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CC2.ASM
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2646 lines (2590 loc) · 46.7 KB
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; -----------------------------------------------------------
; Small C Compiler for TRDOS 386 (v2.0.9 and later)
; Erdogan Tan - 2024
; Beginning: 05/09/2024
; Last Update: 22/03/2026
; -----------------------------------------------------------
; Derived from 'cc2.asm' file of KolibriOS SCC source code
; 2024
_preprocess: ; preprocess() {
PUSH EBP
MOV EBP,ESP
ADD ESP,-8 ; int k; char c;
; if(ccode) {
MOV EAX,[_ccode]
OR EAX,EAX
JNZ short _2_3
; else
_2_2:
CALL _inline ; inline();
_2_5: ; return;
MOV ESP,EBP
POP EBP
RETN
_2_3: ; line = mline;
MOV EAX,[_mline]
MOV DWORD [_line],EAX
CALL _ifline ; ifline();
; if(eof) return;
MOV EAX,[_eof]
OR EAX,EAX
JNZ short _2_5
_2_4:
_2_6: ; pptr = -1;
MOV EAX,-1
MOV DWORD [_pptr],EAX
_2_51:
_2_17:
_2_85:
_2_19:
_2_35:
_2_70:
_2_7:
; /* while(ch != NEWLINE && ch) { */
MOV EBX,[_ch]
;;; ; TRDOS 386 modification
MOV EAX,13 ; CR
CALL __ne
OR EAX,EAX
JZ short _2_9
;;;
MOV EAX,10
CALL __ne
OR EAX,EAX
JE short _2_9
_2_11:
MOV EAX,[_ch]
OR EAX,EAX
JNE short _2_12
_2_9:
_2_8:
; if(pptr >= LINEMAX) error("line too long");
MOV EBX,[_pptr]
MOV EAX,127 ; LINEMAX
CALL __ge
OR EAX,EAX
JE short _2_108
_2_109:
;MOV EAX,_2_1+23
MOV EAX,_lin_t_l_
PUSH EAX
CALL _error
;ADD ESP,4
POP EAX
;_2_108:
XOR EAX,EAX ; 0
_2_108:
PUSH EAX ; *
PUSH EAX
CALL _keepch ; keepch(NULL);
;ADD ESP,4
POP EAX
MOV EAX,[_pline]
MOV DWORD [_line],EAX ; line = pline;
;XOR EAX,EAX ; 0
;PUSH EAX ; *
CALL _bump ; bump(0);
ADD ESP,4
MOV ESP,EBP
POP EBP
RETN
_2_12:
;MOV EAX,1
_2_10:
_2_13: ; if(white()) {
CALL _white
OR EAX,EAX
JE short _2_14
_2_15: ; keepch(' ');
MOV EAX,32
PUSH EAX
CALL _keepch
ADD ESP,4
_2_16: ; while(white()) gch();
CALL _white
OR EAX,EAX
JNE short _2_18
JMP _2_17
_2_18:
CALL _gch
JMP short _2_16
_2_14: ; else if(ch == '"') {
MOV EBX,[_ch]
MOV EAX,34 ; '"'
CALL __eq
OR EAX,EAX
;JE short _2_20 ; else
JNE short _2_21
JMP _2_20
_2_21:
MOV EAX,[_ch]
PUSH EAX
CALL _keepch ; keepch(ch);
ADD ESP,4
CALL _gch ; gch();
_2_22:
; while(ch != '"' || (*(lptr-1) == 92
; && *(lptr-2) != 92)) {
MOV EBX,[_ch]
MOV EAX,34
CALL __ne
OR EAX,EAX
JNE short _2_24
_2_28:
MOV EAX,[_lptr]
DEC EAX
MOVSX EBX,BYTE [EAX] ; *(lptr-1)
MOV EAX,92 ; underscore
CALL __eq
OR EAX,EAX
JE short _2_25
_2_29:
MOV EAX,[_lptr]
DEC EAX
DEC EAX
MOVSX EBX,BYTE [EAX] ; *(lptr-2)
MOV EAX,92 ; underscore
CALL __ne
OR EAX,EAX
JE short _2_25
_2_30:
_2_26:
_2_24:
_2_27:
_2_32: ; if(ch == NULL) {
MOV EAX,[_ch]
OR EAX,EAX
JNE short _2_33
_2_34: ; error("no quote");
;MOV EAX,_2_1+0
MOV EAX,_no_quote_
PUSH EAX
CALL _error
ADD ESP,4
JMP short _2_23 ; break;
_2_33: ; keepch(gch());
CALL _gch
PUSH EAX
CALL _keepch
;ADD ESP,4
POP EAX
JMP short _2_22
_2_25:
_2_31:
_2_23:
CALL _gch ; getch();
MOV EAX,34 ; '"'
PUSH EAX
CALL _keepch ; keepch('"');
ADD ESP,4
;JMP _2_35
JMP _2_7
_2_20: ; else if(ch == 39) {
MOV EBX,[_ch]
MOV EAX,39 ; single quote
CALL __eq
OR EAX,EAX
;JE short _2_36 ; else
JNE short _2_37
JMP _2_36
_2_37:
MOV EAX,39
PUSH EAX
CALL _keepch ; keepch(39);
ADD ESP,4
CALL _gch ; gch();
_2_38:
; while(ch != 39 || (*(lptr-1) == 92 && *(lptr-2) != 92)) {
; && *(lptr-2) != 92)) {
MOV EBX,[_ch]
MOV EAX,39 ; single quote
CALL __ne
OR EAX,EAX
JNE short _2_40
_2_44:
MOV EAX,[_lptr]
DEC EAX
MOVSX EBX,BYTE [EAX] ; *(lptr-1)
MOV EAX,92 ; underscore
CALL __eq
OR EAX,EAX
JE short _2_47
_2_45:
MOV EAX,[_lptr]
DEC EAX
DEC EAX
MOVSX EBX,BYTE [EAX] ; *(lptr-2)
MOV EAX,92 ; ; underscore
CALL __ne
OR EAX,EAX
JE short _2_47
_2_46:
_2_42:
_2_40:
_2_48: ; if(ch == NULL) {
MOV EAX,[_ch]
OR EAX,EAX
JNE short _2_49
_2_50: ; error("no apostrophe");
;MOV EAX,_2_1+9
MOV EAX,_no_apost_
PUSH EAX
CALL _error
;ADD ESP,4
POp EAX
JMP short _2_39 ; break;
_2_49:
CALL _gch ; gch();
PUSH EAX
CALL _keepch ; keepch(gch());
;ADD ESP,4
POP EAX
JMP short _2_38 ; while
_2_41:
_2_47:
_2_43:
_2_39:
CALL _gch ; gch();
MOV EAX,39 ; single quote
PUSH EAX
CALL _keepch ; keepch(39);
;ADD ESP,4
POP EAX
JMP _2_51
_2_36:
; else if(ch == '/' && nch == '*')
MOV EBX,[_ch]
MOV EAX,47 ; '/'
CALL __eq
OR EAX,EAX
JE short _2_53
_2_55:
MOV EBX,[_nch]
MOV EAX,42 ; '*'
CALL __eq
OR EAX,EAX
JZ short _2_53 ; else
_2_56:
;MOV EAX,1
_2_54:
_2_57:
MOV EAX,2
_2_67:
PUSH EAX
CALL _bump ; bump(2);
;ADD ESP,4
POP EAX
_2_68:
_2_58: ; while((ch == '*' && nch == '/') == 0)
MOV EBX,[_ch]
MOV EAX,42 ; '*'
CALL __eq
OR EAX,EAX
JZ short _2_60
_2_62: ; &&
MOV EBX,[_nch]
MOV EAX,47 ; '/'
CALL __eq
OR EAX,EAX
;JE short _2_60
;_2_63:
;MOV EAX,1
;JMP short _2_61
JNE short _2_61
_2_60:
_2_64: ; if(ch)
MOV EAX,[_ch]
OR EAX,EAX
JE short _2_65 ; else
_2_66: ; bump(1);
MOV EAX,1
JMP short _2_67
_2_65:
CALL _ifline ; ifline();
; if(eof)
MOV EAX,[_eof]
OR EAX,EAX
;JNE short _2_69 ; break;
JE short _2_68
_2_69:
_2_61:
_2_59:
MOV EAX,2
PUSH EAX
CALL _bump ; bump(2);
;ADD ESP,4
POP EAX
JMP _2_70
_2_53:
_2_52:
; else if(ch == '/' && nch == '/')
MOV EBX,[_ch]
MOV EAX,47 ; '/'
CALL __eq
OR EAX,EAX
JE short _2_72 ; else
_2_74:
MOV EBX,[_nch]
MOV EAX,47 ; '/!
CALL __eq
OR EAX,EAX
JE short _2_72 ; else
_2_75:
;MOV EAX,1
_2_73:
_2_76:
MOV EAX,2
_2_81:
PUSH EAX
CALL _bump ; bump(2);
_2_82:
ADD ESP,4
_2_83: ; /* while(ch != NEWLINE) */
_2_77: ; while(ch != 13 && ch != NEWLINE)
MOV EBX,[_ch]
;;; ; TRDOS 386 modification
MOV EAX,13 ; CR
CALL __ne
OR EAX,EAX
JZ short _2_78
;;;
MOV EAX,10 ; LF
CALL __ne
OR EAX,EAX
JE short _2_78
_2_79: ; if(ch)
MOV EAX,[_ch]
OR EAX,EAX
JE short _2_80 ; else
MOV EAX,1
JMP short _2_81
_2_80: ; if(eof)
MOV EAX,[_eof]
OR EAX,EAX
JE short _2_83 ; while
_2_84: ; break;
_2_78:
MOV EAX,1
PUSH EAX
CALL _bump ; bump(1);
ADD ESP,4
JMP _2_85
_2_72:
_2_71: ; else if(an(ch)) {
MOV EAX,[_ch]
PUSH EAX
CALL _an
ADD ESP,4
OR EAX,EAX
JNE short _2_87
JMP _2_86
_2_87: ; k = 0;
LEA EBX,[EBP-4]
XOR EAX,EAX ; 0
MOV [EBX],EAX
_2_88:
; while(an(ch) && k < NAMEMAX) {
MOV EAX,[_ch]
PUSH EAX
CALL _an
ADD ESP,4
OR EAX,EAX
JZ short _2_90
_2_92: ; msname[k++] = ch;
LEA EAX,[EBP-4]
MOV EBX,[EAX]
MOV EAX,8 ; NAMEMAX
CALL __lt
OR EAX,EAX
JZ short _2_90
_2_93:
;MOV EAX,1
_2_91:
_2_94: ; msname[k++] = ch;
LEA EDX,[EBP-4] ; k
MOV EBX,[EDX]
INC DwORD [EDX] ; k++
ADD EBX,_msname ; msname[k]
MOV EAX,[_ch]
MOV [EBX],AL
CALL _gch
JMP short _2_88 ; while
_2_90:
_2_89:
; msname[k] = NULL;
MOV ECX,_msname
PUSH ECX ; +6+
LEA EAX,[EBP-4] ; k
MOV EBX,[EAX]
ADD EBX,ECX ; msname[k]
XOR EAX,EAX
MOV [EBX],AL ; NULL
; if(search(msname, macn, NAMESIZE+2,
; MACNEND, MACNBR, 0)) {
;MOV EAX,_msname
;PUSH EAX ; +6+
MOV EBX,[_macn]
PUSH EBX ; +5+
MOV EAX,11 ; NAMESIZE+2
PUSH EAX ; +4+
;MOV EBX,[_macn]
; MACNSIZE = MACNBR*(NAMESIZE+2)
MOV EAX,3300
ADD EAX,EBX
PUSH EAX ; +3+
MOV EAX,300 ; MACNBR
PUSH EAX ; +2+
XOR EAX,EAX ; 0
PUSH EAX ; +1+
;MOV CL,6
CALL _search
ADD ESP,24
OR EAX,EAX
JE short _2_95 ; else
_2_96:
; k = getint(cptr+NAMESIZE, 2/*INTSIZE*/);
MOV EAX,[_cptr]
MOV EBX,9 ; NAMESIZE
ADD EAX,EBX
PUSH EAX
MOV EAX,2
PUSH EAX
CALL _getint
ADD ESP,8
LEA EBX,[EBP-4] ; k
MOV [EBX],EAX
_2_97:
; while(c = macq[k++]) keepch(c);
MOV EDX,[_macq]
LEA EBX,[EBP-4] ; k
MOV EAX,[EBX]
;INC EAX
;MOV [EBX],EAX
;DEC EAX
INC DWORD [EBX] ; k++
ADD EDX,EAX
MOVSX EAX,BYTE [EDX]
LEA EBX,[EBP-8] ; c
MOV [EBX],AL
OR EAX,EAX
JE short _2_98
_2_99:
;LEA EBX,[EBP-8]
;MOVSX EAX,BYTE [EBX]
PUSH EAX
CALL _keepch
;ADD ESP,4
POP EAX
JMP short _2_97
_2_98:
_2_100: ; while(an(ch)) gch();
MOV EAX,[_ch]
PUSH EAX
CALL _an
ADD ESP,4
OR EAX,EAX
JE short _2_101
_2_102:
CALL _gch
JMP short _2_100
_2_95:
; k = 0;
LEA EBX,[EBP-4]
XOR EAX,EAX
MOV [EBX],EAX
_2_104: ; while(c = msname[k++])
MOV EDX,_msname
LEA EBX,[EBP-4] ; k
MOV EAX,[EBX]
;INC EAX
;MOV [EBX],EAX
;DEC EAX
INC DWORD [EBX] ; k++
ADD EDX,EAX
MOVSX EAX,BYTE [EDX]
LEA EBX,[EBP-8] ; c
MOV [EBX],AL
OR EAX,EAX
JZ short _2_105
_2_106:
; keepch(c);
;LEA EBX,[EBP-8] ; c
;MOVSX EAX,BYTE [EBX]
PUSH EAX
CALL _keepch
;ADD ESP,4
POP EAX
JMP short _2_104 ; while
_2_86:
; else keepch(gch());
CALL _gch
PUSH EAX
CALL _keepch
ADD ESP,4
_2_101:
_2_105:
_2_103:
_2_107:
JMP _2_7
_2_1:
_no_quote_: DB "no quote",0
_no_apost_: DB "no apostrophe",0
_lin_t_l_: DB "line too long",0
_keepch: ; keepch(c)
PUSH EBP
MOV EBP,ESP
MOV EBX,[_pptr] ; if(pptr < LINEMAX)
MOV EAX,127
CALL __lt
OR EAX,EAX
JZ short _2_111 ; false
_2_112: ; pline[++pptr] = c;
MOV EAX,[_pptr]
INC EAX
MOV DWORD [_pptr],EAX
MOV EBX,[_pline]
ADD EBX,EAX
LEA EDX,[EBP+8] ; char c;
;MOVSX EAX,BYTE [EDX]
MOV AL,[EDX]
MOV [EBX],AL
_2_111:
POP EBP
RETN
_ifline: ; ifline() {
PUSH EBP
MOV EBP,ESP
_2_114: ; while(1) {
; inline();
CALL _inline
; if(eof) return;
MOV EAX,[_eof]
OR EAX,EAX
JE short _2_116
_2_117:
POP EBP
RETN
_2_116: ; if(match("#ifdef")) {
;MOV EAX,_2_113+0
MOV EAX,_if_def_
PUSH EAX
CALL _match
ADD ESP,4
OR EAX,EAX
JE short _2_118
_2_119: ; ++iflevel;
;MOV EAX,[_iflevel]
;INC EAX
;MOV DWORD [_iflevel],EAX
INC DWORD [_iflevel]
; if(skiplevel) continue;
MOV EAX,[_skipleve]
OR EAX,EAX
JNE short _2_114 ; while
_2_120: ; symname(msname);
MOV EAX,_msname
PUSH EAX ; +6+
PUSH EAX
CALL _symname
;ADD ESP,4
POP EAX
; if(search(msname, macn, NAMESIZE+2,
; MACNEND, MACNBR, 0) == 0)
;MOV EAX,_msname
;PUSH EAX ; +6+
MOV EBX,[_macn]
PUSH EBX ; +5+
MOV EAX,11 ; NAMESIZE+2
PUSH EAX ; +4+
;MOV EBX,[_macn]
; MACNSIZE = MACNBR*(NAMESIZE+2)
MOV EAX,3300
ADD EAX,EBX ; MACNEND = macn+MACNSIZE
PUSH EAX ; +3+
MOV EAX,300 ; MACNBR
PUSH EAX ; +2+
XOR EAX,EAX ; 0
PUSH EAX ; +1+
;MOV CL,6
CALL _search
ADD ESP,24
OR EAX,EAX
;JNE short _2_122
JNZ short _2_114
_2_123: ; skiplevel = iflevel;
MOV EAX,[_iflevel]
MOV DWORD [_skipleve],EAX
_2_122: ; continue;
JMP short _2_114 ; while
_2_118: ; if(match("#ifndef")) {
;MOV EAX,_2_113+7
MOV EAX,_if_ndef_
PUSH EAX
CALL _match
ADD ESP,4
OR EAX,EAX
JE short _2_124
_2_125: ; ++iflevel;
;MOV EAX,[_iflevel]
;INC EAX
;MOV DWORD [_iflevel],EAX
INC DWORD [_iflevel]
; if(skiplevel) continue;
MOV EAX,[_skipleve]
OR EAX,EAX
;JNE short _2_114 ; while
JE short _2_126
JMP _2_114
_2_126: ; symname(msname);
MOV EAX,_msname
PUSH EAX ; +6+
PUSH EAX
CALL _symname
;ADD ESP,4
POP EAX
; if(search(msname, macn, NAMESIZE+2,
; MACNEND, MACNBR, 0))
;MOV EAX,_msname
;PUSH EAX ; +6+
MOV EBX,[_macn]
PUSH EBX ; +5+
MOV EAX,11 ; NAMESIZE+2
PUSH EAX ; +4+
;MOV EBX,[_macn]
; MACNSIZE = MACNBR*(NAMESIZE+2)
MOV EAX,3300
ADD EAX,EBX ; MACNEND = macn+MACNSIZE
PUSH EAX ; +3+
MOV EAX,300 ; MACNBR
PUSH EAX ; +2+
XOR EAX,EAX ; 0
PUSH EAX ; +1+
;MOV CL,6
CALL _search
ADD ESP,24
OR EAX,EAX
JE short _2_128 ; continue; (while)
;JNZ short _2_129
;JMP _2_114
_2_129: ; skiplevel = iflevel;
MOV EAX,[_iflevel]
MOV DWORD [_skipleve],EAX
_2_128:
JMP _2_114 ; continue;
_2_124: ; if(match("#else")) {
;MOV EAX,_2_113+15
MOV EAX,_if_else_
PUSH EAX
CALL _match
ADD ESP,4
OR EAX,EAX
JE short _2_130
_2_131: ; if(iflevel) {
MOV EAX,[_iflevel]
OR EAX,EAX
JE short _2_132 ; else
_2_133: ; if(skiplevel == iflevel)
MOV EBX,[_skipleve]
MOV EAX,[_iflevel]
CALL __eq
OR EAX,EAX
JE short _2_134 ; else
_2_135: ; skiplevel = 0;
XOR EAX,EAX
MOV DWORD [_skipleve],EAX
;JMP short _2_136
JMP _2_114
_2_134: ; else if(skiplevel == 0)
MOV EAX,[_skipleve]
OR EAX,EAX
;JZ short _2_138
;JMP _2_114
JNZ short _2_128
_2_138: ; skiplevel = iflevel;
MOV EAX,[_iflevel]
MOV DWORD [_skipleve],EAX
_2_137:
;_2_136:
;JMP short _2_139
JMP _2_114 ; while
_2_132: ; else noiferr();
CALL _noiferr
;_2_139: ; continue;
JMP _2_114
_2_130: ; if(match("#endif")) {
;MOV EAX,_2_113+21
MOV EAX,_endif_
PUSH EAX
CALL _match
ADD ESP,4
OR EAX,EAX
JE short _2_140
_2_141: ; if(iflevel) {
MOV EAX,[_iflevel]
OR EAX,EAX
JE short _2_142 ; else
_2_143: ; if(skiplevel == iflevel)
MOV EBX,[_skipleve]
MOV EAX,[_iflevel]
CALL __eq
OR EAX,EAX
JE short _2_144
_2_145: ; skiplevel = 0;
XOR EAX,EAX
MOV DWORD [_skipleve],EAX
_2_144: ; --iflevel;
;MOV EAX,[_iflevel]
;DEC EAX
;MOV DWORD [_iflevel],EAX
DEC DWORD [_iflevel]
JMP _2_114 ; while
_2_142: ; else noiferr();
CALL _noiferr
_2_146: ; continue;
JMP _2_114 ; while
_2_140: ; if(skiplevel) continue;
MOV EAX,[_skipleve]
OR EAX,EAX
;JNE short _2_114
JNZ short _2_146
_2_147: ; if(ch == 0) continue;
MOV EAX,[_ch]
OR EAX,EAX
;JE short _2_114
JZ short _2_146
_2_149: ; break;
_2_115:
POP EBP
RETN
_2_113:
_if_def_: DB "#ifdef",0
_if_ndef_: DB "#ifndef",0
_if_else_: DB "#else",0
_endif_: DB "#endif",0
_inline:
PUSH EBP
MOV EBP,ESP
ADD ESP,-8 ; int k, unit;
MOV EBX,[_input] ; if(input == EOF) openfile();
MOV EAX,-1
CALL __eq
OR EAX,EAX
JZ short _2_152
_2_153:
;XOR CL,CL
CALL _openfile ; openfile();
_2_152:
MOV EAX,[_eof] ; if(eof) return;
OR EAX,EAX
JZ short _2_154
_2_155:
MOV ESP,EBP
POP EBP
RETN
_2_154:
MOV EAX,[_input2] ; if((unit = input2) == EOF)
LEA EBX,[EBP-8]
MOV [EBX],EAX ; unit = input2
;MOV EBX,EAX
;MOV EAX,-1 ; EOF
MOV EBX,-1
CALL __eq
OR EAX,EAX
JZ short _2_156 ; false
_2_157: ; true
LEA EBX,[EBP-8] ; unit
MOV EAX,[_input]
MOV [EBX],EAX ; unit = input;
_2_156: ; if(fgets(line, LINEMAX, unit) == NULL) {
MOV EAX,[_line]
PUSH EAX
MOV EAX,127 ; LINEMAX
PUSH EAX
LEA EBX,[EBP-8]
MOV EAX,[EBX] ; unit
PUSH EAX
;MOV CL,3
CALL _fgets
ADD ESP,12
OR EAX,EAX ; NULL ?
JNZ short _2_158 ; no, false
_2_159: ; yes, true
LEA EBX,[EBP-8] ; unit
MOV EAX,[EBX]
PUSH EAX
;MOV CL,1
CALL _OS_fclose ; fclose(unit);
;ADD ESP,4
POP EAX
MOV EBX,[_input2]
MOV EAX,-1
CALL __ne ; if(input2 != EOF)
OR EAX,EAX
JZ short _2_160 ; false
_2_161: ; true
MOV EAX,-1 ; input2 = EOF;
MOV DWORD [_input2],EAX
JMP short _2_162
_2_160: ; else
;MOV EAX,-1
DEC EAX
; eax = -1
MOV DWORD [_input],EAX ; input = EOF;
_2_162:
MOV EBX,[_line]
XOR EAX,EAX
MOV [EBX],AL ; *line = NULL;
JMP short _2_163
_2_158: ; else if(listfp)
MOV EBX,[_listfp]
OR EBX,EBX
JZ short _2_164 ; false
_2_165:
;MOV EBX,[_listfp] ; if(listfp == output)
MOV EAX,[_output]
CALL __eq
OR EAX,EAX
JZ short _2_166 ; false
_2_167: ; true
MOV EAX,59 ; ';'
PUSH EAX
MOV EAX,[_output]
PUSH EAX
;MOV CL,2
CALL _OS_fputc ; fputc(';', output);
ADD ESP,8
_2_166:
MOV EAX,[_line]
PUSH EAX
MOV EAX,[_listfp]
PUSH EAX
;MOV CL,2
CALL _fputs ; fputs(line, listfp);
ADD ESP,8
_2_164:
_2_163:
XOR EAX,EAX
PUSH EAX
;MOV CL,1
CALL _bump ; bump(0);
;ADD ESP,4
MOV ESP,EBP
POP EBP
RETN
_inbyte:
;PUSH EBP
;MOV EBP,ESP
_2_169:
MOV EAX,[_ch] ; while(ch == 0) {
OR EAX,EAX
JNZ short _2_170
_2_171:
MOV EAX,[_eof] ; if(eof) return 0;
OR EAX,EAX
JZ short _2_172
_2_173:
XOR EAX,EAX ; return(0);
;POP EBP
RETN
_2_172:
;XOR CL,CL
CALL _preprocess ; preprocess();
JMP short _2_169
_2_170:
;XOR CL,CL
CALL _gch ; return gch();
;POP EBP
RETN
_symname: ; symname(sname)
PUSH EBP
MOV EBP,ESP
ADD ESP,-8 ; int k;char c;
;XOR CL,CL
CALL _blanks ; blanks();
MOV EAX,[_ch]
PUSH EAX
;MOV CL,1
CALL _alpha ; if(alpha(ch) == 0)
ADD ESP,4
OR EAX,EAX
JNZ short _2_175 ; false
_2_176: ; return (*sname = 0);
LEA EAX,[EBP+8]
MOV EBX,[EAX]
XOR EAX,EAX
MOV [EBX],AL
;MOV ESP,EBP
;POP EBP
;RETN
JMP short _2_180 ; TRDOS 386 modification
_2_175: ; k = 0;
LEA EBX,[EBP-4]
XOR EAX,EAX
MOV [EBX],EAX
_2_177: ; while(an(ch)) {
MOV EAX,[_ch]
PUSH EAX
;MOV CL,1
CALL _an ; an(ch)
ADD ESP,4
OR EAX,EAX
JZ short _2_178
_2_179:
LEA EBX,[EBP+8]
MOV EAX,[EBX] ; sname[0] address
;PUSH EAX
LEA EBX,[EBP-4]
;MOV EAX,[EBX]
;POP EBX
ADD EAX,[EBX] ; sname[k] address
PUSH EAX
;XOR CL,CL
CALL _gch
POP EBX
MOV [EBX],AL ; sname[k] = gch();
LEA EAX,[EBP-4]
MOV EBX,[EAX]
MOV EAX,8
CALL __lt ; if(k < NAMEMAX) ++k;
OR EAX,EAX
;JZ short _2_180
JZ short _2_177
_2_181:
LEA EBX,[EBP-4] ; k address
;MOV EAX,[EBX]
;INC EAX
;MOV [EBX],EAX
INC DWORD [EBX] ; ++k;
;_2_180:
JMP short _2_177 ; jump to while(an(ch))
_2_178:
LEA EAX,[EBP+8] ; sname[0] address
MOV EBX,[EAX]
;PUSH EBX
;LEA EBX,[EBP-4]
;MOV EAX,[EBX]
;POP EBX
LEA EAX,[EBP-4]
ADD EBX,[EAX] ; sname[k] address
XOR EAX,EAX ; 0
MOV [EBX],AL ; sname[k] = 0;
;MOV EAX,1
INC EAX
_2_180: ; TRDOS 386 modification
MOV ESP,EBP
POP EBP
RETN
_need:
PUSH EBP
MOV EBP,ESP
LEA EBX,[EBP+8] ; str
MOV EAX,[EBX]
PUSH EAX
;MOV CL,1
CALL _match ; if(match(str) == 0)
ADD ESP,4
OR EAX,EAX
JNZ short _2_183
_2_184:
MOV EAX,err_mt ; _2_182+0
PUSH EAX
;MOV CL,1