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iloaders.inc
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// This file is part of Adlib Tracker II (AT2).
//
// AT2 is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// AT2 is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with AT2. If not, see <http://www.gnu.org/licenses/>.
{
procedure import_old_a2m_event1(patt,line,chan: Byte; old_chunk: tOLD_CHUNK;
processing_whole_song: Boolean);
procedure replace_old_adsr(patterns: Byte);
procedure import_old_a2m_patterns1(block: Byte; count: Byte);
procedure import_old_a2m_event2(patt,line,chan: Byte; old_chunk: tOLD_CHUNK);
procedure import_old_a2m_patterns2(block: Byte; count: Byte);
procedure import_old_flags;
procedure import_old_songdata(old_songdata: pOLD_FIXED_SONGDATA);
procedure import_old_instruments(old_songdata: pOLD_FIXED_SONGDATA;
new_songdata: pFIXED_SONGDATA;
instr,count: Byte);
procedure import_single_old_instrument(old_songdata: pOLD_FIXED_SONGDATA;
pos,instr: Byte);
function insert_command(cmd,cmd2: Word; patterns: Byte; chan: Byte; exceptions: tByteSet): Boolean;
procedure a2m_file_loader;
procedure a2t_file_loader;
procedure a2p_file_loader;
function dec2hex(dec: Byte): Byte;
function truncate_string(str: String): String;
procedure amd_file_loader;
procedure import_cff_event(patt,line,chan,byte0,byte1,byte2: Byte);
procedure import_cff_patterns(var data; patterns: Byte);
procedure cff_file_loader;
procedure import_standard_instrument(inst: Byte; var data);
procedure dfm_file_loader;
procedure import_hsc_event(patt,line,chan: Byte; event: Word);
procedure import_hsc_patterns(var data; patterns: Byte);
procedure import_hsc_instrument(inst: Byte; var data);
procedure hsc_file_loader;
procedure mtk_file_loader;
procedure rad_file_loader;
procedure fix_s3m_commands(patterns: Byte);
procedure fix_single_pattern(patt: Byte);
procedure s3m_file_loader;
procedure fix_fmk_commands(patterns: Byte);
procedure import_fin_instrument(inst: Byte; var data);
procedure fmk_file_loader;
procedure import_sat_instrument(inst: Byte; var data);
function import_sat_instrument_name(var data; inst: Byte): String;
procedure sat_file_loader;
function _sal(op1,op2: Word): Byte;
function _sar(op1,op2: Word): Byte;
procedure import_sa2_effect(effect,def1,def2: Byte;
var out1,out2: Byte);
procedure sa2_file_loader;
}
var
adsr_carrier: array[1..9] of Boolean;
procedure import_old_a2m_event1(patt,line,chan: Byte; old_chunk: tOLD_CHUNK;
processing_whole_song: Boolean);
const
fx_Arpeggio = $00;
fx_FSlideUp = $01;
fx_FSlideDown = $02;
fx_FSlideUpFine = $03;
fx_FSlideDownFine = $04;
fx_TonePortamento = $05;
fx_TPortamVolSlide = $06;
fx_Vibrato = $07;
fx_VibratoVolSlide = $08;
fx_SetOpIntensity = $09;
fx_SetInsVolume = $0a;
fx_PatternBreak = $0b;
fx_PatternJump = $0c;
fx_SetTempo = $0d;
fx_SetTimer = $0e;
fx_Extended = $0f;
fx_ex_DefAMdepth = $00;
fx_ex_DefVibDepth = $01;
fx_ex_DefWaveform = $02;
fx_ex_ManSlideUp = $03;
fx_ex_ManSlideDown = $04;
fx_ex_VSlideUp = $05;
fx_ex_VSlideDown = $06;
fx_ex_VSlideUpFine = $07;
fx_ex_VSlideDownFine = $08;
fx_ex_RetrigNote = $09;
fx_ex_SetAttckRate = $0a;
fx_ex_SetDecayRate = $0b;
fx_ex_SetSustnLevel = $0c;
fx_ex_SetReleaseRate = $0d;
fx_ex_SetFeedback = $0e;
fx_ex_ExtendedCmd = $0f;
var
chunk: tCHUNK;
begin
FillChar(chunk,SizeOf(chunk),0);
chunk.note := old_chunk.note;
chunk.instr_def := old_chunk.instr_def;
chunk.effect_def := old_chunk.effect_def;
chunk.effect := old_chunk.effect;
Case old_chunk.effect_def of
fx_Arpeggio: chunk.effect_def := ef_Arpeggio;
fx_FSlideUp: chunk.effect_def := ef_FSlideUp;
fx_FSlideDown: chunk.effect_def := ef_FSlideDown;
fx_FSlideUpFine: chunk.effect_def := ef_FSlideUpFine;
fx_FSlideDownFine: chunk.effect_def := ef_FSlideDownFine;
fx_TonePortamento: chunk.effect_def := ef_TonePortamento;
fx_TPortamVolSlide: chunk.effect_def := ef_TPortamVolSlide;
fx_Vibrato: chunk.effect_def := ef_Vibrato;
fx_VibratoVolSlide: chunk.effect_def := ef_VibratoVolSlide;
fx_SetInsVolume: chunk.effect_def := ef_SetInsVolume;
fx_PatternJump: chunk.effect_def := ef_PositionJump;
fx_PatternBreak: chunk.effect_def := ef_PatternBreak;
fx_SetTempo: chunk.effect_def := ef_SetSpeed;
fx_SetTimer: chunk.effect_def := ef_SetTempo;
fx_SetOpIntensity:
If (old_chunk.effect DIV 16 <> 0) then
begin
chunk.effect_def := ef_SetCarrierVol;
chunk.effect := 3+(old_chunk.effect DIV 16)*4;
end
else If (old_chunk.effect MOD 16 <> 0) then
begin
chunk.effect_def := ef_SetModulatorVol;
chunk.effect := 3+(old_chunk.effect MOD 16)*4;
end
else chunk.effect_def := 0;
fx_Extended:
Case old_chunk.effect DIV 16 of
fx_ex_DefAMdepth:
begin
chunk.effect_def := ef_Extended;
chunk.effect := ef_ex_SetTremDepth*16+old_chunk.effect MOD 16;
end;
fx_ex_DefVibDepth:
begin
chunk.effect_def := ef_Extended;
chunk.effect := ef_ex_SetVibDepth*16+old_chunk.effect MOD 16;
end;
fx_ex_DefWaveform:
begin
chunk.effect_def := ef_SetWaveform;
Case old_chunk.effect MOD 16 of
0..3: chunk.effect := (old_chunk.effect MOD 16)*16+$0f;
4..7: chunk.effect := $0f0+(old_chunk.effect MOD 16)-4;
end;
end;
fx_ex_VSlideUp:
begin
chunk.effect_def := ef_VolSlide;
chunk.effect := (old_chunk.effect MOD 16)*16;
end;
fx_ex_VSlideDown:
begin
chunk.effect_def := ef_VolSlide;
chunk.effect := old_chunk.effect MOD 16;
end;
fx_ex_VSlideUpFine:
begin
chunk.effect_def := ef_VolSlideFine;
chunk.effect := (old_chunk.effect MOD 16)*16;
end;
fx_ex_VSlideDownFine:
begin
chunk.effect_def := ef_VolSlideFine;
chunk.effect := old_chunk.effect MOD 16;
end;
fx_ex_ManSlideUp:
begin
chunk.effect_def := ef_Extended2;
chunk.effect := ef_ex2_FineTuneUp*16+old_chunk.effect MOD 16;
end;
fx_ex_ManSlideDown:
begin
chunk.effect_def := ef_Extended2;
chunk.effect := ef_ex2_FineTuneDown*16+old_chunk.effect MOD 16;
end;
fx_ex_RetrigNote:
begin
chunk.effect_def := ef_RetrigNote;
chunk.effect := SUCC(old_chunk.effect MOD 16);
end;
fx_ex_SetAttckRate:
begin
chunk.effect_def := ef_Extended;
chunk.effect := old_chunk.effect MOD 16;
If NOT adsr_carrier[chan] then
Inc(chunk.effect,ef_ex_SetAttckRateM*16)
else Inc(chunk.effect,ef_ex_SetAttckRateC*16);
end;
fx_ex_SetDecayRate:
begin
chunk.effect_def := ef_Extended;
chunk.effect := old_chunk.effect MOD 16;
If NOT adsr_carrier[chan] then
Inc(chunk.effect,ef_ex_SetDecayRateM*16)
else Inc(chunk.effect,ef_ex_SetDecayRateC*16);
end;
fx_ex_SetSustnLevel:
begin
chunk.effect_def := ef_Extended;
chunk.effect := old_chunk.effect MOD 16;
If NOT adsr_carrier[chan] then
Inc(chunk.effect,ef_ex_SetSustnLevelM*16)
else Inc(chunk.effect,ef_ex_SetSustnLevelC*16);
end;
fx_ex_SetReleaseRate:
begin
chunk.effect_def := ef_Extended;
chunk.effect := old_chunk.effect MOD 16;
If NOT adsr_carrier[chan] then
Inc(chunk.effect,ef_ex_SetRelRateM*16)
else Inc(chunk.effect,ef_ex_SetRelRateC*16);
end;
fx_ex_SetFeedback:
begin
chunk.effect_def := ef_Extended;
chunk.effect := ef_ex_SetFeedback*16+old_chunk.effect MOD 16;
end;
fx_ex_ExtendedCmd:
If (old_chunk.effect MOD 16 in [0..9]) then
begin
chunk.effect_def := ef_Extended;
chunk.effect := ef_ex_ExtendedCmd2*16;
Case old_chunk.effect MOD 16 of
0: Inc(chunk.effect,ef_ex_cmd2_RSS);
1: Inc(chunk.effect,ef_ex_cmd2_LockVol);
2: Inc(chunk.effect,ef_ex_cmd2_UnlockVol);
3: Inc(chunk.effect,ef_ex_cmd2_LockVP);
4: Inc(chunk.effect,ef_ex_cmd2_UnlockVP);
5: begin
If processing_whole_song then chunk.effect_def := 255
else chunk.effect_def := 0;
chunk.effect := 0;
adsr_carrier[chan] := TRUE;
end;
6: begin
If processing_whole_song then chunk.effect_def := 255
else chunk.effect_def := 0;
If processing_whole_song then chunk.effect := 1
else chunk.effect := 0;
adsr_carrier[chan] := FALSE;
end;
7: Inc(chunk.effect,ef_ex_cmd2_VSlide_car);
8: Inc(chunk.effect,ef_ex_cmd2_VSlide_mod);
9: Inc(chunk.effect,ef_ex_cmd2_VSlide_def);
end;
end
else begin
chunk.effect_def := 0;
chunk.effect := 0;
end;
end;
end;
put_chunk(patt,line,chan,chunk);
end;
procedure replace_old_adsr(patterns: Byte);
var
chunk,chunk2: tCHUNK;
temp2,temp3: Byte;
patt_break: Byte;
order,patt: Byte;
patts: String;
begin
patts := '';
FillChar(adsr_carrier,SizeOf(adsr_carrier),0);
order := 0; patt := BYTE_NULL;
Repeat
If (songdata.pattern_order[order] >= $80) then Inc(order)
else
begin
patt := songdata.pattern_order[order];
patt_break := BYTE_NULL;
For temp2 := 0 to $3f do
For temp3 := 1 to 9 do
begin
get_chunk(patt,temp2,temp3,chunk);
chunk2 := chunk;
If (chunk.effect_def in [ef_PositionJump,ef_PatternBreak]) then
patt_break := temp2;
If (chunk.effect_def in [$ff,ef_Extended]) then
begin
If (chunk.effect_def = $ff) then
begin
chunk2.effect_def := 0;
chunk2.effect := 0;
If (temp2 <= patt_break) then
Case chunk.effect of
0: adsr_carrier[temp3] := TRUE;
1: adsr_carrier[temp3] := FALSE;
end;
end;
If (chunk.effect_def = ef_Extended) then
Case chunk.effect DIV 16 of
ef_ex_SetAttckRateM,
ef_ex_SetAttckRateC:
If adsr_carrier[temp3] then
chunk2.effect := ef_ex_SetAttckRateC*16+chunk.effect MOD 16
else chunk2.effect := ef_ex_SetAttckRateM*16+chunk.effect MOD 16;
ef_ex_SetDecayRateM,
ef_ex_SetDecayRateC:
If adsr_carrier[temp3] then
chunk2.effect := ef_ex_SetDecayRateC*16+chunk.effect MOD 16
else chunk2.effect := ef_ex_SetDecayRateM*16+chunk.effect MOD 16;
ef_ex_SetSustnLevelM,
ef_ex_SetSustnLevelC:
If adsr_carrier[temp3] then
chunk2.effect := ef_ex_SetSustnLevelC*16+chunk.effect MOD 16
else chunk2.effect := ef_ex_SetSustnLevelM*16+chunk.effect MOD 16;
ef_ex_SetRelRateM,
ef_ex_SetRelRateC:
If adsr_carrier[temp3] then
chunk2.effect := ef_ex_SetRelRateC*16+chunk.effect MOD 16
else chunk2.effect := ef_ex_SetRelRateM*16+chunk.effect MOD 16;
end;
If (Pos(CHR(songdata.pattern_order[order]),patts) = 0) then
If (chunk.effect_def <> chunk2.effect_def) or
(chunk.effect <> chunk2.effect) then
put_chunk(patt,temp2,temp3,chunk2);
end;
end;
Inc(order);
patts := patts+CHR(patt);
end;
until (patt >= patterns) or (order > $7f);
end;
procedure import_old_a2m_patterns1(block: Byte; count: Byte);
procedure get_old_chunk(pattern,line,channel: Byte; var chunk: tOLD_CHUNK);
begin chunk := old_hash_buffer[pattern][line][channel]; end;
var
patt,line,chan: Byte;
chunk: tOLD_CHUNK;
begin { import_old_a2m_patterns1 }
For patt := 0 to max(PRED(count),15) do
For line := 0 to $3f do
For chan := 1 to 9 do
begin
get_old_chunk(patt,line,chan,chunk);
import_old_a2m_event1(block*16+patt,line,chan,chunk,TRUE);
end;
end;
procedure import_old_a2m_event2(patt,line,chan: Byte; old_chunk: tOLD_CHUNK);
const
ef_ManualFSlide = 22;
var
chunk: tCHUNK;
begin
FillChar(chunk,SizeOf(chunk),0);
chunk.note := old_chunk.note;
chunk.instr_def := old_chunk.instr_def;
If (old_chunk.effect_def <> ef_ManualFSlide) then
begin
chunk.effect_def := old_chunk.effect_def;
chunk.effect := old_chunk.effect;
end
else If (old_chunk.effect DIV 16 <> 0) then
begin
chunk.effect_def := ef_Extended2;
chunk.effect := ef_ex2_FineTuneUp*16+old_chunk.effect DIV 16;
end
else begin
chunk.effect_def := ef_Extended2;
chunk.effect := ef_ex2_FineTuneDown*16+old_chunk.effect MOD 16;
end;
put_chunk(patt,line,chan,chunk);
end;
procedure import_old_a2m_patterns2(block: Byte; count: Byte);
procedure get_old_chunk(pattern,line,channel: Byte; var chunk: tOLD_CHUNK);
begin chunk := hash_buffer[pattern][channel][line]; end;
var
patt,line,chan: Byte;
chunk: tOLD_CHUNK;
begin { import_old_a2m_patterns2 }
For patt := 0 to max(PRED(count),7) do
For line := 0 to $3f do
For chan := 1 to 18 do
begin
get_old_chunk(patt,line,chan,chunk);
import_old_a2m_event2(block*8+patt,line,chan,chunk);
end;
end;
procedure import_old_flags;
var
temp: Byte;
begin
If (songdata.common_flag OR 2 = songdata.common_flag) then
For temp := 1 to 20 do
songdata.lock_flags[temp] := songdata.lock_flags[temp] OR $10;
If (songdata.common_flag OR 4 = songdata.common_flag) then
For temp := 1 to 20 do
songdata.lock_flags[temp] := songdata.lock_flags[temp] OR $20;
If (songdata.common_flag OR $20 = songdata.common_flag) then
For temp := 1 to 20 do
songdata.lock_flags[temp] := songdata.lock_flags[temp] AND NOT 3;
end;
procedure import_old_songdata(old_songdata: pOLD_FIXED_SONGDATA);
var
temp: Byte;
begin
songdata.songname := old_songdata^.songname;
songdata.composer := old_songdata^.composer;
For temp := 1 to 250 do
begin
songdata.instr_names[temp] := old_songdata^.instr_names[temp];
songdata.instr_data[temp].fm_data := old_songdata^.instr_data[temp].fm_data;
songdata.instr_data[temp].panning := old_songdata^.instr_data[temp].panning;
songdata.instr_data[temp].fine_tune := old_songdata^.instr_data[temp].fine_tune;
songdata.instr_data[temp].perc_voice := 0;
end;
Move(old_songdata^.pattern_order,
songdata.pattern_order,
SizeOf(old_songdata^.pattern_order));
songdata.tempo := old_songdata^.tempo;
songdata.speed := old_songdata^.speed;
songdata.common_flag := old_songdata^.common_flag;
import_old_flags;
end;
{@ADT2PLAY_COMPILER_DIRECTIVE:SKIP_BEGIN}
procedure import_single_old_instrument(old_songdata: pOLD_FIXED_SONGDATA;
pos,instr: Byte);
begin
songdata.instr_names[pos] := Copy(songdata.instr_names[pos],1,9)+
Copy(old_songdata^.instr_names[instr],10,22);
songdata.instr_data[pos].fm_data := old_songdata^.instr_data[instr].fm_data;
songdata.instr_data[pos].panning := old_songdata^.instr_data[instr].panning;
songdata.instr_data[pos].fine_tune := old_songdata^.instr_data[instr].fine_tune;
songdata.instr_data[pos].perc_voice := 0;
end;
{@ADT2PLAY_COMPILER_DIRECTIVE:SKIP_END}
function insert_command(cmd,cmd2: Word; patterns: Byte; chan: Byte; exceptions: tByteSet): Boolean;
var
chunk: tCHUNK;
temp2,temp3: Byte;
patt_break: Byte;
order,patt: Byte;
patts: String;
begin
patts := '';
order := 0;
patt := BYTE_NULL;
insert_command := FALSE;
Repeat
If (Pos(CHR(songdata.pattern_order[order]),patts) <> 0) or
(songdata.pattern_order[order] >= $80) then Inc(order)
else
begin
patt := songdata.pattern_order[order];
patt_break := songdata.patt_len;
For temp3 := 1 to songdata.nm_tracks do
For temp2 := 0 to PRED(songdata.patt_len) do
begin
get_chunk(patt,temp2,temp3,chunk);
If (chunk.effect_def in [ef_PositionJump,ef_PatternBreak]) or
(chunk.effect_def2 in [ef_PositionJump,ef_PatternBreak]) then
patt_break := temp2;
If (temp3 = chan) and (temp2 <= patt_break) then
If (cmd2 = 0) then
If (chunk.effect_def+chunk.effect = 0) or
(chunk.effect_def SHL 8 + chunk.effect = cmd) or
(chunk.effect_def in exceptions) then
begin
chunk.effect_def := HI(cmd);
chunk.effect := LO(cmd);
put_chunk(patt,temp2,temp3,chunk);
insert_command := TRUE;
EXIT;
end
else If (chunk.effect_def2+chunk.effect2 = 0) or
(chunk.effect_def2 SHL 8 + chunk.effect2 = cmd2) or
(chunk.effect_def2 in exceptions) then
begin
chunk.effect_def2 := HI(cmd);
chunk.effect2 := LO(cmd);
put_chunk(patt,temp2,temp3,chunk);
insert_command := TRUE;
EXIT;
end
else
else If ((chunk.effect_def+chunk.effect = 0) or
(chunk.effect_def SHL 8 + chunk.effect = cmd) or
(chunk.effect_def in exceptions)) and
((chunk.effect_def2+chunk.effect2 = 0) or
(chunk.effect_def2 SHL 8 + chunk.effect2 = cmd2) or
(chunk.effect_def2 in exceptions)) then
begin
chunk.effect_def := HI(cmd);
chunk.effect := LO(cmd);
chunk.effect_def2 := HI(cmd2);
chunk.effect2 := LO(cmd2);
put_chunk(patt,temp2,temp3,chunk);
insert_command := TRUE;
EXIT;
end;
end;
Inc(order);
patts := patts+CHR(patt);
end;
until (patt >= patterns) or (order > $7f);
end;
procedure a2m_file_loader;
type
tOLD_HEADER = Record
ident: array[1..10] of Char;
crc32: Longint;
ffver: Byte;
patts: Byte;
b0len: Word;
b1len: Word;
b2len: Word;
b3len: Word;
b4len: Word;
b5len: Word;
b6len: Word;
b7len: Word;
b8len: Word;
end;
type
tHEADER = Record
ident: array[1..10] of Char;
crc32: Longint;
ffver: Byte;
patts: Byte;
b0len: Longint;
b1len: array[0..15] of Longint;
end;
const
id = '_A2module_';
const
old_a2m_header_size = 26;
var
f: File;
header: tHEADER;
header2: tOLD_HEADER;
temp,temp2: Longint;
crc: Longint;
xlen: array[0..6] of Word;
begin
{@ADT2PLAY_COMPILER_DIRECTIVE:SKIP_BEGIN}
{$IFDEF GO32V2}
_last_debug_str_ := _debug_str_;
_debug_str_ := 'ILOADERS.INC:a2m_file_loader';
{$ENDIF}
{@ADT2PLAY_COMPILER_DIRECTIVE:SKIP_END}
{$i-}
Assign(f,songdata_source);
ResetF(f);
{$i+}
If (IOresult <> 0) then
begin
CloseF(f);
{@ADT2PLAY_COMPILER_DIRECTIVE:SKIP_BEGIN}
Dialog('ERROR READiNG DATA - DiSK ERROR?$'+
'LOADiNG STOPPED$',
'~O~KAY$',' A2M LOADER ',1);
{@ADT2PLAY_COMPILER_DIRECTIVE:SKIP_END}
EXIT;
end;
FillChar(buf1,SizeOf(buf1),0);
BlockReadF(f,header,SizeOf(header),temp);
If NOT ((temp = SizeOf(header)) and (header.ident = id)) then
begin
CloseF(f);
{@ADT2PLAY_COMPILER_DIRECTIVE:SKIP_BEGIN}
Dialog('ERROR READiNG DATA - FiLE CORRUPTED$'+
'LOADiNG STOPPED$',
'~O~KAY$',' A2M LOADER ',1);
{@ADT2PLAY_COMPILER_DIRECTIVE:SKIP_END}
EXIT;
end;
{@ADT2PLAY_COMPILER_DIRECTIVE:INSERT> load_flag := $7f;}
If NOT (header.ffver in [1..FFVER_A2M]) then
begin
CloseF(f);
{@ADT2PLAY_COMPILER_DIRECTIVE:SKIP_BEGIN}
Dialog('UNKNOWN FiLE FORMAT VERSiON$'+
'LOADiNG STOPPED$',
'~O~KAY$',' A2M LOADER ',1);
{@ADT2PLAY_COMPILER_DIRECTIVE:SKIP_END}
EXIT;
end;
{@ADT2PLAY_COMPILER_DIRECTIVE:SKIP_BEGIN}
If (play_status <> isStopped) then
begin
fade_out_playback(FALSE);
stop_playing;
end;
{@ADT2PLAY_COMPILER_DIRECTIVE:SKIP_END}
init_old_songdata;
If (header.ffver in [1..4]) then
begin
FillChar(adsr_carrier,SizeOf(adsr_carrier),BYTE(FALSE));
ResetF(f);
BlockReadF(f,header2,SizeOf(header2),temp);
If NOT ((temp = SizeOf(header2)) and (header2.ident = id)) then
begin
CloseF(f);
{@ADT2PLAY_COMPILER_DIRECTIVE:SKIP_BEGIN}
Dialog('ERROR READiNG DATA - FiLE CORRUPTED$'+
'LOADiNG STOPPED$',
'~O~KAY$',' A2M LOADER ',1);
{@ADT2PLAY_COMPILER_DIRECTIVE:SKIP_END}
EXIT;
end;
xlen[0] := header2.b2len;
xlen[1] := header2.b3len;
xlen[2] := header2.b4len;
SeekF(f,old_a2m_header_size);
If (IOresult <> 0) then
begin
CloseF(f);
{@ADT2PLAY_COMPILER_DIRECTIVE:SKIP_BEGIN}
Dialog('ERROR READiNG DATA - FiLE CORRUPTED$'+
'LOADiNG STOPPED$',
'~O~KAY$',' A2M LOADER ',1);
{@ADT2PLAY_COMPILER_DIRECTIVE:SKIP_END}
EXIT;
end;
crc := DWORD_NULL;
BlockReadF(f,buf1,header2.b0len,temp);
If NOT (temp = header2.b0len) then
begin
CloseF(f);
{@ADT2PLAY_COMPILER_DIRECTIVE:SKIP_BEGIN}
Dialog('ERROR READiNG DATA - FiLE CORRUPTED$'+
'LOADiNG STOPPED$',
'~O~KAY$',' A2M LOADER ',1);
{@ADT2PLAY_COMPILER_DIRECTIVE:SKIP_END}
EXIT;
end;
crc := Update32(buf1,temp,crc);
BlockReadF(f,buf1,header2.b1len,temp);
If NOT (temp = header2.b1len) then
begin
CloseF(f);
{@ADT2PLAY_COMPILER_DIRECTIVE:SKIP_BEGIN}
Dialog('ERROR READiNG DATA - FiLE CORRUPTED$'+
'LOADiNG STOPPED$',
'~O~KAY$',' A2M LOADER ',1);
{@ADT2PLAY_COMPILER_DIRECTIVE:SKIP_END}
EXIT;
end;
crc := Update32(buf1,temp,crc);
For temp2 := 0 to 2 do
If ((header2.patts-1) DIV 16 > temp2) then
begin
BlockReadF(f,buf1,xlen[temp2],temp);
If NOT (temp = xlen[temp2]) then
begin
CloseF(f);
{@ADT2PLAY_COMPILER_DIRECTIVE:SKIP_BEGIN}
Dialog('ERROR READiNG DATA - FiLE CORRUPTED$'+
'LOADiNG STOPPED$',
'~O~KAY$',' A2M LOADER ',1);
{@ADT2PLAY_COMPILER_DIRECTIVE:SKIP_END}
EXIT;
end;
crc := Update32(buf1,temp,crc);
end;
crc := Update32(header2.b0len,2,crc);
crc := Update32(header2.b1len,2,crc);
For temp2 := 0 to 2 do
crc := Update32(xlen[temp2],2,crc);
If (crc <> header2.crc32) then
begin
CloseF(f);
{@ADT2PLAY_COMPILER_DIRECTIVE:SKIP_BEGIN}
Dialog('CRC FAiLED - FiLE CORRUPTED$'+
'LOADiNG STOPPED$',
'~O~KAY$',' A2M LOADER ',1);
{@ADT2PLAY_COMPILER_DIRECTIVE:SKIP_END}
EXIT;
end;
init_songdata;
load_flag := 0;
songdata.patt_len := 64;
If adjust_tracks then songdata.nm_tracks := 9
else If (songdata.nm_tracks < 9) then songdata.nm_tracks := 9;
SeekF(f,old_a2m_header_size);
If (IOresult <> 0) then
begin
CloseF(f);
{@ADT2PLAY_COMPILER_DIRECTIVE:SKIP_BEGIN}
Dialog('ERROR READiNG DATA - FiLE CORRUPTED$'+
'LOADiNG STOPPED$',
'~O~KAY$',' A2M LOADER ',1);
{@ADT2PLAY_COMPILER_DIRECTIVE:SKIP_END}
EXIT;
end;
BlockReadF(f,buf1,header2.b0len,temp);
If NOT (temp = header2.b0len) then
begin
CloseF(f);
{@ADT2PLAY_COMPILER_DIRECTIVE:SKIP_BEGIN}
Dialog('ERROR READiNG DATA - FiLE CORRUPTED$'+
'LOADiNG STOPPED$',
'~O~KAY$',' A2M LOADER ',1);
{@ADT2PLAY_COMPILER_DIRECTIVE:SKIP_END}
EXIT;
end;
Case header2.ffver of
4: Move(buf1,old_songdata,header2.b0len);
3: LZSS_decompress(buf1,old_songdata,header2.b0len);
2: LZW_decompress(buf1,old_songdata);
1: SIXPACK_decompress(buf1,old_songdata,header2.b0len);
end;
For temp := 1 to 250 do
old_songdata.instr_data[temp].panning := 0;
BlockReadF(f,buf1,header2.b1len,temp);
If NOT (temp = header2.b1len) then
begin
CloseF(f);
{@ADT2PLAY_COMPILER_DIRECTIVE:SKIP_BEGIN}
Dialog('ERROR READiNG DATA - FiLE CORRUPTED$'+
'LOADiNG STOPPED$',
'~O~KAY$',' A2M LOADER ',1);
{@ADT2PLAY_COMPILER_DIRECTIVE:SKIP_END}
EXIT;
end;
Case header2.ffver of
4: Move(buf1,old_hash_buffer,header2.b1len);
3: LZSS_decompress(buf1,old_hash_buffer,header2.b1len);
2: LZW_decompress(buf1,old_hash_buffer);
1: SIXPACK_decompress(buf1,old_hash_buffer,header2.b1len);
end;
import_old_a2m_patterns1(0,16);
For temp2 := 0 to 2 do
If ((header2.patts-1) DIV 16 > temp2) then
begin
BlockReadF(f,buf1,xlen[temp2],temp);
If NOT (temp = xlen[temp2]) then
begin
CloseF(f);
{@ADT2PLAY_COMPILER_DIRECTIVE:SKIP_BEGIN}
Dialog('ERROR READiNG DATA - FiLE CORRUPTED$'+
'LOADiNG STOPPED$',
'~O~KAY$',' A2M LOADER ',1);
{@ADT2PLAY_COMPILER_DIRECTIVE:SKIP_END}
EXIT;
end;
Case header2.ffver of
4: Move(buf1,old_hash_buffer,xlen[temp2]);
3: LZSS_decompress(buf1,old_hash_buffer,xlen[temp2]);
2: LZW_decompress(buf1,old_hash_buffer);
1: SIXPACK_decompress(buf1,old_hash_buffer,xlen[temp2]);
end;
import_old_a2m_patterns1(SUCC(temp2),16);
end;
replace_old_adsr(header2.patts);
import_old_songdata(Addr(old_songdata));
end;
If (header.ffver in [5..8]) then
begin
ResetF(f);
BlockReadF(f,header2,SizeOf(header2),temp);
If NOT ((temp = SizeOf(header2)) and (header2.ident = id)) then
begin
CloseF(f);
{@ADT2PLAY_COMPILER_DIRECTIVE:SKIP_BEGIN}
Dialog('ERROR READiNG DATA - FiLE CORRUPTED$'+
'LOADiNG STOPPED$',
'~O~KAY$',' A2M LOADER ',1);
{@ADT2PLAY_COMPILER_DIRECTIVE:SKIP_END}
EXIT;
end;
xlen[0] := header2.b2len;
xlen[1] := header2.b3len;
xlen[2] := header2.b4len;
xlen[3] := header2.b5len;
xlen[4] := header2.b6len;
xlen[5] := header2.b7len;
xlen[6] := header2.b8len;
crc := DWORD_NULL;
BlockReadF(f,buf1,header2.b0len,temp);
If NOT (temp = header2.b0len) then
begin
CloseF(f);
{@ADT2PLAY_COMPILER_DIRECTIVE:SKIP_BEGIN}
Dialog('ERROR READiNG DATA - FiLE CORRUPTED$'+
'LOADiNG STOPPED$',
'~O~KAY$',' A2M LOADER ',1);
{@ADT2PLAY_COMPILER_DIRECTIVE:SKIP_END}
EXIT;
end;
crc := Update32(buf1,temp,crc);
BlockReadF(f,buf1,header2.b1len,temp);
If NOT (temp = header2.b1len) then
begin
CloseF(f);
{@ADT2PLAY_COMPILER_DIRECTIVE:SKIP_BEGIN}
Dialog('ERROR READiNG DATA - FiLE CORRUPTED$'+
'LOADiNG STOPPED$',
'~O~KAY$',' A2M LOADER ',1);
{@ADT2PLAY_COMPILER_DIRECTIVE:SKIP_END}
EXIT;
end;
crc := Update32(buf1,temp,crc);
For temp2 := 0 to 6 do
If ((header2.patts-1) DIV 8 > temp2) then
begin
BlockReadF(f,buf1,xlen[temp2],temp);
If NOT (temp = xlen[temp2]) then
begin
CloseF(f);
{@ADT2PLAY_COMPILER_DIRECTIVE:SKIP_BEGIN}
Dialog('ERROR READiNG DATA - FiLE CORRUPTED$'+
'LOADiNG STOPPED$',
'~O~KAY$',' A2M LOADER ',1);
{@ADT2PLAY_COMPILER_DIRECTIVE:SKIP_END}
EXIT;
end;
crc := Update32(buf1,temp,crc);
end;
crc := Update32(header2.b0len,2,crc);
crc := Update32(header2.b1len,2,crc);
For temp2 := 0 to 6 do
crc := Update32(xlen[temp2],2,crc);
If (crc <> header2.crc32) then
begin
CloseF(f);
{@ADT2PLAY_COMPILER_DIRECTIVE:SKIP_BEGIN}
Dialog('CRC FAiLED - FiLE CORRUPTED$'+
'LOADiNG STOPPED$',
'~O~KAY$',' A2M LOADER ',1);
{@ADT2PLAY_COMPILER_DIRECTIVE:SKIP_END}
EXIT;
end;
init_songdata;
load_flag := 0;
songdata.patt_len := 64;
If adjust_tracks then songdata.nm_tracks := 18
else If (songdata.nm_tracks < 18) then songdata.nm_tracks := 18;
SeekF(f,SizeOf(header2));
If (IOresult <> 0) then
begin
CloseF(f);
{@ADT2PLAY_COMPILER_DIRECTIVE:SKIP_BEGIN}
Dialog('ERROR READiNG DATA - FiLE CORRUPTED$'+
'LOADiNG STOPPED$',
'~O~KAY$',' A2M LOADER ',1);
{@ADT2PLAY_COMPILER_DIRECTIVE:SKIP_END}
EXIT;
end;
BlockReadF(f,buf1,header2.b0len,temp);
If NOT (temp = header2.b0len) then
begin
CloseF(f);
{@ADT2PLAY_COMPILER_DIRECTIVE:SKIP_BEGIN}
Dialog('ERROR READiNG DATA - FiLE CORRUPTED$'+
'LOADiNG STOPPED$',
'~O~KAY$',' A2M LOADER ',1);
{@ADT2PLAY_COMPILER_DIRECTIVE:SKIP_END}
EXIT;
end;
Case header2.ffver of
8: Move(buf1,old_songdata,header2.b0len);
7: LZSS_decompress(buf1,old_songdata,header2.b0len);
6: LZW_decompress(buf1,old_songdata);
5: SIXPACK_decompress(buf1,old_songdata,header2.b0len);
end;
BlockReadF(f,buf1,header2.b1len,temp);
If NOT (temp = header2.b1len) then
begin
CloseF(f);
{@ADT2PLAY_COMPILER_DIRECTIVE:SKIP_BEGIN}
Dialog('ERROR READiNG DATA - FiLE CORRUPTED$'+
'LOADiNG STOPPED$',
'~O~KAY$',' A2M LOADER ',1);
{@ADT2PLAY_COMPILER_DIRECTIVE:SKIP_END}
EXIT;
end;
Case header2.ffver of
8: Move(buf1,hash_buffer,header2.b1len);
7: LZSS_decompress(buf1,hash_buffer,header2.b1len);
6: LZW_decompress(buf1,hash_buffer);
5: SIXPACK_decompress(buf1,hash_buffer,header2.b1len);
end;
import_old_a2m_patterns2(0,8);