home *** CD-ROM | disk | FTP | other *** search
/ A.N.A.L.O.G. Magazine 1989 February / 89_feb.atr / prog2.src < prev    next >
Text File  |  2023-02-26  |  13KB  |  1 lines

  1. effects¢ LDX shakin¢ BMI no_shakin¢¢ LDA shake_lines,X¢ STA display_list¢ LDA shake_freq,X¢ STA $D200¢ STA freq1¢ LDA shake_dist,X¢ STA $D201¢ STA dist1¢ DEC shakin¢¢no_shakin¢ LDA wings¢ STA $D202¢ STA freq2¢ STA $D203¢ STA dist2¢¢ LDX tons¢ BMI no_tons¢¢ LDA pho_freq,X¢ STA $D204¢ STA freq3¢ LDA pho_dist,X¢ STA $D205¢ STA dist3¢ DEC tons¢¢no_tons¢ LDX hitz¢ BMI no_hitz¢¢ LDA hit_freq,X¢ STA $D206¢ STA freq4¢ LDA hit_dist,X¢ STA $D207¢ STA dist4¢ DEC hitz¢¢no_hitz¢ RTS¢¢¢shakin = $E6¢wings = $E7¢tons = $E8¢hitz = $E9¢¢¢shake_lines¢ DB $30,$20,$40,$10,$50¢¢shake_freq¢ DB $00,$80,$B0,$D0,$E0¢¢shake_dist¢ DB $00,$82,$84,$86,$88¢¢pho_freq¢ DB 0,160,140,120,48¢¢pho_dist¢ DB 0,$8A,$8C,$8E,$C6¢¢hit_freq¢ DB 0,240,230,220,210,200,190,180¢ DB 170¢¢hit_dist¢ DB $00,$88,$8A,$8C,$8C,$8E,$8E,$8E¢ DB $8C¢¢¢freqs¢¢freq1¢ DB 0¢freq2¢ DB 0¢freq3¢ DB 0¢freq4¢ DB 0¢¢¢dists¢¢dist1¢ DB 0¢dist2¢ DB 0¢dist3¢ DB 0¢dist4¢ DB 0¢¢¢kb_int¢ LDA $D209¢ STA the_key¢ PLA¢ RTI¢¢the_key = $EA¢¢¢wait_for_start¢¢ JSR set_hi_up¢ JSR try_hi_score¢¢key_reset ¢ LDA #$FF¢ STA the_key¢¢press_wait ¢ LDA $D01F¢ CMP #$06 ; start ?¢ BNE try_a_key¢ LDX #$00¢ BEQ go_level¢¢try_a_key¢ LDA the_key¢ CMP #$2D ; toggle ?¢ BNE no_toggle¢¢ LDA toggle¢ EOR #$FF¢ STA toggle¢ JMP key_reset¢¢no_toggle¢ CMP #$12 ; continue ?¢ BEQ go_there¢¢ LDX #$05¢key_loop¢ CMP lvl_keys,X ; level ?¢ BEQ go_level¢ DEX¢ BNE key_loop¢ JMP press_wait¢¢go_level¢ LDA lvl_number,X¢ STA number_of_ships¢ LDA lvl_lo,X¢ STA wave+$01¢ LDA lvl_hi,X¢ STA wave¢¢go_there¢ LDA #$FF¢ STA the_key¢ JMP off_sound¢¢toggle = $EB¢pointer = $EC¢¢lvl_keys¢ DB $FF,$1F,$1E,$1A,$18,$1D¢¢lvl_number¢ DB 1,10,20,30,40,50¢¢lvl_lo¢ DB $11,$10,$10,$10,$10,$10¢¢lvl_hi¢ DB $10,$11,$12,$13,$14,$15 ¢¢¢play_keys¢ LDA the_key¢ CMP #$1C¢ BNE no_esc¢¢ JMP game_over¢¢no_esc¢ CMP #$2D¢ BNE dont_toggle¢¢ LDA toggle¢ EOR #$FF¢ STA toggle¢ LDA #$FF¢ STA the_key¢ RTS¢¢dont_toggle¢ CMP #$21¢ BNE no_space¢    ¢ JSR off_sound¢ JSR vb_wait¢ LDA #LOW dl_pause¢ STA $D402¢ LDA #HIGH dl_pause¢ STA $D403¢ LDA #$40¢ STA $D01B¢ LDA #$E0¢ STA $D01A¢ LDX #$02¢ LDA #$00¢pm_erase¢ STA $D001,X¢ DEX¢ BPL pm_erase¢ LDA #$FF¢ STA the_key   ¢¢ LDA #$05¢ STA $D208¢ LDA #$A6¢ STA $D201¢ STA $D205¢ LDA #$80¢ STA $D200¢ LDA #$40¢ STA $D204¢¢pause_loop ¢ JSR wiggle¢ LDA the_key¢ CMP #$21¢ BNE pause_loop¢¢ JSR vb_wait¢ LDA #LOW display_list¢ STA $D402¢ LDA #HIGH display_list¢ STA $D403¢ LDA #$01¢ STA $D01B¢ LDA #$00¢ STA $D01A¢ LDX #$02¢pm_draw¢ LDA p1x,X¢ STA $D001,X¢ DEX¢ BPL pm_draw¢ LDA #$FF¢ STA the_key¢ LDA #$00¢ STA $D208¢ JSR on_sound¢¢no_space¢ RTS¢            ¢p1x = $D0¢p2x = $D1¢p3x = $D2¢¢¢off_sound¢ LDX #$07¢ LDA #$00¢off_loop¢ STA $D200,X¢ DEX¢ BPL off_loop¢ RTS¢¢¢on_sound¢ LDX #$03¢ LDY #$06¢on_loop¢ LDA freqs,X¢ STA $D200,Y¢ LDA dists,X¢ STA $D201,Y¢ DEX        ¢ DEY¢ DEY¢ BPL on_loop¢ RTS¢¢¢clr_screen¢ LDA #LOW screen_memory¢ STA $DE¢ LDA #HIGH screen_memory¢ STA $DF¢ LDX #$04¢ JMP rub_memory¢¢¢clr_pause_display¢ LDA #LOW pause_memory¢ STA $DE¢ LDA #HIGH pause_memory¢ STA $DF¢ LDX #$08¢ JMP rub_memory¢¢¢dl_pause¢ DB $70,$70,$70¢ DB $4F¢ DW pause_memory¢ DB $0F,$0F,$0F,$0F,$0F,$0F,$0F,$0F¢ DB $0F,$0F,$0F,$0F,$0F,$0F,$0F,$0F¢ DB $0F,$0F,$0F,$0F,$0F,$0F,$0F,$0F¢ DB $0F,$0F,$0F,$0F,$0F,$0F,$0F,$0F¢ DB $0F,$0F,$0F,$0F,$0F,$0F,$0F,$0F¢ DB $0F,$0F,$0F,$0F,$0F,$0F,$0F,$0F¢ DB $0F,$0F¢ DB $41¢ DW dl_pause¢¢¢wiggle¢ JSR vb_wait¢ LDX #$0D¢¢wig1¢ LDA pos_lo,X¢ STA $ED¢ LDA pos_hi,X¢ STA $EE¢ LDA chars_lo,X¢ STA wig2+$01¢ LDA chars_hi,X¢ STA wig2+$02¢¢ TXA¢ PHA¢¢ LDX #$00¢ LDY #$00¢¢wig2¢ LDA $FFFF,X¢ STA ($ED),Y¢ LDA $ED¢ CLC¢ ADC #$28¢ STA $ED¢ BCC skip90¢ INC $EE¢¢skip90¢ INX¢ CPX #$18¢ BNE wig2¢¢ PLA¢ TAX¢ DEX¢ BPL wig1¢¢ LDX #$0D¢ ¢wig3¢ LDA updates-$01,X¢ STA updates,X¢ DEX¢ BNE wig3¢¢ LDX pointer¢ CPX #$30¢ BNE cont_sequence¢ LDX #$00¢ STX pointer¢¢cont_sequence¢ LDA sequence,X¢ STA updates¢ INC pointer¢¢ LDX #$0D¢¢wig4¢ LDA updates,X¢ BMI going_down¢¢going_up¢ LDA pos_lo,X¢ CLC¢ ADC updates,X¢ STA pos_lo,X¢ BCC lets_resume¢ INC pos_hi,X¢ BNE lets_resume¢¢going_down¢ LDA pos_lo,X¢ CLC¢ ADC updates,X¢ STA pos_lo,X¢ BCS lets_resume¢ DEC pos_hi,X¢¢lets_resume¢ DEX¢ BPL wig4¢¢ RTS¢¢¢updates¢ DB 0,0,0,0,0,0,0,0,0,0,0,0,0,0¢¢pos_lo¢ DB $3D,$3E,$3F,$40,$41,$42,$43,$44¢ DB $45,$46,$47,$48,$49,$4A¢¢pos_hi¢ DB $6A,$6A,$6A,$6A,$6A,$6A,$6A,$6A¢ DB $6A,$6A,$6A,$6A,$6A,$6A¢¢u1 = $28¢u2 = $50¢u3 = $78¢d1 = $D8¢d2 = $B0¢d3 = $88¢¢sequence¢ DB 0,0,0¢ DB u1,u1,u1,u1,d1,d1,d1,d1¢ DB 0,0¢ DB u1,u1,u1,u2,u2,u3¢ DB d3,d2,d2,d1,d1,d1¢ DB 0,0,0¢ DB u1,u2,u3,d3,d2,d1¢ DB 0,0¢ DB u1,u1,u1,u1,u1,u1,d3,d2,d1¢ DB 0,0,0                             ¢chars_lo¢ DB LOW char1,LOW char2,LOW char3¢ DB LOW char4,LOW char5,LOW char6¢ DB LOW char7,LOW char8,LOW char9¢ DB LOW char10,LOW char11¢ DB LOW char12,LOW char13¢ DB LOW char14¢¢chars_hi¢ DB HIGH char1,HIGH char2,HIGH char3¢ DB HIGH char4,HIGH char5,HIGH char6¢ DB HIGH char7,HIGH char8,HIGH char9¢ DB HIGH char10,HIGH char11¢ DB HIGH char12,HIGH char13¢ DB HIGH char14¢¢char1¢ DB 0,0,0,0¢ DB 136,153,170,187,204,221,238,255¢ DB 255,238,221,204,187,170,153,0¢ DB 0,0,0,0¢¢char2¢ DB 0,0,0,0¢ DB 136,153,170,187,0,13,14,0¢ DB 15,14,13,12,187,170,153,0¢ DB 0,0,0,0¢¢char3¢ DB 0,0,0,0¢ DB 136,153,170,187,204,13,14,255¢ DB 255,238,221,204,187,170,153,0¢ DB 0,0,0,0¢¢char4¢ DB 0,0,0,0¢ DB 136,153,170,187,192,13,14,0¢ DB 15,14,13,12,187,170,153,0¢ DB 0,0,0,0¢¢char5¢ DB 0,0,0,0¢ DB 136,153,170,187,204,13,14,15¢ DB 15,14,13,12,187,170,153,0¢ DB 0,0,0,0¢¢char6¢ DB 0,0,0,0¢ DB 136,153,170,187,12,13,14,15¢ DB 15,14,13,0,187,170,153,0¢ DB 0,0,0,0¢¢char7¢ DB 0,0,0,0¢ DB 136,153,170,187,12,13,14,15¢ DB 15,14,13,12,187,170,153,0¢ DB 0,0,0,0¢¢char8¢ DB 0,0,0,0¢ DB 136,153,170,187,0,13,14,0¢ DB 255,238,221,0,187,170,153,0¢ DB 0,0,0,0¢¢char9¢ DB 0,0,0,0¢ DB 136,153,170,187,12,221,238,15¢ DB 15,14,13,12,187,170,153,0¢ DB 0,0,0,0¢¢char10¢ DB 0,0,0,0¢ DB 136,153,170,187,0,13,14,0¢ DB 15,14,13,0,187,170,153,0¢ DB 0,0,0,0¢¢char11¢ DB 0,0,0,0¢ DB 136,153,170,187,12,221,238,255¢ DB 255,238,221,12,187,170,153,0¢ DB 0,0,0,0¢¢char12¢ DB 0,0,0,0¢ DB 136,153,170,187,0,13,14,15¢ DB 15,14,13,0,187,170,153,0¢ DB 0,0,0,0¢¢char13¢ DB 0,0,0,0¢ DB 136,153,170,187,204,13,14,15¢ DB 15,14,13,204,187,170,153,0¢ DB 0,0,0,0¢¢char14¢ DB 0,0,0,0¢ DB 136,153,170,187,204,221,238,255¢ DB 255,238,221,204,187,170,153,0¢ DB 0,0,0,0¢                      ¢¢set_up_letters¢ LDA #LOW title_memory¢ STA $DE¢ LDA #HIGH title_memory¢ STA $DF¢ LDX #$0B¢ JSR rub_memory¢¢ LDX #$05¢here¢ LDA lo_letters,X¢ STA $DC¢ LDA hi_letters,X¢ STA $DD¢ LDA lo_goes,X¢ STA $DE¢ LDA hi_goes,X¢ STA $DF¢      ¢ TXA¢ PHA¢¢ CMP #$04¢ BMI skip96¢¢ LDX #$0F¢ BPL loop99¢¢skip96¢ LDX #$27¢¢loop99¢ LDY #$05¢¢get1¢ LDA ($DC),Y¢ STA ($DE),Y¢ DEY¢ BPL get1¢¢ LDA $DC¢ CLC ¢ ADC #$06¢ STA $DC¢ BCC skip97¢ INC $DD¢¢skip97¢ LDA $DE¢ CLC ¢ ADC #$28¢ STA $DE¢ BCC skip95¢ INC $DF¢¢skip95¢ DEX¢ BPL loop99¢¢ PLA¢ TAX¢ DEX¢ BPL here¢¢ RTS¢¢lo_letters¢ DB LOW s_letter¢ DB LOW t_letter¢ DB LOW a_letter¢ DB LOW r_letter¢ DB LOW rid_letters¢ DB LOW er_letters¢¢hi_letters¢ DB HIGH s_letter¢ DB HIGH t_letter¢ DB HIGH a_letter¢ DB HIGH r_letter¢ DB HIGH rid_letters¢ DB HIGH er_letters¢ ¢lo_goes¢ DB $58,$0E,$14,$6A,$17,$1D¢¢hi_goes¢ DB $50,$50,$50,$50,$57,$57¢¢¢set_hi_up¢ JSR off_sound¢ JSR vb_wait¢ LDA #LOW hi_dlist¢ STA $D402¢ LDA #HIGH hi_dlist¢ STA $D403¢ LDA #LOW hi_dli¢ STA $0200¢ LDA #HIGH hi_dli¢ STA $0201¢ LDA #$D0¢ STA $D018¢ LDA #$8C¢ STA $D019¢ LDA #$05¢ STA $D208¢ LDA #$AA¢ STA $D201¢ STA $D203¢ LDA #$A6¢ STA $D205¢ STA $D207¢ LDA #$00¢ STA decay¢ LDA #$27¢ STA note¢ LDA #$01¢ STA left_to_right¢ JSR pm_init¢ LDA #$00¢ STA left_to_right¢ RTS¢¢hi_dlist¢ DB $70,$70,$F0¢ DB $4F¢ DW title_memory¢ DB $0F,$0F,$0F,$0F,$0F,$0F,$0F,$0F¢ DB $0F,$0F,$0F,$0F,$0F,$0F,$0F,$0F¢ DB $0F,$0F,$0F,$0F,$0F,$0F,$0F,$0F¢ DB $0F,$0F,$0F,$0F,$0F,$0F,$0F,$0F¢ DB $0F,$0F,$0F,$0F,$0F,$0F,$0F,$0F¢ DB $0F,$0F,$0F,$0F,$0F,$0F,$0F,$0F¢ DB $0F,$0F,$0F,$0F,$0F,$0F,$0F,$0F¢ DB $0F,$0F,$0F,$0F¢ DB $70¢ DB $42¢ DW scores_memory¢ DB $70,$06,$70,$06,$70,$06¢ DB $70,$06,$70,$06,$70¢ DB $02¢ DB $41¢ DW hi_dlist¢¢¢scores_memory¢ DB 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0¢ DB 40,41,39,40,0¢ DB 51,35,47,50,37,51¢ DB 0,0,0,0,0,0,0,0,0,0,0,0,0,0¢¢hi_line¢ DB 0,0,0¢ DB 97,110,97,108,111,103,0,0,0¢ DB 16,17,16,16,16¢ DB 0,0,0¢hi_start = hi_line+12¢¢ DB 0,0,0¢ DB 97,110,97,108,111,103,0,0,0¢ DB 16,16,21,16,16¢ DB 0,0,0¢¢ DB 0,0,0¢ DB 97,110,97,108,111,103,0,0,0¢ DB 16,16,18,21,16¢ DB 0,0,0¢¢ DB 0,0,0¢ DB 97,110,97,108,111,103,0,0,0¢ DB 16,16,17,16,16¢ DB 0,0,0¢¢ DB 0,0,0¢ DB 97,110,97,108,111,103,0,0,0¢ DB 16,16,16,21,16¢ DB 0,0,0¢                       ¢ DB 0,0,0,0,0,0,0,0,0¢ DB 48,'rogrammed',0,34,'y',0¢ DB 48,'aul',0,44,'ay'¢ DB 0,0,0,0,0,0,0,0,0¢¢¢hi_dli¢ PHA¢ TXA¢ PHA¢¢ LDX #$E0¢ LDA #$41¢ STA $D40A¢ STX $D01A¢ STA $D01B¢¢ LDX #$3C¢¢dli8loop¢ LDA starfield,X¢ STA $D40A¢ STA $D004¢ STX $D012¢ DEC starfield,X¢ TXA¢ LSR A¢ BCC dli98skip¢ DEC starfield,X¢dli98skip¢ DEX¢ BNE dli8loop¢¢ STX $D40A¢ STX $D01A¢ LDA #$01¢ STA $D01B¢¢ LDX #$6D¢¢dli9loop¢ TXA¢ ASL A¢ STA $D40A¢ STA $D017¢ CLC¢ ADC #$40¢ STA $D016¢ LDA starfield+$3C,X¢ STA $D004¢ STX $D012¢ DEC starfield+$3C,X¢ TXA¢ LSR A¢ BCC dli99skip ¢ DEC starfield+$3C,X¢dli99skip¢ DEX¢ BNE dli9loop¢    ¢ STX $D004¢¢ DEC decay¢ BPL decayin¢¢ LDX note¢ CPX #$28¢ BNE ok_note¢ LDX #$00¢¢ok_note¢ LDA pitch,X¢ STA $D200¢ CLC¢ ADC #$01¢ STA $D202¢ LSR A¢ STA $D204¢ CLC ¢ ADC #$01¢ STA $D206¢ INX¢ STX note¢ LDA #$07¢ STA decay¢¢decayin¢ PLA¢ TAX¢ PLA¢ RTI¢     ¢decay = $DB¢note = $DC¢¢pitch¢ DB 72,110,74,111,72,110,74,111¢ DB 64,126,66,127,64,126,66,127¢ DB 72,110,74,111,72,110,74,111¢ DB 64,126,66,127,64,126,66,127¢ DB 64,74,84,94,62,72,82,92¢¢¢rub_memory¢ LDY #$00¢ TYA¢rub_loop¢ STA ($DE),Y¢ INY¢ BNE rub_loop¢ INC $DF¢ DEX¢ BNE rub_loop¢ RTS¢¢¢pm_init¢ LDA #LOW play1¢ STA $DE¢ LDA #HIGH play1¢ STA $DF¢ LDX #$03¢ JSR rub_memory¢¢ LDX #$00¢loop5¢ LDA $D20A¢ LDY left_to_right¢ BNE is_skip¢ CMP #$2F¢ BCC loop5¢ CMP #$CF¢ BCS loop5  ¢is_skip¢ STA starfield,X¢ LDA #$01¢ STA pmbase+$0300,X¢ INX¢ BNE loop5¢ RTS   ¢¢left_to_right¢ DB $00¢¢¢time_to_die¢ LDA #$C8¢ STA $D3¢¢loop88¢ STA $D40A¢ LDA $D20A¢ AND #$70¢ STA display_list¢ LDY #$40¢exploding ¢ LDX #$03¢blowing¢ LDA $D20A¢ STA $D004,X¢ STA $D012,X¢ DEX¢ BPL blowing¢ STA $D00C¢ STA $D011¢ AND #$07¢ TAX¢ LDA $D20A¢ AND #$EF¢ STA $D200,X¢ DEY¢ BNE exploding¢ DEC $D3¢ BNE loop88¢¢ LDA #$30¢ STA display_list¢ LDA #$00¢ STA $D00C¢ RTS¢¢¢try_hi_score¢ LDA $D4¢ BEQ first_game¢¢ LDA #LOW hi_start¢ STA $D5¢ LDA #HIGH hi_start¢ STA $D6¢ ¢ LDX #$00¢¢hs1loop¢ LDY #$00¢¢hs2loop¢ LDA ($D5),Y¢ CMP score,Y¢ BCC a_new_hi¢ BNE hs1skip¢¢ INY¢ CPY #$05¢ BNE hs2loop¢¢hs1skip¢ LDA $D5¢ CLC¢ ADC #$14¢ STA $D5¢ BCC hs2skip¢ INC $D6¢¢hs2skip¢ INX¢ CPX #$05¢ BNE hs1loop¢ RTS¢¢a_new_hi¢ JMP add_high_score¢¢first_game¢ INC $D4¢ RTS¢¢¢add_high_score¢ STX $D9¢ LDA #LOW [hi_line+60]¢ STA $D5¢ LDA #HIGH [hi_line+60]¢ STA $D6¢¢ LDA #$04¢ SEC¢ SBC $D9¢ TAX¢¢ah1loop¢ BEQ ah1skip¢ LDA $D5¢ CLC¢ ADC #$14¢ STA $D7¢ LDA $D6¢ ADC #$00¢ STA $D8¢¢ LDY #$13¢¢ah2loop¢ LDA ($D5),Y¢ STA ($D7),Y¢ DEY¢ BPL ah2loop¢¢ LDA $D5¢ SEC¢ SBC #$14¢ STA $D5¢ BCS ah2skip¢ DEC $D6¢¢ah2skip¢ DEX¢ BPL ah1loop¢¢ah1skip¢ LDA #LOW [hi_line+$03]¢ STA $D5¢ LDA #HIGH [hi_line+$04]¢ STA $D6¢ LDA $D9¢ ASL A¢ ASL A¢ PHA¢ CLC¢ ADC $D5¢ STA $D5¢ BCC ah3skip¢ INC $D6¢¢ah3skip¢ PLA¢ ASL A¢ ASL A¢ CLC¢ ADC $D5¢ STA $D5¢ BCC ah4skip¢ INC $D6¢¢ah4skip¢ LDY #$07¢¢ah3loop¢ LDA name_buffer,Y¢ TAX¢ LDA name_characters,X¢ STA ($D5),Y¢ DEY¢ BPL ah3loop¢¢ LDA $D5¢ CLC¢ ADC #$09¢ STA $D7¢ LDA $D6¢ ADC #$00¢ STA $D8¢¢ LDY #$04¢¢ah4loop¢ LDA score,Y¢ STA ($D7),Y¢ DEY¢ BPL ah4loop¢¢ LDY #$00¢¢en1loop¢ JSR delay¢¢ LDA #$FF¢ STA ($D5),Y¢¢ JSR delay¢ ¢ LDA name_buffer,Y¢ TAX¢ LDA name_characters,X¢ STA ($D5),Y¢¢ LDA $D010¢ BEQ en5skip¢¢ LDA $D300¢ AND #$0F¢ ¢ CMP #$07¢ BNE en1skip¢¢ INY¢ CPY #$08¢ BMI en1loop¢ LDY #$00¢ BPL en1loop¢¢en1skip¢ CMP #$0B¢ BNE en2skip¢¢ DEY¢ BPL en1loop¢ LDY #$07¢ BPL en1loop¢¢en2skip¢ CMP #$0D¢ BNE en3skip¢¢ LDA name_buffer,Y¢ SEC¢ SBC #$01¢ BPL en4skip¢ LDA #$24¢ BPL en4skip¢¢en3skip¢ CMP #$0E¢ BNE en1loop¢¢ LDA name_buffer,Y¢ CLC¢ ADC #$01¢ CMP #$25¢ BMI en4skip¢ LDA #$00¢¢en4skip¢ STA name_buffer,Y¢ JMP en1loop¢¢en5skip¢ LDA $D010¢ BEQ en5skip¢ RTS¢¢¢delay¢ JSR vb_wait¢ JSR vb_waste¢ JSR vb_wait¢ JSR vb_waste¢ JSR vb_wait¢ JMP vb_waste¢¢¢name_characters¢ DB 0¢¢a_char SET 97¢ ECHO 26¢ DB a_char¢a_char SET a_char+$01¢ ENDM¢¢a_char SET 80¢ ECHO 10¢ DB a_char¢a_char SET a_char+$01¢ ENDM¢¢¢name_buffer¢ DB 0,0,0,0,0,0,0,0¢¢¢busted¢ LDA #$00¢ STA $D400¢ STA $D20E¢ STA $D40E¢ STA $D208¢ LDA #$03¢ STA $D20F¢¢ LDA #LOW blister¢ STA $D402¢ LDA #HIGH blister¢ STA $D403¢ LDA #HIGH pmbase¢ STA $D409¢ LDA #$0C¢ STA $D017¢ LDA #$00¢ STA $D018¢¢ LDA #$23¢ STA $D400¢¢ LDA #$0E¢ STA $D201¢ STA $D203¢ LDX #$01¢ STX $D200¢ INX¢ STX $D202¢¢bl1loop¢ LDX #$7F¢bl2loop¢ LDA $D20A¢ STA pmbase,X¢ DEX¢ BPL bl2loop¢ BMI bl1loop¢¢¢blister¢¢ ECHO 14¢ DB $42¢ DW bline¢ DB $02¢ ENDM¢¢ DB $42¢ DW bline¢¢ DB $41¢ DW blister¢       ¢¢bline¢ DB 0,1,2,3,4,5,6,7¢ DB 8,9,10,11,12,13,14,15¢ DB 0,1,2,3,4,5,6,7¢ DB 8,9,10,11,12,13,14,15¢ DB 0,1,2,3,4,5,6,7¢ DB 8,9,10,11,12,13,14,15¢ DB 8,9,10,11,12,13,14,15¢ DB 0,1,2,3,4,5,6,7¢ DB 8,9,10,11,12,13,14,15¢ DB 0,1,2,3,4,5,6,7¢ DB 8,9,10,11,12,13,14,15 ¢ DB 0,1,2,3,4,5,6,7¢¢ include d:letters.src¢