; arctan tables, 2048 entries. 0-128 degrees
; to use, (for angles 0-90):

negtan:
dw 000h,001h,002h,003h,005h,006h,007h,008h
dw 00Ah,00Bh,00Ch,00Eh,00Fh,010h,011h,013h
dw 014h,015h,016h,018h,019h,01Ah,01Ch,01Dh
dw 01Eh,01Fh,021h,022h,023h,024h,026h,027h
dw 028h,02Ah,02Bh,02Ch,02Dh,02Fh,030h,031h
dw 032h,034h,035h,036h,038h,039h,03Ah,03Bh
dw 03Dh,03Eh,03Fh,040h,042h,043h,044h,046h
dw 047h,048h,049h,04Bh,04Ch,04Dh,04Eh,050h
dw 051h,052h,054h,055h,056h,057h,059h,05Ah
dw 05Bh,05Ch,05Eh,05Fh,060h,061h,063h,064h
dw 065h,067h,068h,069h,06Ah,06Ch,06Dh,06Eh
dw 06Fh,071h,072h,073h,075h,076h,077h,078h
dw 07Ah,07Bh,07Ch,07Dh,07Fh,080h,081h,083h
dw 084h,085h,086h,088h,089h,08Ah,08Bh,08Dh
dw 08Eh,08Fh,090h,092h,093h,094h,096h,097h
dw 098h,099h,09Bh,09Ch,09Dh,09Eh,0A0h,0A1h
dw 0A2h,0A4h,0A5h,0A6h,0A7h,0A9h,0AAh,0ABh
dw 0ACh,0AEh,0AFh,0B0h,0B1h,0B3h,0B4h,0B5h
dw 0B7h,0B8h,0B9h,0BAh,0BCh,0BDh,0BEh,0BFh
dw 0C1h,0C2h,0C3h,0C4h,0C6h,0C7h,0C8h,0CAh
dw 0CBh,0CCh,0CDh,0CFh,0D0h,0D1h,0D2h,0D4h
dw 0D5h,0D6h,0D7h,0D9h,0DAh,0DBh,0DDh,0DEh
dw 0DFh,0E0h,0E2h,0E3h,0E4h,0E5h,0E7h,0E8h
dw 0E9h,0EAh,0ECh,0EDh,0EEh,0EFh,0F1h,0F2h
dw 0F3h,0F5h,0F6h,0F7h,0F8h,0FAh,0FBh,0FCh
dw 0FDh,0FFh,100h,101h,102h,104h,105h,106h
dw 107h,109h,10Ah,10Bh,10Ch,10Eh,10Fh,110h
dw 112h,113h,114h,115h,117h,118h,119h,11Ah
dw 11Ch,11Dh,11Eh,11Fh,121h,122h,123h,124h
dw 126h,127h,128h,129h,12Bh,12Ch,12Dh,12Eh
dw 130h,131h,132h,133h,135h,136h,137h,138h
dw 13Ah,13Bh,13Ch,13Dh,13Fh,140h,141h,143h
dw 144h,145h,146h,148h,149h,14Ah,14Bh,14Dh
dw 14Eh,14Fh,150h,152h,153h,154h,155h,157h
dw 158h,159h,15Ah,15Ch,15Dh,15Eh,15Fh,161h
dw 162h,163h,164h,166h,167h,168h,169h,16Bh
dw 16Ch,16Dh,16Eh,170h,171h,172h,173h,175h
dw 176h,177h,178h,17Ah,17Bh,17Ch,17Dh,17Fh
dw 180h,181h,182h,183h,185h,186h,187h,188h
dw 18Ah,18Bh,18Ch,18Dh,18Fh,190h,191h,192h
dw 194h,195h,196h,197h,199h,19Ah,19Bh,19Ch
dw 19Eh,19Fh,1A0h,1A1h,1A3h,1A4h,1A5h,1A6h
dw 1A8h,1A9h,1AAh,1ABh,1ACh,1AEh,1AFh,1B0h
dw 1B1h,1B3h,1B4h,1B5h,1B6h,1B8h,1B9h,1BAh
dw 1BBh,1BDh,1BEh,1BFh,1C0h,1C2h,1C3h,1C4h
dw 1C5h,1C6h,1C8h,1C9h,1CAh,1CBh,1CDh,1CEh
dw 1CFh,1D0h,1D2h,1D3h,1D4h,1D5h,1D7h,1D8h
dw 1D9h,1DAh,1DBh,1DDh,1DEh,1DFh,1E0h,1E2h
dw 1E3h,1E4h,1E5h,1E7h,1E8h,1E9h,1EAh,1EBh
dw 1EDh,1EEh,1EFh,1F0h,1F2h,1F3h,1F4h,1F5h
dw 1F6h,1F8h,1F9h,1FAh,1FBh,1FDh,1FEh,1FFh
dw 200h,201h,203h,204h,205h,206h,208h,209h
dw 20Ah,20Bh,20Dh,20Eh,20Fh,210h,211h,213h
dw 214h,215h,216h,217h,219h,21Ah,21Bh,21Ch
dw 21Eh,21Fh,220h,221h,222h,224h,225h,226h
dw 227h,229h,22Ah,22Bh,22Ch,22Dh,22Fh,230h
dw 231h,232h,233h,235h,236h,237h,238h,23Ah
dw 23Bh,23Ch,23Dh,23Eh,240h,241h,242h,243h
dw 244h,246h,247h,248h,249h,24Bh,24Ch,24Dh
dw 24Eh,24Fh,251h,252h,253h,254h,255h,257h
dw 258h,259h,25Ah,25Bh,25Dh,25Eh,25Fh,260h
dw 261h,263h,264h,265h,266h,267h,269h,26Ah
dw 26Bh,26Ch,26Eh,26Fh,270h,271h,272h,274h
dw 275h,276h,277h,278h,27Ah,27Bh,27Ch,27Dh
dw 27Eh,280h,281h,282h,283h,284h,285h,287h
dw 288h,289h,28Ah,28Bh,28Dh,28Eh,28Fh,290h
dw 291h,293h,294h,295h,296h,297h,299h,29Ah
dw 29Bh,29Ch,29Dh,29Fh,2A0h,2A1h,2A2h,2A3h
dw 2A5h,2A6h,2A7h,2A8h,2A9h,2AAh,2ACh,2ADh
dw 2AEh,2AFh,2B0h,2B2h,2B3h,2B4h,2B5h,2B6h
dw 2B8h,2B9h,2BAh,2BBh,2BCh,2BDh,2BFh,2C0h
dw 2C1h,2C2h,2C3h,2C5h,2C6h,2C7h,2C8h,2C9h
dw 2CAh,2CCh,2CDh,2CEh,2CFh,2D0h,2D1h,2D3h
dw 2D4h,2D5h,2D6h,2D7h,2D9h,2DAh,2DBh,2DCh
dw 2DDh,2DEh,2E0h,2E1h,2E2h,2E3h,2E4h,2E5h
dw 2E7h,2E8h,2E9h,2EAh,2EBh,2EDh,2EEh,2EFh
dw 2F0h,2F1h,2F2h,2F4h,2F5h,2F6h,2F7h,2F8h
dw 2F9h,2FBh,2FCh,2FDh,2FEh,2FFh,300h,302h
dw 303h,304h,305h,306h,307h,309h,30Ah,30Bh
dw 30Ch,30Dh,30Eh,30Fh,311h,312h,313h,314h
dw 315h,316h,318h,319h,31Ah,31Bh,31Ch,31Dh
dw 31Fh,320h,321h,322h,323h,324h,326h,327h
dw 328h,329h,32Ah,32Bh,32Ch,32Eh,32Fh,330h
dw 331h,332h,333h,335h,336h,337h,338h,339h
dw 33Ah,33Bh,33Dh,33Eh,33Fh,340h,341h,342h
dw 343h,345h,346h,347h,348h,349h,34Ah,34Bh
dw 34Dh,34Eh,34Fh,350h,351h,352h,353h,355h
dw 356h,357h,358h,359h,35Ah,35Bh,35Dh,35Eh
dw 35Fh,360h,361h,362h,363h,365h,366h,367h
dw 368h,369h,36Ah,36Bh,36Dh,36Eh,36Fh,370h
dw 371h,372h,373h,374h,376h,377h,378h,379h
dw 37Ah,37Bh,37Ch,37Dh,37Fh,380h,381h,382h
dw 383h,384h,385h,387h,388h,389h,38Ah,38Bh
dw 38Ch,38Dh,38Eh,390h,391h,392h,393h,394h
dw 395h,396h,397h,398h,39Ah,39Bh,39Ch,39Dh
dw 39Eh,39Fh,3A0h,3A1h,3A3h,3A4h,3A5h,3A6h
dw 3A7h,3A8h,3A9h,3AAh,3ABh,3ADh,3AEh,3AFh
dw 3B0h,3B1h,3B2h,3B3h,3B4h,3B6h,3B7h,3B8h
dw 3B9h,3BAh,3BBh,3BCh,3BDh,3BEh,3BFh,3C1h
dw 3C2h,3C3h,3C4h,3C5h,3C6h,3C7h,3C8h,3C9h
dw 3CBh,3CCh,3CDh,3CEh,3CFh,3D0h,3D1h,3D2h
dw 3D3h,3D4h,3D6h,3D7h,3D8h,3D9h,3DAh,3DBh
dw 3DCh,3DDh,3DEh,3DFh,3E1h,3E2h,3E3h,3E4h
dw 3E5h,3E6h,3E7h,3E8h,3E9h,3EAh,3ECh,3EDh
dw 3EEh,3EFh,3F0h,3F1h,3F2h,3F3h,3F4h,3F5h
dw 3F6h,3F8h,3F9h,3FAh,3FBh,3FCh,3FDh,3FEh
dw 3FFh,400h,401h,402h,404h,405h,406h,407h
dw 408h,409h,40Ah,40Bh,40Ch,40Dh,40Eh,40Fh
dw 411h,412h,413h,414h,415h,416h,417h,418h
dw 419h,41Ah,41Bh,41Ch,41Dh,41Fh,420h,421h
dw 422h,423h,424h,425h,426h,427h,428h,429h
dw 42Ah,42Bh,42Ch,42Eh,42Fh,430h,431h,432h
dw 433h,434h,435h,436h,437h,438h,439h,43Ah
dw 43Bh,43Dh,43Eh,43Fh,440h,441h,442h,443h
dw 444h,445h,446h,447h,448h,449h,44Ah,44Bh
dw 44Ch,44Dh,44Fh,450h,451h,452h,453h,454h
dw 455h,456h,457h,458h,459h,45Ah,45Bh,45Ch
dw 45Dh,45Eh,45Fh,460h,462h,463h,464h,465h
dw 466h,467h,468h,469h,46Ah,46Bh,46Ch,46Dh
dw 46Eh,46Fh,470h,471h,472h,473h,474h,475h
dw 477h,478h,479h,47Ah,47Bh,47Ch,47Dh,47Eh
dw 47Fh,480h,481h,482h,483h,484h,485h,486h
dw 487h,488h,489h,48Ah,48Bh,48Ch,48Dh,48Eh
dw 48Fh,490h,492h,493h,494h,495h,496h,497h
dw 498h,499h,49Ah,49Bh,49Ch,49Dh,49Eh,49Fh
dw 4A0h,4A1h,4A2h,4A3h,4A4h,4A5h,4A6h,4A7h
dw 4A8h,4A9h,4AAh,4ABh,4ACh,4ADh,4AEh,4AFh
dw 4B0h,4B1h,4B2h,4B3h,4B4h,4B5h,4B6h,4B7h
dw 4B9h,4BAh,4BBh,4BCh,4BDh,4BEh,4BFh,4C0h
dw 4C1h,4C2h,4C3h,4C4h,4C5h,4C6h,4C7h,4C8h
dw 4C9h,4CAh,4CBh,4CCh,4CDh,4CEh,4CFh,4D0h
dw 4D1h,4D2h,4D3h,4D4h,4D5h,4D6h,4D7h,4D8h
dw 4D9h,4DAh,4DBh,4DCh,4DDh,4DEh,4DFh,4E0h
dw 4E1h,4E2h,4E3h,4E4h,4E5h,4E6h,4E7h,4E8h
dw 4E9h,4EAh,4EBh,4ECh,4EDh,4EEh,4EFh,4F0h
dw 4F1h,4F2h,4F3h,4F4h,4F5h,4F6h,4F7h,4F8h
dw 4F9h,4FAh,4FBh,4FCh,4FDh,4FEh,4FFh,500h
dw 501h,502h,503h,504h,505h,506h,507h,508h
dw 509h,50Ah,50Bh,50Ch,50Dh,50Eh,50Fh,510h
dw 511h,512h,513h,514h,515h,516h,516h,517h
dw 518h,519h,51Ah,51Bh,51Ch,51Dh,51Eh,51Fh
dw 520h,521h,522h,523h,524h,525h,526h,527h
dw 528h,529h,52Ah,52Bh,52Ch,52Dh,52Eh,52Fh
dw 530h,531h,532h,533h,534h,535h,536h,537h
dw 538h,539h,53Ah,53Bh,53Bh,53Ch,53Dh,53Eh
dw 53Fh,540h,541h,542h,543h,544h,545h,546h
dw 547h,548h,549h,54Ah,54Bh,54Ch,54Dh,54Eh
dw 54Fh,550h,551h,552h,553h,553h,554h,555h
dw 556h,557h,558h,559h,55Ah,55Bh,55Ch,55Dh
dw 55Eh,55Fh,560h,561h,562h,563h,564h,565h
dw 566h,567h,567h,568h,569h,56Ah,56Bh,56Ch
dw 56Dh,56Eh,56Fh,570h,571h,572h,573h,574h
dw 575h,576h,577h,578h,578h,579h,57Ah,57Bh
dw 57Ch,57Dh,57Eh,57Fh,580h,581h,582h,583h
dw 584h,585h,586h,586h,587h,588h,589h,58Ah
dw 58Bh,58Ch,58Dh,58Eh,58Fh,590h,591h,592h
dw 593h,594h,594h,595h,596h,597h,598h,599h
dw 59Ah,59Bh,59Ch,59Dh,59Eh,59Fh,5A0h,5A0h
dw 5A1h,5A2h,5A3h,5A4h,5A5h,5A6h,5A7h,5A8h
dw 5A9h,5AAh,5ABh,5ACh,5ACh,5ADh,5AEh,5AFh
dw 5B0h,5B1h,5B2h,5B3h,5B4h,5B5h,5B6h,5B6h
dw 5B7h,5B8h,5B9h,5BAh,5BBh,5BCh,5BDh,5BEh
dw 5BFh,5C0h,5C1h,5C1h,5C2h,5C3h,5C4h,5C5h
dw 5C6h,5C7h,5C8h,5C9h,5CAh,5CAh,5CBh,5CCh
dw 5CDh,5CEh,5CFh,5D0h,5D1h,5D2h,5D3h,5D4h
dw 5D4h,5D5h,5D6h,5D7h,5D8h,5D9h,5DAh,5DBh
dw 5DCh,5DCh,5DDh,5DEh,5DFh,5E0h,5E1h,5E2h
dw 5E3h,5E4h,5E5h,5E5h,5E6h,5E7h,5E8h,5E9h
dw 5EAh,5EBh,5ECh,5EDh,5EDh,5EEh,5EFh,5F0h
dw 5F1h,5F2h,5F3h,5F4h,5F5h,5F5h,5F6h,5F7h
dw 5F8h,5F9h,5FAh,5FBh,5FCh,5FCh,5FDh,5FEh
dw 5FFh,600h,601h,602h,603h,604h,604h,605h
dw 606h,607h,608h,609h,60Ah,60Bh,60Bh,60Ch
dw 60Dh,60Eh,60Fh,610h,611h,612h,612h,613h
dw 614h,615h,616h,617h,618h,618h,619h,61Ah
dw 61Bh,61Ch,61Dh,61Eh,61Fh,61Fh,620h,621h
dw 622h,623h,624h,625h,625h,626h,627h,628h
dw 629h,62Ah,62Bh,62Ch,62Ch,62Dh,62Eh,62Fh
dw 630h,631h,632h,632h,633h,634h,635h,636h
dw 637h,638h,638h,639h,63Ah,63Bh,63Ch,63Dh
dw 63Dh,63Eh,63Fh,640h,641h,642h,643h,643h
dw 644h,645h,646h,647h,648h,649h,649h,64Ah
dw 64Bh,64Ch,64Dh,64Eh,64Eh,64Fh,650h,651h
dw 652h,653h,654h,654h,655h,656h,657h,658h
dw 659h,659h,65Ah,65Bh,65Ch,65Dh,65Eh,65Eh
dw 65Fh,660h,661h,662h,663h,663h,664h,665h
dw 666h,667h,668h,668h,669h,66Ah,66Bh,66Ch
dw 66Dh,66Dh,66Eh,66Fh,670h,671h,672h,672h
dw 673h,674h,675h,676h,677h,677h,678h,679h
dw 67Ah,67Bh,67Bh,67Ch,67Dh,67Eh,67Fh,680h
dw 680h,681h,682h,683h,684h,685h,685h,686h
dw 687h,688h,689h,689h,68Ah,68Bh,68Ch,68Dh
dw 68Dh,68Eh,68Fh,690h,691h,692h,692h,693h
dw 694h,695h,696h,696h,697h,698h,699h,69Ah
dw 69Ah,69Bh,69Ch,69Dh,69Eh,69Fh,69Fh,6A0h
dw 6A1h,6A2h,6A3h,6A3h,6A4h,6A5h,6A6h,6A7h
dw 6A7h,6A8h,6A9h,6AAh,6ABh,6ABh,6ACh,6ADh
dw 6AEh,6AFh,6AFh,6B0h,6B1h,6B2h,6B3h,6B3h
dw 6B4h,6B5h,6B6h,6B7h,6B7h,6B8h,6B9h,6BAh
dw 6BBh,6BBh,6BCh,6BDh,6BEh,6BEh,6BFh,6C0h
dw 6C1h,6C2h,6C2h,6C3h,6C4h,6C5h,6C6h,6C6h
dw 6C7h,6C8h,6C9h,6CAh,6CAh,6CBh,6CCh,6CDh
dw 6CDh,6CEh,6CFh,6D0h,6D1h,6D1h,6D2h,6D3h
dw 6D4h,6D5h,6D5h,6D6h,6D7h,6D8h,6D8h,6D9h
dw 6DAh,6DBh,6DCh,6DCh,6DDh,6DEh,6DFh,6DFh
dw 6E0h,6E1h,6E2h,6E3h,6E3h,6E4h,6E5h,6E6h
dw 6E6h,6E7h,6E8h,6E9h,6E9h,6EAh,6EBh,6ECh
dw 6EDh,6EDh,6EEh,6EFh,6F0h,6F0h,6F1h,6F2h
dw 6F3h,6F3h,6F4h,6F5h,6F6h,6F7h,6F7h,6F8h
dw 6F9h,6FAh,6FAh,6FBh,6FCh,6FDh,6FDh,6FEh
dw 6FFh,700h,700h,701h,702h,703h,703h,704h
dw 705h,706h,707h,707h,708h,709h,70Ah,70Ah
dw 70Bh,70Ch,70Dh,70Dh,70Eh,70Fh,710h,710h
dw 711h,712h,713h,713h,714h,715h,716h,716h
dw 717h,718h,719h,719h,71Ah,71Bh,71Ch,71Ch
dw 71Dh,71Eh,71Fh,71Fh,720h,721h,722h,722h
dw 723h,724h,725h,725h,726h,727h,728h,728h
dw 729h,72Ah,72Ah,72Bh,72Ch,72Dh,72Dh,72Eh
dw 72Fh,730h,730h,731h,732h,733h,733h,734h
dw 735h,736h,736h,737h,738h,738h,739h,73Ah
dw 73Bh,73Bh,73Ch,73Dh,73Eh,73Eh,73Fh,740h
dw 741h,741h,742h,743h,743h,744h,745h,746h
dw 746h,747h,748h,749h,749h,74Ah,74Bh,74Bh
dw 74Ch,74Dh,74Eh,74Eh,74Fh,750h,750h,751h
dw 752h,753h,753h,754h,755h,756h,756h,757h
dw 758h,758h,759h,75Ah,75Bh,75Bh,75Ch,75Dh
dw 75Dh,75Eh,75Fh,760h,760h,761h,762h,762h
dw 763h,764h,765h,765h,766h,767h,767h,768h
dw 769h,76Ah,76Ah,76Bh,76Ch,76Ch,76Dh,76Eh
dw 76Eh,76Fh,770h,771h,771h,772h,773h,773h
dw 774h,775h,776h,776h,777h,778h,778h,779h
dw 77Ah,77Ah,77Bh,77Ch,77Dh,77Dh,77Eh,77Fh
dw 77Fh,780h,781h,781h,782h,783h,784h,784h
dw 785h,786h,786h,787h,788h,788h,789h,78Ah
dw 78Bh,78Bh,78Ch,78Dh,78Dh,78Eh,78Fh,78Fh
dw 790h,791h,791h,792h,793h,793h,794h,795h
dw 796h,796h,797h,798h,798h,799h,79Ah,79Ah
dw 79Bh,79Ch,79Ch,79Dh,79Eh,79Eh,79Fh,7A0h
dw 7A1h,7A1h,7A2h,7A3h,7A3h,7A4h,7A5h,7A5h
dw 7A6h,7A7h,7A7h,7A8h,7A9h,7A9h,7AAh,7ABh
dw 7ABh,7ACh,7ADh,7ADh,7AEh,7AFh,7AFh,7B0h
dw 7B1h,7B1h,7B2h,7B3h,7B4h,7B4h,7B5h,7B6h
dw 7B6h,7B7h,7B8h,7B8h,7B9h,7BAh,7BAh,7BBh
dw 7BCh,7BCh,7BDh,7BEh,7BEh,7BFh,7C0h,7C0h
dw 7C1h,7C2h,7C2h,7C3h,7C4h,7C4h,7C5h,7C6h
dw 7C6h,7C7h,7C8h,7C8h,7C9h,7CAh,7CAh,7CBh
dw 7CCh,7CCh,7CDh,7CEh,7CEh,7CFh,7D0h,7D0h
dw 7D1h,7D2h,7D2h,7D3h,7D3h,7D4h,7D5h,7D5h
dw 7D6h,7D7h,7D7h,7D8h,7D9h,7D9h,7DAh,7DBh
dw 7DBh,7DCh,7DDh,7DDh,7DEh,7DFh,7DFh,7E0h
dw 7E1h,7E1h,7E2h,7E3h,7E3h,7E4h,7E4h,7E5h
dw 7E6h,7E6h,7E7h,7E8h,7E8h,7E9h,7EAh,7EAh
dw 7EBh,7ECh,7ECh,7EDh,7EEh,7EEh,7EFh,7EFh
dw 7F0h,7F1h,7F1h,7F2h,7F3h,7F3h,7F4h,7F5h
dw 7F5h,7F6h,7F7h,7F7h,7F8h,7F8h,7F9h,7FAh
dw 7FAh,7FBh,7FCh,7FCh,7FDh,7FEh,7FEh,7FFh
dw 800h