to place some of those variables on top of equivalent basic ... system variables too, which was not done ... (257 bytes), what looks like space for a single thread's ...
    Alcoholics Anonymous Alcoholics Anonymous October 2013 Development
  • SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…

    ... (hl), end_marker ; store variables end marker
    inc ... + _flags) ; suppress leading space
    call po_msg ; print ... ; and
    rst print_a ; a space
    ld bc, (ppc) ; ... defw detokenizer, report_j ; work space
    defb 'R' ; ...
    chev chev October 2013 Development
  • SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…

    ... (iy + _flags) ; suppress leading space

    org 0x18be< ... /> ld a, ' ' ; use space as cursor
    exx ; alternate ... ret m ; return if no space
    rst print_a ; ... clear carry for long name variables
    inc hl ; ...
    chev chev October 2013 Development
  • SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…

    ... ) ; get next character
    cp ' ' ; space?
    jr z, renum_line_3 ; jump ... number
    call make_room ; make space
    jr renum_line_10 ; immediate jump ... :
    ld hl, (vars) ; get variables address
    ld (mem_3_4), hl ...
    chev chev October 2013 Development
  • SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…

    ... ld a, ' ' ; space
    push de ; ... cl_set ; set system variables
    pop hl ...
    chev chev November 2013 Development
  • SCREEN$ bug fixI've been using the SCREEN$() function recently for reading data off the screen rather than taking up space with an array and I got fed up with the s…

    ... the screen in as little space as possible. I then ... characters without changing any system variables. (This allowed me to ... /> ld a,$80 ;treat space as block space, in case it's ... a,$20 ;treat block space as space, in case it's ...
    Battle Bunny Battle Bunny November 2013 Sinclair Basic
  • Documentation for SP1 for Z88DK?(I was going to post in [URL="http://www.worldofspectrum.org/forums/showthread.php?t=11729"]the other thread[/URL], so if a mod thinks this should go…

    ... the declaration of a few variables. The reason is the compiler ... generate code to make space for those variables on the stack -- if ... wouldn't be necessary. Creating space probably amounts to three "PUSH ...
    Alcoholics Anonymous Alcoholics Anonymous November 2013 Development
  • Documentation for SP1 for Z88DK?(I was going to post in [URL="http://www.worldofspectrum.org/forums/showthread.php?t=11729"]the other thread[/URL], so if a mod thinks this should go…

    ... your own use of local variables.

    (1) The ... is used to store local variables and function parameters. If you ... much stack space, try changing some of those local variables into statics ... nn)" "LD A,(NN)"). Stack variables have to be indexed relative ...
    Alcoholics Anonymous Alcoholics Anonymous November 2013 Development
  • array offset (z88dk)Im trying to simulate a 2 dimensional array by using an offset [code] #include <fzx.h> char scr[768]; int arrayoffset(char x,char y) { return (x*…

    ... have to overcome that extra space needed for the additional array ... />
    I did turn some variables into statics so that would ... smaller to make the looping variables ints rather than chars in ...
    Alcoholics Anonymous Alcoholics Anonymous December 2013 Development
  • Writing faster BASICIn terms of structuring BASIC programs, what are the best ways allocate variables, functions, arrays? Any tips. I remember INPUT mag had some suggest…

    ... to declare the most referenced variables first. This applies to simple ... numeric variables and DIMmed numeric arrays and ... a LET always causes the space to be reclaimed and the ...
    Battle Bunny Battle Bunny December 2013 Sinclair Basic
  • Writing faster BASICIn terms of structuring BASIC programs, what are the best ways allocate variables, functions, arrays? Any tips. I remember INPUT mag had some suggest…

    ... declare the most referenced variables first. This applies ... to simple numeric variables and DIMmed numeric arrays ... LET always causes the space to be reclaimed ... br /> Interesting that regarding string variables

    LET A ... than the space reclaimed.
    dmsmith dmsmith December 2013 Sinclair Basic
  • Writing faster BASICIn terms of structuring BASIC programs, what are the best ways allocate variables, functions, arrays? Any tips. I remember INPUT mag had some suggest…

    ... /> As I pointed out, substantial space savings could be made by ... significant area in which both space & time could be saved ... . This would cut out the space overhead caused by duplicating the ... and the bulk of the variables have been declared. Per 100 ...
    Battle Bunny Battle Bunny December 2013 Sinclair Basic
  • Writing faster BASICIn terms of structuring BASIC programs, what are the best ways allocate variables, functions, arrays? Any tips. I remember INPUT mag had some suggest…

    ... /> As I pointed out, substantial space savings could be made by ... significant area in which both space & time could be saved ... . This would cut out the space overhead caused by duplicating the ... and the bulk of the variables have been declared. Per 100 ...
    dmsmith dmsmith January 2014 Sinclair Basic
  • Andromeda and MCoderI came across "Andromeda" by PSS written "in BASIC for MCODER" by A. Tobias 1983. Unfortunately the ANDROMED.TAP file always failed with R Tape Loadi…

    ... .B working out of "DEEP SPACE". Thankfully the start of the ... I can't decompile "Deep Space" without cheating. I haven't ... . However with "Deep Space" the count is 2 variables short. Recompiling the ...
    Jimmy Jimmy January 2014 MIA/STP/SDP
  • Writing faster BASICIn terms of structuring BASIC programs, what are the best ways allocate variables, functions, arrays? Any tips. I remember INPUT mag had some suggest…

    ... .txt : analysis of the program variables
    [*]Assembler-Ktable.txt : analysis ... as there's loads of space free since I moved the ...
    Battle Bunny Battle Bunny January 2014 Sinclair Basic
  • Which Emulator supports Betadisk48?Hi out there and happy new year, I'm looking for an emulator to run with my vision1.7 trdos-rom in 48 mode. Unfortunately most emus only support Bet…

    ... to use almost all the space I / O is left ... occupies the same memory space as the original EPROM ... bytes of RAM in BASIC variables (23734 to 23845) + ... bytes of RAM in BASIC variables (23734 to 23866) + ... 256 extra bytes of BASIC variables every time a sector is ...
    Jmk Jmk January 2014 Emulators
  • Help with File Compressor by Mladen PopovicHi, I'm trying to compress BombJack (MCM) and transfer it to a +3 disk (Yes I own the original game :) ). I'm unsure about the addresses to enter in…

    ... variables, the last direct command in E_LINE (probably just RUN), any space ...
    Battle Bunny Battle Bunny January 2014 Development
<1…11121314151617…34>

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