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Square root of an integer number
Score: 112.74 %,
Type: Forum topic , Comments: 47 comments
root of 25
--
0
Nice to keep in mind...
If ... the step-counter
push hl ; (ld bc,hl)
pop bc ; make ready for division
ld d,0 ; make sure de is 8-bit value ... from drive rom
; bc=bc\de
; hl=bc mod de
; hl=bc mod de
div16b ld hl,0
ld a,b
ld b,16
rl c
rla ...
WHACK for msx ?
Score: 112.74 %,
Type: Forum topic , Comments: 5 comments
memory config for wla6510
DEFAULTSLOT 0
SLOTSIZE $ffff
SLOT 0 $0000
.ENDME
.ROMBANKMAP
BANKSTOTAL 1
BANKSIZE $ffff
BANKS 1
.ENDRO
.BANK 0 ...
.DEFINE stairupx $09
.DEFINE stairupy $0a
.DEFINE stairdownx $0b
.DEFINE stairdowny ...
SCC HW bug: update
Score: 112.54 %,
Type: Forum topic , Comments: 15 comments
with volumes:
PSG has logarithmic volumes according to y = 2^-((15-n)/2)
SCC has linear volumes in 0 ...
VolConv:
and 15
ret z ; psg 0 -> scc 0
ld e,a
ld d,0 ... ; psg 0 -> scc 0
ld e,a
ld d,0
ld hl,VolumTab
add hl,de ...
Sunrise CF ata-IDE and dsk images
Score: 112.65 %,
Type: Forum topic , Comments: 7 comments
the mmc v1.0 hardware designed by sharksym and that I built the mmc v1.0 hardware designed ...
Something about IE0 / IE1 bits and R#19
Score: 112.4 %,
Type: Forum topic , Comments: 20 comments
I need a screen split in screen 5 and I use IE1 and R#19.
I have RAM in Page 0.
My ISR code has two routines:
vdpregs0 equ 0f3dfh
vdpregs1 equ 0ffe7h-8
_interrupt1:
push af
; disable screen (test)
ld a,(vdpregs0+1)
and 255-64
ld (vdpregs0 ...
DOOM on MSX ?
Score: 112.38 %,
Type: Forum topic , Comments: 23 comments
is just better than that
I get nauseous of watching that 0_0 I get nauseous of watching that 0_0
a Z80 calculater, cool. TI has nice calculators indeed. How a Z80 calculater, cool. TI ...
Vertical full page fine text scroller
Score: 112.42 %,
Type: Forum topic , Comments: 24 comments
Chars from A to Z are mapped twice, in the odd numbers from 0 to 51 and in the even numbers in the same ... a,64+20h
out (99h),a
ld bc,0x98
ld a,0xf1
1: out (0x98),a
djnz 1b
1: out (0x98),a
djnz 1b ...
Bug in the z80 emulation or in the TR HW ??????
Score: 112.23 %,
Type: Forum topic , Comments: 15 comments
I need to state if the out (c),0 opcode exists in real TRs (in z80 mode) or not.
Apparently my TR A1GT (the real HW) does not execute the code undocumented out (c),0
corresponding to ED 71, ... or in my own HW ?
Is the out (c),0 opcode supported by any TR ?
Are there known cases when out (c),0 ...
meisei offline ?
Score: 112.19 %,
Type: Forum topic , Comments: 3 comments
meisei's site is offline
http://home.planet.nl/~haps/
any news about it ?
The whole 'planet' shebang is no more (KPN pulled the plug). The whole 'planet' shebang is no more (KPN pulled the plug). Orphan hap is ...
msx disk explorer FOR PC
Score: 112.16 %,
Type: Forum topic , Comments: 4 comments
Hi,
is there some SW for windows XP able to open .dsk files and let me see the file inside ?
I know that such a SW exist, it was also able to display MSX basic files but I cannot remember hwere it was and how is called
Does DISKMGR not work ...
