mirror of
https://github.com/deater/dos33fsprogs.git
synced 2025-01-14 13:33:48 +00:00
72 lines
854 B
ArmAsm
72 lines
854 B
ArmAsm
|
; 35..96
|
||
|
|
;
|
||
|
|
; = 35<<2 + 35 = 175 235
|
||
|
|
; = 40<<2 + 35 = 195 4
|
||
|
|
; = 50<<2 + 35 = 235 39
|
||
|
|
; = 60<<2 + 35 = 19 79
|
||
|
|
; = 64<<2 + 35 = 35 95
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
; 35 96
|
||
|
|
; = 35<<1 + 35 = 105 166
|
||
|
|
; = 45<<1 + 35 = 125 186
|
||
|
|
; = 55<<1 + 35 = 145 206
|
||
|
|
= 95<<1 + 35 = 225 29
|
||
|
|
|
||
|
|
|
||
|
|
; 32..96
|
||
|
|
; <<
|
||
|
|
; add
|
||
|
|
; 1
|
||
|
|
; 2631
|
||
|
|
; 8426 8421
|
||
|
|
; 4 bits 0XXX X000 so
|
||
|
|
; ..95
|
||
|
|
load:
|
||
|
|
ldx #1
|
||
|
|
sub_loop:
|
||
|
|
lda string,X
|
||
|
|
bmi done_sub_loop
|
||
|
|
sec
|
||
|
|
sbc #'#'
|
||
|
|
|
||
|
|
|
||
|
|
done_sub_loop:
|
||
|
|
|
||
|
|
inx
|
||
|
|
ldy #1 ; make Y 1
|
||
|
|
hard_loop:
|
||
|
|
|
||
|
|
lda string,X ; a=buf[len+x+1];
|
||
|
|
bmi all_done
|
||
|
|
sec
|
||
|
|
sbc #'#'
|
||
|
|
|
||
|
|
stx $FE
|
||
|
|
ldx #3
|
||
|
|
|
||
|
|
inner_loop:
|
||
|
|
asl
|
||
|
|
asl
|
||
|
|
pha
|
||
|
|
and #$c0
|
||
|
|
ora string,Y
|
||
|
|
sta $2FF,Y
|
||
|
|
pla
|
||
|
|
iny
|
||
|
|
|
||
|
|
dex
|
||
|
|
bne inner_loop
|
||
|
|
|
||
|
|
ldx $FE
|
||
|
|
|
||
|
|
inx
|
||
|
|
jmp hard_loop
|
||
|
|
|
||
|
|
all_done:
|
||
|
|
jmp $300
|
||
|
|
|
||
|
|
string:
|
||
|
|
.byte 34,"O3#O5#CS_Lb4M+3^L9(HCE_CJKS(-S'3%,@+S-TKL*M`\&4K+3I)H3@S0#^#M#<#@ ***Q+[C1*&+4%#K+FSV+E/",$80
|