... set to auto-run to test it; I've just ... 's a very simple test which I just did:
routine[/code]
This should ... the LD BC at the start should be adjusted accordingly. ... handling multiple programs the routine would have to be passed ...

... 't load everything at the start, and when they do come ... either use a tape load routine from within the game or ... I used set up my test files, anyway. I used Mael ...

... br /> ;End of PC detection routine.

ld b ... />
The above routine is position independent, works whether ... return to you the start address (the same you ... br />
TAP version to test with it:
[url]http ...

... [*]Having inverted logic in the test for disciple_active when applying memory ... address #0000". (And then the routine described at #2001 is run ... 0000 and a.o. the routine at #0008 will be run ... code at #2000, while 'cold start' ('booting'?) expects this ROM code ...

... a disk based build and test environment (Windows, Linux, Mac, ... automatically jump to its download routine and receive the next update ... it's not a good start if your new project ... around!!!!!!!!!!!!!!!!!

Bedroom coders start well but working in the ...

... zone is called Terry's Test.

There's also ... -patterns
+ $873B-$873F
+ start of dump loop, ($6590) is ... of dump loop, call DUMPS routine, pattern IDs >=$AE not ...

... are set once at the start of the program then they ... going to change.
[*]Your routine uses Y=171,172,173 ... ]blue[/color] is the actual routine; the enclosing code is just ...
ret
[/code]
Test with:
[code]PRINT AT ...

... machines so I'd actually start by trying to get it ... contention will make the same routine also work on a Spectrum ... will need some time to test everything properly...

... contention will make the same routine also work on a Spectrum ... will need some time to test everything properly...[/QUOTE]

start drawing the attributes after a ...

... for more pilot pulses, so start
;; by decrementing the pilot ...
pop bc ; abandon this routine call
jr .exit ; bail ... /12Ol8Ol"]I've put my test TZX files (containing screens) on ...

... for more pilot pulses, so start
;; by decrementing the ...
pop bc ; abandon this routine call
jr .exit ; bail ... br />
[CODE] ;; set this test program to load a screen ...

... a modified bubble sort. You start at the beginning (n=1 ... reduce n to 0) and test again. If the two items ... /> Thanks for explaining the bubblesort routine. That will help a lot...

... write some little routines to test how dec operates on the ... call the PRINT USR 61440 routine any junk is cleared. unessary ... ape in 2001 at the start of the movie. Progress was ...

... creating the loading routine is at the start of Side B ... load-screen-SL3-test.zip"]a quick test[/URL], made at ... />
The loading routine starts by default at address ... /zx/load-screen-SL3-test-speed-6.zip"]Here ... is another test file[/URL]; it also ...

... br />
; THE 'START'
org 0x0000
;start:
di ; switch ... br />
; THE 'MASKABLE INTERRUPT' ROUTINE
org 0x0038
;mask_int ...
skip_over:
cp ' ' ; test for space or higher

... ld hl, sa_ld_ret ; return routine to HL
push hl ... constant
call ld_edge_2 ; test for second edge
jr ... together
cp 212 ; start and finishing
jr nc ... BREAK
xor c ; test against
and %00100000 ; ...

... eleven times
push de ; start address
pop ix ; ... br /> ld a, c ; test for
or b ; null ...
; THE 'LOAD' CONTROL ROUTINE
org 0x0808
ld_contrl ... to BC
call test_room ; test for room

...

... /> push hl ; stack start
push hl ; start
pop ix ...
and %11000000 ; test it
jr nz, ...
cp end_marker ; test for end marker
...
; THE 'SAVE' CONTROL ROUTINE
org 0x0970
sa_contrl ...

[code]; THE SCANNING VARIABLE ROUTINE
org 0x26c9
s_letter:< ... ) ; get flags
cp %11000000 ; test bit 6 and 7
cp b ; test last against present
jr ...

... />
; THE 'LET' COMMAND ROUTINE
org 0x2aff
let ... so
push hl ; stack start (dest)
rst bc_spaces ; ... start of new string to HL
ld a, c ; test for ... /> pop hl ; unstack pointer to start

; THE ' ...

... br /> call stk_fetch ; get start and length
ex de ... />
; THE 'DIM' COMMAND ROUTINE
org 0x2c02
dim ... byte
call next_one ; start of next variable
call ... ; 127
inc b ; test sign
jr z, e_fp_jump ...

... ; start of ON ERROR token

; THE 'TOKENIZER' ROUTINE
test for extended commands (ASCII 0 ... flags
xor d ; test for
and %01000000 ; ... br /> ld a, c ; test
or %10011111 ; discriminator ...

... ; -----------------------------------------------------------------------------

; THE 'TEST TRACE' SUBROUTINE (CONTINUED)
org ...
; THE 'PRINT' COMMAND ROUTINE
org 0x1fcd
print ... (worksp) ; HL to start of INPUT line
...

... :
sbc a, a ; test for COLOR
ld a ... />
; THE 'BORDER' COMMAND ROUTINE
org 0x2294
border ... /> defw pos_5 ; rotation and start
defw pos_6 ; address ... br /> ; THE 'CIRCLE' COMMAND ROUTINE
org 0x2320
...

... br />
; THE 'TEST 16K' ROUTINE
org 0x11c6
test_16k ... /> ld de, kstate ; start of system variables to DE ... coming from
and a ; start or new?
ld (iy ...
new_128:
rst start ; cold start
.endif
...

... :
call use_zero ; default start at zero
rst get_char ...
; THE 'ON ERROR' COMMAND ROUTINE
org 0x1937
on_error ... :
bit 0, c ; test quotes flag
jr z ... stack
call numeric ; test for digit
call ...

... br />
; THE 'TRACE' COMMAND ROUTINE
org 0x3901
trace ... stack BC
call sexpt1num ; test for final number
pop ... renum_line_10:
ld de, (mem_4_1) ; start address of old line number ...

... print_a ; to start
dec ... and %00010000 ; test
jr po_fill ... ; change output routine
jr ...

... ret ; end of routine

test for printable character< ... ; for start of line< ...

... locations (common)

; THE 'TEST 0 OR 1' SUBROUTINE

; THE 'CLS' COMMAND ROUTINE
org 0x0d67
cls ...
call cl_addr ; address for start of row to HL