0,0 → 1,1007 |
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
;; |
;; Calculator for MenuetOS |
;; |
;; Compile with FASM for Menuet |
;; |
|
|
use32 |
|
org 0x0 |
|
db 'MENUET01' ; 8 byte id |
dd 0x01 ; header version |
dd START ; start of code |
dd I_END ; size of image |
dd 0x1000 ; memory for app |
dd 0x1000 ; esp |
dd 0x0 , 0x0 ; I_Param , I_Icon |
|
include 'lang.inc' |
include 'macros.inc' |
|
START: ; start of execution |
|
call draw_window |
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still: |
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mov eax,10 ; wait here for event |
int 0x40 |
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cmp eax,1 ; redraw request ? |
je red |
cmp eax,2 ; key in buffer ? |
je key |
cmp eax,3 ; button in buffer ? |
je button |
|
jmp still |
|
red: ; redraw |
call draw_window |
jmp still |
|
key: ; key |
mov eax,2 |
int 0x40 |
shr eax,8 |
mov edi,asci ;translation & emulation |
mov ecx,35 ;of button ID's |
cld |
repne scasb |
jne still |
sub edi,asci |
dec edi |
mov esi,butid |
add esi,edi |
lodsb |
jmp testbut |
|
button: ; button |
mov eax,17 ; get id |
int 0x40 |
|
shr eax,8 |
testbut: |
cmp eax,1 ; button id=1 ? |
jne noclose |
mov eax,-1 ; close this program |
int 0x40 |
noclose: |
|
cmp eax,2 |
jne no_reset |
call clear_all |
jmp still |
no_reset: |
|
finit |
|
mov ebx,muuta1 ; Transform to fpu format |
mov esi,18 |
call atof |
fstp [trans1] |
|
mov ebx,muuta2 |
mov esi,18 |
call atof |
fstp [trans2] |
|
fld [trans2] |
|
cmp eax,30 |
jne no_sign |
cmp [dsign],byte '-' |
jne no_m |
mov [dsign],byte '+' |
call print_display |
jmp still |
no_m: |
mov [dsign],byte '-' |
call print_display |
jmp still |
no_sign: |
|
cmp eax,3 |
jne no_display_change |
inc [display_type] |
cmp [display_type],2 |
jbe display_continue |
mov [display_type],0 |
display_continue: |
mov eax,[display_type] |
mov eax,[multipl+eax*4] |
mov [entry_multiplier],eax |
call print_display |
jmp still |
multipl: dd 10,16,2 |
|
no_display_change: |
|
|
cmp eax,6 |
jb no_10_15 |
cmp eax,11 |
jg no_10_15 |
add eax,4 |
call number_entry |
jmp still |
no_10_15: |
|
cmp eax,12 |
jb no_13 |
cmp eax,14 |
jg no_13 |
sub eax,11 |
call number_entry |
jmp still |
no_13: |
|
cmp eax,12+6 |
jb no_46 |
cmp eax,14+6 |
jg no_46 |
sub eax,11+3 |
call number_entry |
jmp still |
no_46: |
|
cmp eax,12+12 |
jb no_79 |
cmp eax,14+12 |
jg no_79 |
sub eax,11+6 |
call number_entry |
jmp still |
no_79: |
|
cmp eax,13+18 |
jne no_0 |
mov eax,0 |
call number_entry |
jmp still |
no_0: |
|
cmp eax,32 |
jne no_id |
inc [id] |
and [id],1 |
mov [new_dec],100000 |
jmp still |
no_id: |
|
cmp eax,16 |
jne no_sin |
fld [trans1] |
fsin |
jmp show_result |
no_sin: |
|
cmp eax,17 |
jne no_int |
fld [trans1] |
frndint |
jmp show_result |
no_int: |
|
cmp eax,22 |
jne no_cos |
fld [trans1] |
fcos |
jmp show_result |
no_cos: |
|
cmp eax,23 |
jne no_lg2 |
fldlg2 |
jmp show_result |
no_lg2: |
|
cmp eax,28 |
jne no_tan |
fld [trans1] |
fcos |
fstp [tmp2] |
fld [trans1] |
fsin |
fdiv [tmp2] |
jmp show_result |
no_tan: |
|
cmp eax,29 |
jne no_pi |
fldpi |
jmp show_result |
no_pi: |
|
cmp eax,34 |
jne no_sqrt |
fld [trans1] |
fsqrt |
jmp show_result |
no_sqrt: |
|
cmp eax,15 |
jne no_add |
call calculate |
call print_display |
call new_entry |
mov [calc],'+' |
jmp still |
no_add: |
|
cmp eax,21 |
jne no_sub |
call calculate |
call print_display |
call new_entry |
mov [calc],'-' |
jmp still |
no_sub: |
|
cmp eax,27 |
jne no_div |
call calculate |
call print_display |
call new_entry |
mov [calc],'/' |
jmp still |
no_div: |
|
cmp eax,33 |
jne no_mul |
call calculate |
call print_display |
mov [calc],'*' |
call new_entry |
jmp still |
no_mul: |
|
cmp eax,35 |
jne no_calc |
call calculate |
jmp still |
no_calc: |
|
jmp still |
|
show_result: |
|
call ftoa |
call print_display |
|
jmp still |
|
error: |
|
jmp still |
|
|
calculate: |
|
pusha |
|
cmp [calc],' ' |
je no_calculation |
|
cmp [calc],'/' |
jne no_cdiv |
fdiv [trans1] |
no_cdiv: |
|
cmp [calc],'*' |
jne no_cmul |
fmul [trans1] |
no_cmul: |
|
cmp [calc],'+' |
jne no_cadd |
fadd [trans1] |
no_cadd: |
|
cmp [calc],'-' |
jne no_cdec |
fsub [trans1] |
no_cdec: |
|
call ftoa |
call print_display |
|
no_calculation: |
|
popa |
|
ret |
|
|
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number_entry: |
|
pusha |
|
cmp eax,[entry_multiplier] |
jge no_entry |
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cmp [id],1 |
je decimal_entry |
|
mov ebx,[integer] |
test ebx,0xF0000000 |
jnz no_entry |
|
mov ebx,eax |
mov eax,[integer] |
mov ecx,[entry_multiplier] |
mul ecx |
add eax,ebx |
mov [integer],eax |
call print_display |
|
call to_muuta |
|
popa |
ret |
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decimal_entry: |
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imul eax,[new_dec] |
add [decimal],eax |
|
mov eax,[new_dec] |
xor edx,edx |
mov ebx,[entry_multiplier] |
div ebx |
mov [new_dec],eax |
|
call print_display |
|
call to_muuta |
|
popa |
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ret |
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no_entry: |
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call print_display |
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call to_muuta |
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popa |
ret |
|
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to_muuta: |
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pusha |
|
mov al,[dsign] |
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mov esi,muuta0 |
mov edi,muuta1 |
mov ecx,18 |
cld |
rep movsb |
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mov [muuta1],al |
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mov edi,muuta1+10 ; INTEGER |
mov eax,[integer] |
new_to_muuta1: |
mov ebx,10 |
xor edx,edx |
div ebx |
mov [edi],dl |
add [edi],byte 48 |
dec edi |
cmp edi,muuta1+1 |
jge new_to_muuta1 |
|
mov edi,muuta1+17 ; DECIMAL |
mov eax,[decimal] |
new_to_muuta2: |
mov ebx,10 |
xor edx,edx |
div ebx |
mov [edi],dl |
add [edi],byte 48 |
dec edi |
cmp edi,muuta1+12 |
jge new_to_muuta2 |
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call print_muuta |
|
popa |
ret |
|
|
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print_muuta: |
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pusha |
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mov eax,13 |
mov ebx,25*65536+125 |
mov ecx,200*65536+22 |
mov edx,0xffffff |
int 0x40 |
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mov eax,4 |
mov ebx,25*65536+200 |
mov ecx,0x0 |
mov edx,muuta1 |
mov esi,18 |
int 0x40 |
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mov eax,4 |
mov ebx,25*65536+210 |
mov ecx,0x0 |
mov edx,muuta2 |
mov esi,18 |
int 0x40 |
|
popa |
ret |
|
|
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new_entry: |
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pusha |
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mov esi,muuta1 |
mov edi,muuta2 |
mov ecx,18 |
cld |
rep movsb |
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mov esi,muuta0 |
mov edi,muuta1 |
mov ecx,18 |
cld |
rep movsb |
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mov [integer],0 |
mov [decimal],0 |
mov [id],0 |
mov [new_dec],100000 |
mov [sign],byte '+' |
|
popa |
ret |
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ten dd 10.0,0 |
tmp dw 1,0 |
sign db 1,0 |
tmp2 dq 0x0,0 |
exp dd 0x0,0 |
new_dec dd 100000,0 |
id db 0x0,0 |
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k8 dd 10000000 |
k8r dq 0 |
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res dd 0 |
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trans1 dq 0 |
trans2 dq 0 |
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controlWord dw 1 |
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|
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ftoa: ; fpu st0 -> [integer],[decimal] |
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pusha |
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fst [tmp2] |
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fstcw [controlWord] ; set truncate integer mode |
mov ax,[controlWord] |
mov [tmp], ax |
or [tmp], word 0x0C00 |
fldcw [tmp] |
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ftst ; test if st0 is negative |
fstsw ax |
and ax, 4500h |
mov [sign], 0 |
cmp ax, 0100h |
jne no_neg |
mov [sign],1 |
no_neg: |
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fld [tmp2] |
fistp [integer] |
|
fld [tmp2] |
fisub [integer] |
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fldcw [controlWord] |
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cmp byte [sign], 0 ; change fraction to positive |
je no_neg2 |
fchs |
no_neg2: |
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mov [res],0 ; convert 6 decimal numbers |
mov edi,6 |
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newd: |
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fimul [kymppi] |
fist [decimal] |
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mov ebx,[res] |
imul ebx,10 |
mov [res],ebx |
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mov eax,[decimal] |
add [res],eax |
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fisub [decimal] |
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fst [tmp2] |
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ftst |
fstsw ax |
test ax,1 |
jnz real_done |
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fld [tmp2] |
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dec edi |
jz real_done |
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jmp newd |
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real_done: |
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mov eax,[res] |
mov [decimal],eax |
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cmp [integer],0x80000000 ; out of fpu limits |
jne no_error |
mov [integer],0 |
mov [decimal],0 |
call clear_all |
mov [calc],'E' |
no_error: |
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mov [dsign],byte '+' |
cmp [sign],byte 0 ; convert negative result |
je no_negative |
mov eax,[integer] |
not eax |
inc eax |
mov [integer],eax |
mov [dsign],byte '-' |
no_negative: |
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call to_muuta |
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popa |
ret |
|
|
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atof: |
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push ax |
push di |
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fldz |
mov di, 0 |
cmp si, 0 |
je .error ; Jump if string has 0 length. |
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mov byte [sign], 0 |
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cmp byte [bx], '+' ; Take care of leading '+' or '-'. |
jne .noPlus |
inc di |
jmp .noMinus |
.noPlus: |
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cmp byte [bx], '-' |
jne .noMinus |
mov byte [sign], 1 ; Number is negative. |
inc di |
.noMinus: |
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cmp si, di |
je .error |
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call atof_convertWholePart |
jc .error |
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call atof_convertFractionalPart |
jc .error |
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cmp byte [sign], 0 |
je .dontNegate |
fchs ; Negate value |
.dontNegate: |
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mov bh, 0 ; Set bh to indicate the string is a valid number. |
jmp .exit |
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.error: |
mov bh, 1 ; Set error code. |
fstp st0 ; Pop top of fpu stack. |
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.exit: |
pop di |
pop ax |
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ret |
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|
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atof_convertWholePart: |
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; Convert the whole number part (the part preceding the decimal |
; point) by reading a digit at a time, multiplying the current |
; value by 10, and adding the digit. |
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.mainLoop: |
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mov al, [bx + di] |
cmp al, '.' |
je .exit |
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cmp al, '0' ; Make sure character is a digit. |
jb .error |
cmp al, '9' |
ja .error |
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; Convert single character to digit and save to memory for |
; transfer to the FPU. |
|
sub al, '0' |
mov ah, 0 |
mov [tmp], ax |
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; Multiply current value by 10 and add in digit. |
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fmul dword [ten] |
fiadd word [tmp] |
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inc di |
cmp si, di ; Jump if end of string has been reached. |
je .exit |
jmp .mainLoop |
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.error: |
stc ; Set error (carry) flag. |
ret |
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.exit: |
clc ; Clear error (carry) flag. |
ret |
|
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atof_convertFractionalPart: |
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fld1 ; Load 1 to TOS. This will be the value of the decimal place. |
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.mainLoop: |
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cmp si, di ; Jump if end of string has been reached. |
je .exit |
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inc di ; Move past the decimal point. |
cmp si, di ; Jump if end of string has been reached. |
je .exit |
mov al, [bx + di] |
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cmp al, '0' ; Make sure character is a digit. |
jb .error |
cmp al, '9' |
ja .error |
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fdiv dword [ten] ; Next decimal place |
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sub al, '0' |
mov ah, 0 |
mov [tmp], ax |
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; Load digit, multiply by value for appropriate decimal place, |
; and add to current total. |
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fild word [tmp] |
fmul st0, st1 |
faddp st2, st0 |
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jmp .mainLoop |
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.error: |
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stc ; Set error (carry) flag. |
fstp st0 ; Pop top of fpu stack. |
ret |
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.exit: |
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clc ; Clear error (carry) flag. |
fstp st0 ; Pop top of fpu stack. |
ret |
|
|
|
|
; ********************************************* |
; ******* WINDOW DEFINITIONS AND DRAW ******** |
; ********************************************* |
|
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draw_window: |
|
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mov eax,12 ; function 12:tell os about windowdraw |
mov ebx,1 ; 1, start of draw |
int 0x40 |
|
; DRAW WINDOW |
mov eax,0 ; function 0 : define and draw window |
mov ebx,100*65536+230 ; [x start] *65536 + [x size] |
mov ecx,100*65536+185 ; [y start] *65536 + [y size] |
mov edx,0x02ffffff ; color of work area RRGGBB,8->color gl |
mov esi,0x805977bb ; color of grab bar RRGGBB,8->color gl |
mov edi,0x005977bb ; color of frames RRGGBB |
int 0x40 |
; CLOSE BUTTON |
mov eax,8 ; function 8 : define and draw button |
mov ebx,(230-18)*65536+12 ; [x start] *65536 + [x size] |
mov ecx,4*65536+12 ; [y start] *65536 + [y size] |
mov edx,1 ; button id |
mov esi,0x335599 ; button color RRGGBB |
int 0x40 |
|
; WINDOW LABEL |
mov eax,4 ; function 4 : write text to window |
mov ebx,8*65536+8 ; [x start] *65536 + [y start] |
mov ecx,0x00ddeeff ; color of text RRGGBB |
mov edx,labelt ; pointer to text beginning |
mov esi,labellen-labelt ; text length |
int 0x40 |
|
mov ebx,24*65536+25+3 |
mov ecx,70*65536+17 |
mov edx,6 |
mov esi,0x303090;cc2211 |
mov edi,7 |
newbutton: |
dec edi |
jnz no_new_row |
mov edi,6 |
mov ebx,24*65536+25+3 |
add ecx,20*65536 |
no_new_row: |
mov eax,8 |
int 0x40 |
add ebx,30*65536 |
inc edx |
cmp edx,11+24 |
jbe newbutton |
|
mov eax,8 ; CLEAR ALL |
mov ebx,25*65536+27 |
mov ecx,41*65536+15 |
mov edx,2 |
int 0x40 |
|
mov eax,8 ; CHANGE DISPLAY TYPE |
mov ebx,203*65536+7 |
mov ecx,28*65536+7 |
mov edx,3 |
int 0x40 |
|
mov ebx,25*65536+35 ; draw info text with function 4 |
mov ecx,0xffffff ; 224466 |
mov edx,text |
mov esi,30 |
newline: |
mov eax,4 |
int 0x40 |
add ebx,10 |
add edx,30 |
cmp [edx],byte 'x' |
jne newline |
|
call print_display |
|
mov eax,12 ; function 12:tell os about windowdraw |
mov ebx,2 ; 2, end of draw |
int 0x40 |
|
ret |
|
|
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print_display: |
|
pusha |
|
mov eax,13 |
mov ebx,59*65536+143 |
mov ecx,24*65536+44 |
mov edx,0xffffff |
int 0x40 |
|
mov eax,4 |
mov ebx,120*65536+28 |
mov ecx,0 |
mov edx,calc |
mov esi,1 |
int 0x40 |
|
mov eax,4 |
mov ebx,175*65536+28 |
mov ecx,0 |
mov edx,[display_type] |
shl edx,2 |
add edx,display_type_text |
mov esi,3 |
int 0x40 |
|
cmp [display_type],0 ; display as desimal |
jne no_display_decimal |
|
mov eax,47 |
mov ebx,11*65536 ; 11 decimal digits for 32 bits |
mov ecx,[integer] |
mov edx,84*65536+44 |
mov esi,0x0 |
int 0x40 |
|
mov eax,47 |
mov ebx,6*65536 |
mov ecx,[decimal] |
mov edx,156*65536+44 |
mov esi,0x0 |
int 0x40 |
|
mov eax,4 |
mov ebx,150*65536+44 |
mov ecx,0x0 |
mov edx,dot |
mov esi,1 |
int 0x40 |
|
mov eax,4 |
mov ebx,77*65536+44 |
mov ecx,0x0 |
mov edx,dsign |
mov esi,1 |
int 0x40 |
|
no_display_decimal: |
|
cmp [display_type],1 |
jne no_display_hexadecimal |
|
mov eax,4 |
mov ebx,138*65536+44 |
mov ecx,0x0 |
mov edx,dsign |
mov esi,1 |
int 0x40 |
|
mov eax,47 |
mov ebx,1*256+8*65536 ; 8 hexadecimal digits for 32 bits |
mov ecx,[integer] |
mov edx,144*65536+44 |
mov esi,0x0 |
int 0x40 |
|
no_display_hexadecimal: |
|
|
cmp [display_type],2 |
jne no_display_binary |
|
mov eax,4 |
mov ebx,96*65536+44 |
mov ecx,0x0 |
mov edx,dsign |
mov esi,1 |
int 0x40 |
|
mov eax,47 |
mov ebx,2*256+15*65536 ; 16 binary digits for 32 bits |
mov ecx,[integer] |
mov edx,102*65536+44 |
mov esi,0x0 |
int 0x40 |
|
no_display_binary: |
|
popa |
ret |
|
|
clear_all: |
|
pusha |
|
mov [calc],' ' |
mov [integer],0 |
mov [decimal],0 |
mov [id],0 |
mov [dsign],byte '+' |
mov esi,muuta0 |
mov edi,muuta1 |
mov ecx,18 |
cld |
rep movsb |
mov esi,muuta0 |
mov edi,muuta2 |
mov ecx,18 |
cld |
rep movsb |
call print_muuta |
call print_display |
|
popa |
ret |
|
|
|
; DATA AREA |
|
display_type dd 0 ; 0 = decimal, 1 = hexadecimal, 2= binary |
entry_multiplier dd 10 |
|
display_start_y dd 0x0 |
display_type_text db 'dec hex bin' |
|
dot db '.' |
|
calc db ' ' |
|
integer dd 0 |
decimal dd 0 |
|
kymppi dd 10 |
|
dsign: |
muuta1 db '+0000000000.000000' |
muuta2 db '+0000000000.000000' |
muuta0 db '+0000000000.000000' |
|
|
text: |
db ' ' |
db ' C ' |
db ' ' |
db ' ' |
db ' A B C D E F ' |
db ' ' |
db ' 1 2 3 + SIN INT ' |
db ' ' |
db ' 4 5 6 - COS LG2 ' |
db ' ' |
db ' 7 8 9 / TAN P ' |
db ' ' |
db ' -/+ 0 . * SQR = ' |
db ' ' |
db 'x <- END MARKER, DONT DELETE ' |
asci: db 49,50,51,52,53,54,55,56,57,48,43,61,45,42,47,44,46,52,13,97,98,99,100 |
db 101,102,65,66,67,68,69,70,112,80,27,182 |
butid: db 12,13,14,18,19,20,24,25,26,31,15,35,21,33,27,32,32,33,35,6,7,8,9,10,11 |
db 6,7,8,9,10,11,29,29,2,2 |
|
labelt: |
db 'FPU CALCULATOR' |
labellen: |
|
I_END: |
|
|
|
|
|
Property changes: |
Added: svn:eol-style |
+native |
\ No newline at end of property |