forked from KolibriOS/kolibrios
493 lines
8.7 KiB
NASM
493 lines
8.7 KiB
NASM
; KolSPForth v12
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;Memory Map
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;
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;0
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;0x02C7D ;I_END
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;0x05430 ;CTOP
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;0x3F800 ;Data stack
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;0x3FA00 ;return stack
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;0x3FC00 ;User
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;0x3FE00 ;TIB
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;0x30000 ;FILE BUFF
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;0x40000 (256K)
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;; Version control
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VER EQU 1 ;major release version
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EXT EQU 0 ;minor extension
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;; Constants
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TRUEE EQU -1 ;true flag
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COMPO EQU 040H ;lexicon compile only bit
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IMEDD EQU 080H ;lexicon immediate bit
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MASKK EQU 01FH ;lexicon bit mask
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CELLL EQU 4 ;size of a cell
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BASEE EQU 10 ;default radix
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VOCSS EQU 8 ;depth of vocabulary stack
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BKSPP EQU 8 ;back space
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LF EQU 10 ;line feed
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CRR EQU 13 ;carriage return
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ERR EQU 27 ;error escape
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TIC EQU 39 ;tick
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CALLL EQU 0E8H ;CALL opcodes
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ROWH EQU 13
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KEY_DELAY EQU 20
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FW_WIDTH equ 500
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FW_HEIGHT equ 352
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;; Memory allocation
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EM EQU 256*1024 ;top of memory
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FILE_BS EQU 64*1024 ;file buff size
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US EQU 128*CELLL ;user area size in cells
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RTS EQU 1024*CELLL ;return stack/TIB size
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FILE_B EQU EM-FILE_BS ;terminal input buffer (TIB)
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TIBB EQU FILE_B-RTS ;terminal input buffer (TIB)
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; UPP EQU TIBB-US ;start of user area (UP0)
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RPP EQU UPP-RTS ;start of return stack (ESP0)
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SPP EQU RPP-RTS ;start of data stack (EBP0)
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LastNFA = 0
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LastCFA EQU INIT
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macro AHEADER FLAG,ID,F_CFA {
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db FLAG
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DD F_CFA
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DD LastNFA
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The_Nfa = $
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DB ID,0
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LastNFA = The_Nfa
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F_CFA:
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}
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macro cfa_AHEADER FLAG,ID,F_CFA {
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db FLAG
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DD cfa_#F_CFA
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DD LastNFA
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The_Nfa = $
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DB ID,0
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LastNFA = The_Nfa
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cfa_#F_CFA:
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}
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;; Main entry points and COLD start data
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use32
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format binary as ""
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org 0x0
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db 'MENUET01'
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dd 0x01
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dd ORIG ; start of code
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dd I_END ; size of image
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MEMS: dd EM ; memory for app
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dd SPP ; esp
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dd params
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dd cur_dir_path
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lang fix ru
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include 'MACROS.INC'
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include '..\..\proc32.inc'
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align 4
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proc strncmp stdcall, s1:dword, s2:dword, n:dword
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push esi
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push edi
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mov ecx, [n]
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test ecx, ecx ; Max length is zero?
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je .done
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mov esi, [s1] ; esi = string s1
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mov edi, [s2] ; edi = string s2
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cld
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.compare:
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cmpsb ; Compare two bytes
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jne .done
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cmp byte [esi-1], 0 ; End of string?
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je .done
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dec ecx ; Length limit reached?
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jne .compare
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.done:
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seta al ; al = (s1 > s2)
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setb ah ; ah = (s1 < s2)
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sub al, ah
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movsx eax, al ; eax = (s1 > s2) - (s1 < s2), i.e. -1, 0, 1
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pop edi
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pop esi
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ret
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endp
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align 4
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proc GetPr stdcall, exp:dword, sz_name:dword
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mov edx, [exp]
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.next:
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push edx
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stdcall strncmp, edx, [sz_name], 16
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pop edx
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test eax, eax
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jz .ok
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mov edx, [edx-4]
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test edx, edx
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jnz .next
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mov eax,edx
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ret
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.ok:
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mov eax, [edx-8]
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ret
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endp
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AHEADER 0 ,'GETPR',cfa_GETPR
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JMP GetPr
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ORIG:
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MOV EBP,RPP ;initialize RP
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CLD ;ESI gets incremented
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finit
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call draw_window
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call calc_lines
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XCHG ESP,EBP
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CALL amain
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BYE: mcall -1
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ULAST: ; DD 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
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draw_cursor:
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draw_window:
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pusha
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mcall 12,1
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mov [fRed],ebx
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mcall 0, <0,FW_WIDTH>, <0,FW_HEIGHT>, 0x54000000
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; mcall 0,,,COL_WINDOW_BG, ,title ; define window
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mcall 71, 1, header
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mcall 9,pinfo,-1
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mov eax,[pinfo.x_size]
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cdq
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sub eax,20
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mov ebx,6
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div ebx
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mov [pinfo.x_start],eax
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mov eax,[pinfo.y_size]
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cdq
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sub eax,40
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mov ebx,ROWH
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div ebx
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mov [pinfo.y_start],eax
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call erase_screen
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mcall 12, 2
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mcall 67,-1,-1,FW_WIDTH,FW_HEIGHT
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popa
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ret
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macro GetSkinHeight
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{
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mov eax,48
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mov ebx,4
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int 0x40
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}
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erase_screen:
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GetSkinHeight
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mov ecx,eax
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shl ecx,16
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add ecx,[pinfo.y_size]
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sub ecx,eax
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sub ecx,4
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mov ebx,[pinfo.x_size]
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add ebx,5 shl 16 - 9
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mcall 13,,,0;xff
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ret
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AHEADER 0,"CC_LINES",cfa_CC_LINES
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calc_lines:
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cmp dword[UPP+10*4],0
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je .ex
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pusha
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mov ebp,os_work
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mov al,0xd
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mov edi,screen_buf
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; mov esi,[cursor]
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; mov byte[esi],'_'
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; inc [cursor]
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.again:
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mov [ebp],edi
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mov esi,[cursor]
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sub esi,edi
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mov ecx,[pinfo.x_start]
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; test ecx,ecx
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; jnz .no0
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; inc ecx
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; .no0:
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cmp ecx,esi
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jbe .ok
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mov ecx,esi
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.ok:
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repne scasb
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jecxz .nocrlf
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cmp byte[edi],10
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jne .nocrlf
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inc edi
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.nocrlf:
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mov ecx,edi
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sub ecx,[ebp]
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add ebp,8
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mov [ebp-4],ecx
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cmp edi,[cursor]
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jb .again
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and dword[ebp],0
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; dpd esi
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mov eax,[pinfo.y_start]
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shl eax,3
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sub ebp,eax
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cmp ebp,os_work
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jae .ok2
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mov ebp,os_work
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.ok2:
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cmp ebp,[last_ebp]
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je .ok3
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mov [last_ebp],ebp
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call erase_screen
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.ok3:
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mov ebx,10 shl 16 +30
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; ud2
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.newl:
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mcall 4,,0xffffff,[ebp],[ebp+4]
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add ebp,8
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add ebx,ROWH
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cmp dword[ebp],0
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jnz .newl
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SUB ebx,ROWH
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call set_cur
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popa
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.ex:
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ret
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set_cur:
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MOV ecx,EBX
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shl ecx,16
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add ecx,EBX
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MOV EAX,[ebp+4-8]
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add EAX,2
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imul EAX,6
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mov EBX,EAX
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shl ebx,16
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add EBX,EAX
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mov [lastcur],ecx
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mov [lastcur+4],ebx
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ret
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e_calc_lines:
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cmp dword[UPP+10*4],0
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je e_.ex
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pusha
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mov ebp,os_work
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mov al,0xd
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mov edi,screen_buf
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; mov esi,[cursor]
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; mov byte[esi],'_'
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; inc [cursor]
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e_.again:
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mov [ebp],edi
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mov esi,[cursor]
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sub esi,edi
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mov ecx,[pinfo.x_start]
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; test ecx,ecx
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; jnz .no0
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; inc ecx
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; .no0:
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cmp ecx,esi
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jbe e_.ok
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mov ecx,esi
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e_.ok:
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repne scasb
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jecxz e_.nocrlf
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cmp byte[edi],10
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jne e_.nocrlf
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inc edi
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e_.nocrlf:
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mov ecx,edi
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sub ecx,[ebp]
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add ebp,8
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mov [ebp-4],ecx
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cmp edi,[cursor]
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jb e_.again
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and dword[ebp],0
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; dpd esi
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mov eax,[pinfo.y_start]
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shl eax,3
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sub ebp,eax
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cmp ebp,os_work
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jae e_.ok2
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mov ebp,os_work
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e_.ok2:
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cmp ebp,[last_ebp]
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je e_.ok3
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mov [last_ebp],ebp
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cmp byte[edi],10
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jne e_.ok3
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call erase_screen
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e_.ok3:
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mov ebx,10 shl 16+30
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; ud2
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e_.newl:
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; mcall 4,,0xffffff,[ebp],[ebp+4]
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add ebp,8
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add ebx,ROWH
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cmp dword[ebp],0
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jnz e_.newl
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SUB ebx,ROWH
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mcall 4,,0x00ffffff,[ebp-8],[ebp+4-8]
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call set_cur
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popa
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e_.ex:
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ret
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AHEADER 0,"?KEY",cfa_queKEY
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PUSH EDI
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XCHG EBP,ESP
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PUSH EAX
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POP EBX
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mov eax,10
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test ebx,ebx
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jz QRX0
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inc eax
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QRX0:
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XOR ECX,ECX ;EBX=0 setup for false flag
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mcall
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cmp eax,1
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jne QRX_
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call draw_window
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call calc_lines
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QRX_:
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cmp eax,3
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je BYE
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cmp eax,2
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jne QRX3
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mcall 2
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QRX1: MOVZX ECX,AH
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QRX2: PUSH ECX ;save character
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QRX_TRUE:
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MOV ECX,TRUEE ;true flag
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QRX3: PUSH ECX
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POP eax
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XCHG EBP,ESP
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POP EDI
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ret
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; ?RX ( -- c T | F )
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; Return input character and true, or a false if no input.
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AHEADER 0,"EMIT_N",cfa_EMIT_N
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PUSH EDI
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XCHG EBP,ESP
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;char in AL
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CMP AL,0FFH ;0FFH is interpreted as input
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JNZ TX2 ;do NOT allow input
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MOV AL,32 ;change to blank
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TX2:
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mov ebx,[cursor]
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mov [ebx],AL
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inc [cursor]
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POP eax
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XCHG EBP,ESP
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POP EDI
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RET
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;; Basic I/O
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cfa_AHEADER 0,'CL_CUR',CL_CUR
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PUSH EAX
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mcall 38,[lastcur+4],[lastcur],0
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POP EAX
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RET
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cfa_AHEADER 0,'DR_CUR',DR_CUR
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PUSH EAX
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mcall 38,[lastcur+4],[lastcur],0x00FF00FF
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POP EAX
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RET
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COLOR_ORDER equ MENUETOS
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include 'gif_lite.inc'
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cfa_AHEADER 0,'READ_GIF',READ_GIF ;( gif_ptr, out_ptr -- result )
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push esi
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push edi
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push ebp
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mov edi, eax
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mov esi,[ebp]
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mov eax,os_work
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call ReadGIF
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pop ebp
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pop edi
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pop esi
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add ebp,4
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RET
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;===============================================================
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cursor dd screen_buf
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fRed dd 1
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last_ebp dd 0
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include 'amain.asm'
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header db 'Kolibri Forth v12.1',0
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params: rb 256
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cur_dir_path: rb 4096
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FINFO:
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.mode dd 0
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dd 0
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.blk dd 1
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.buf dd 0
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.work dd os_work
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lastcur dd 0,0
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I_END:
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squote_buf rb 1024
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sys_v rd 6
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screen_buf:
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; sc_end:
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rb 4096
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pinfo process_information
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os_work rb 16*1024
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CTOP = $ ;next available memory in code dictionary
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;============================================================= |