; 6809dasm file for Vectrex bios calls ; date 06/29/2019 ;; since we're not disassembling the bios along with the cartridge code, ;; we only need 'label' entries. ;; examples ; label ffff whatever ; comment ;; I/O space ; label c000 COLOR_REGISTERS ; label c804 WIDGET_PIA_DATAA ; however for the cartridge contents that we *are* disassembling, we ; can add comments and data, eg: ; commentline 0 Stargate ; comment 000c label from f608 ; data 065e-080B ; ascii 2b40-2b6f ; data fffa-fffb ; comment fffA SWI vector label C800 Vec_Snd_Shadow label C80F Vec_Btn_State label C810 Vec_Prev_Btns label C811 Vec_Buttons label C812 Vec_Button_1_1 label C813 Vec_Button_1_2 label C814 Vec_Button_1_3 label C815 Vec_Button_1_4 label C816 Vec_Button_2_1 label C817 Vec_Button_2_2 label C818 Vec_Button_2_3 label C819 Vec_Button_2_4 label C81A Vec_Joy_Resltn label C81B Vec_Joy_1_X label C81C Vec_Joy_1_Y label C81D Vec_Joy_2_X label C81E Vec_Joy_2_Y label C81F Vec_Joy_Mux label C81F Vec_Joy_Mux_1_X label C820 Vec_Joy_Mux_1_Y label C821 Vec_Joy_Mux_2_X label C822 Vec_Joy_Mux_2_Y label C823 Vec_Misc_Count label C824 Vec_0Ref_Enable label C825 Vec_Loop_Count label C827 Vec_Brightness label C828 Vec_Dot_Dwell label C829 Vec_Pattern label C82A Vec_Text_HW label C82A Vec_Text_Height label C82B Vec_Text_Width label C82C Vec_Str_Ptr label C82E Vec_Counters label C82E Vec_Counter_1 label C82F Vec_Counter_2 label C830 Vec_Counter_3 label C831 Vec_Counter_4 label C832 Vec_Counter_5 label C833 Vec_Counter_6 label C834 Vec_RiseRun_Tmp label C836 Vec_Angle label C837 Vec_Run_Index label C839 CopyRStartup ; Pointer to copyright string during startup label C839 Vec_Rise_Index label C83B HighScoreColdStartFlag ;High score cold-start flag (=0 if valid) label C83B Vec_RiseRun_Len label C83C Vec_temp ;temp byte label C83D Vec_Rfrsh label C83D Vec_Rfrsh_lo label C83E Vec_Rfrsh_hi label C83F Vec_Music_Work label C842 Vec_Music_Wk_A label C843 Vec_reg9 ; register 9 label C844 Vec_reg8 ; register 8 label C845 Vec_Music_Wk_7 label C846 Vec_Music_Wk_6 label C847 Vec_Music_Wk_5 label C848 Vec_reg4 ; register 4 label C849 Vec_reg3 ; register 3 label C84A Vec_reg2 ; register 2 label C84B Vec_Music_Wk_1 label C84C Vec_reg0 ; register 0 label C84D Vec_Freq_Table label C84F Vec_Max_Players label C850 Vec_Max_Games label C84F Vec_ADSR_Table label C851 Vec_Twang_Table label C853 Vec_Music_Ptr label C853 Vec_Expl_ChanA label C854 Vec_Expl_Chans label C855 Vec_Music_Chan label C856 Vec_Music_Flag label C857 Vec_Duration label C858 Vec_Music_Twang label C858 Vec_Expl_1 label C859 Vec_Expl_2 label C85A Vec_Expl_3 label C85B Vec_Expl_4 label C85C Vec_Expl_Chan label C85D Vec_Expl_ChanB label C85E Vec_ADSR_Timers label C861 Vec_Music_Freq label C85E Vec_ScratchScore0 ;Scratch 'score' storage for Display_Option (7 bytes) label C867 Vec_Expl_Flag ; $C868...$C876 ;Unused? label C877 Vec_Expl_Timer ; $C878 ;Unused? label C879 Vec_Num_Players label C87A Vec_Num_Game label C87B Vec_Seed_Ptr label C87D Vec_Random_Seed ; ; ; $C880 - $CBEA is user RAM ; ; ; label CBEA Vec_Default_Stk label CBEB Vec_High_Score label CBF2 Vec_SWI3_Vector label CBF2 Vec_SWI2_Vector label CBF5 Vec_FIRQ_Vector label CBF8 Vec_IRQ_Vector label CBFB Vec_SWI_Vector label CBFB Vec_NMI_Vector label CBFE Vec_Cold_Flag ; label D000 VIA_port_b ; 0 sample/hold (0=enable mux 1=disable mux) ; 1 mux sel 0 ; 2 mux sel 1 ; 3 sound BC1 ; 4 sound BDIR ; 5 comparator input ; 6 external device (slot pin 35) initialized to input ; 7 /RAMP label D001 VIA_port_a label D002 VIA_DDR_b label D003 VIA_DDR_a label D004 VIA_t1_cnt_lo label D005 VIA_t1_cnt_hi label D006 VIA_t1_lch_lo label D007 VIA_t1_lch_hi label D008 VIA_t2_lo label D009 VIA_t2_hi label D00A VIA_shift_reg label D00B VIA_aux_cntl ; 0 PA latch enable ; 1 PB latch enable ; 2 \ 110=output to CB2 under control of phase 2 clock ; 3 > shift register control (110 is the only mode used by the Vectrex ROM) ; 4 / ; 5 0=t2 one shot 1=t2 free running ; 6 0=t1 one shot 1=t1 free running ; 7 0=t1 disable PB7 output 1=t1 enable PB7 output label D00C VIA_cntl ; 0 CA1 control CA1 -> SW7 0=IRQ on low 1=IRQ on high ; 1 \ ; 2 > CA2 control CA2 -> /ZERO 110=low 111=high ; 3 / ; 4 CB1 control CB1 -> NC 0=IRQ on low 1=IRQ on high ; 5 \ ; 6 > CB2 control CB2 -> /BLANK 110=low 111=high ; 7 / label D00D VIA_int_flags ; bit cleared by ; 0 CA2 interrupt flag reading or writing port A I/O ; 1 CA1 interrupt flag reading or writing port A I/O ; 2 shift register interrupt flag reading or writing shift register ; 3 CB2 interrupt flag reading or writing port B I/O ; 4 CB1 interrupt flag reading or writing port A I/O ; 5 timer 2 interrupt flag read t2 low or write t2 high ; 6 timer 1 interrupt flag read t1 count low or write t1 high ; 7 IRQ status flag write logic 0 to IER or IFR bit label D00E VIA_int_enable ; 0 CA2 interrupt enable ; 1 CA1 interrupt enable ; 2 shift register interrupt enable ; 3 CB2 interrupt enable ; 4 CB1 interrupt enable ; 5 timer 2 interrupt enable ; 6 timer 1 interrupt enable ; 7 IER set/clear control label D00F VIA_port_a_nohs label F000 Cold_Start label F06C Warm_Start label F14C Init_VIA label F164 Init_OS_RAM label F18B Init_OS label F192 Wait_Recal label F1A2 Set_Refresh label F1AA DP_to_D0 label F1AF DP_to_C8 label F1B4 Read_Btns_Mask label F1BA Read_Btns label F1F5 Joy_Analog label F1F8 Joy_Digital label F256 Sound_Byte label F259 Sound_Byte_x label F25B Sound_Byte_raw label F272 Clear_Sound label F27D Sound_Bytes label F284 Sound_Bytes_x label F289 Do_Sound label F28C Do_Sound_x label F29D Intensity_1F label F2A1 Intensity_3F label F2A5 Intensity_5F label F2A9 Intensity_7F label F2AB Intensity_a label F2BE Dot_ix_b label F2C1 Dot_ix label F2C3 Dot_d label F2C5 Dot_here label F2D5 Dot_List label F2DE Dot_List_Reset label F2E6 Recalibrate label F2F2 Moveto_x_7F label F2FC Moveto_d_7F label F308 Moveto_ix_FF label F30C Moveto_ix_7F label F30E Moveto_ix_a label F310 Moveto_ix label F312 Moveto_d label F34A Reset0Ref_D0 label F34F Check0Ref label F354 Reset0Ref label F35B Reset_Pen label F36B Reset0Int label F373 Print_Str_hwyx label F378 Print_Str_yx label F37A Print_Str_d label F385 Print_List_hw label F38A Print_List label F38C Print_List_chk label F391 Print_Ships_x label F393 Print_Ships label F3AD Mov_Draw_VLc_a label F3B1 Mov_Draw_VL_b label F3B5 Mov_Draw_VLcs label F3B7 Mov_Draw_VL_ab label F3B9 Mov_Draw_VL_a label F3BC Mov_Draw_VL label F3BE Mov_Draw_VL_d label F3CE Draw_VLc label F3D2 Draw_VL_b label F3D6 Draw_VLcs label F3D8 Draw_VL_ab label F3DA Draw_VL_a label F3DD Draw_VL label F3DF Draw_Line_d label F404 Draw_VLp_FF label F408 Draw_VLp_7F label F40C Draw_VLp_scale label F40E Draw_VLp_b label F410 Draw_VLp label F434 Draw_Pat_VL_a label F437 Draw_Pat_VL label F439 Draw_Pat_VL_d label F46E Draw_VL_mode label F495 Print_Str label F511 Random_3 label F517 Random label F533 Init_Music_Buf label F53F Clear_x_b label F542 Clear_C8_RAM label F545 Clear_x_256 label F548 Clear_x_d label F550 Clear_x_b_80 label F552 Clear_x_b_a label F55A Dec_3_Counters label F55E Dec_6_Counters label F563 Dec_Counters label F56D Delay_3 label F571 Delay_2 label F575 Delay_1 label F579 Delay_0 label F57A Delay_b label F57D Delay_RTS label F57E Bitmask_a label F584 Abs_a_b label F58B Abs_b label F593 Rise_Run_Angle label F5D9 Get_Rise_Idx label F5DB Get_Run_Idx label F5EF Get_Rise_Run label F5FF Rise_Run_X label F601 Rise_Run_Y label F603 Rise_Run_Len label F610 Rot_VL_ab label F616 Rot_VL label F61F Rot_VL_Mode_a label F62B Rot_VL_Mode_dft label F637 Rot_VL_dft label F65B Xform_Run_a label F65D Xform_Run label F661 Xform_Rise_a label F663 Xform_Rise label F67F Move_Mem_a_1 label F683 Move_Mem_a label F687 Init_Music_chk label F68D Init_Music label F692 Init_Music_x label F7A9 Select_Game label F84F Clear_Score label F85E Add_Score_a label F87C Add_Score_d label F8B7 Strip_Zeros label F8C7 Compare_Score label F8D8 New_High_Score label F8E5 Obj_Will_Hit_u label F8F3 Obj_Will_Hit label F8FF Obj_Hit label F92E Explosion_Snd label FF9F Draw_Grid_VL label FD0D music1 label FD1D music2 label FD81 music3 label FDD3 music4 label FE38 music5 label FE76 music6 label FEC6 music7 label FEF8 music8 label FF26 music9 label FF44 musica label FF62 musicb label FF7A musicc label FF8F musicd label F9F4 Char_Table label FBD4 Char_Table_End ; dp c8 label 10 Vec_Prev_Btns label 11 Vec_Buttons label 12 Vec_Button_1_1 label 13 Vec_Button_1_2 label 14 Vec_Button_1_3 label 15 Vec_Button_1_4 label 16 Vec_Button_2_1 label 17 Vec_Button_2_2 label 18 Vec_Button_2_3 label 19 Vec_Button_2_4 label 1A Vec_Joy_Resltn label 1B Vec_Joy_1_X label 1C Vec_Joy_1_Y label 1D Vec_Joy_2_X label 1E Vec_Joy_2_Y label 1F Vec_Joy_Mux label 1F Vec_Joy_Mux_1_X label 20 Vec_Joy_Mux_1_Y label 21 Vec_Joy_Mux_2_X label 22 Vec_Joy_Mux_2_Y label 23 Vec_Misc_Count label 24 Vec_0Ref_Enable label 25 Vec_Loop_Count label 27 Vec_Brightness label 28 Vec_Dot_Dwell label 29 Vec_Pattern label 2A Vec_Text_HW label 2A Vec_Text_Height label 2B Vec_Text_Width label 2C Vec_Str_Ptr label 2E Vec_Counters label 2E Vec_Counter_1 label 2F Vec_Counter_2 label 30 Vec_Counter_3 label 31 Vec_Counter_4 label 32 Vec_Counter_5 label 33 Vec_Counter_6 label 34 Vec_RiseRun_Tmp label 36 Vec_Angle label 37 Vec_Run_Index label 39 CopyRStartup ; Pointer to copyright string during startup label 39 Vec_Rise_Index label 3B HighScoreColdStartFlag ;High score cold-start flag (=0 if valid) label 3B Vec_RiseRun_Len label 3C Vec_temp ;temp byte label 3D Vec_Rfrsh label 3D Vec_Rfrsh_lo label 3E Vec_Rfrsh_hi label 3F Vec_Music_Work label 42 Vec_Music_Wk_A label 43 Vec_reg9 ; register 9 label 44 Vec_reg8 ; register 8 label 45 Vec_Music_Wk_7 label 46 Vec_Music_Wk_6 label 47 Vec_Music_Wk_5 label 48 Vec_reg4 ; register 4 label 49 Vec_reg3 ; register 3 label 4A Vec_reg2 ; register 2 label 4B Vec_Music_Wk_1 label 4C Vec_reg0 ; register 0 label 4D Vec_Freq_Table label 4F Vec_Max_Players label 50 Vec_Max_Games label 4F Vec_ADSR_Table label 51 Vec_Twang_Table label 53 Vec_Music_Ptr label 53 Vec_Expl_ChanA label 54 Vec_Expl_Chans label 55 Vec_Music_Chan label 56 Vec_Music_Flag label 57 Vec_Duration label 58 Vec_Music_Twang label 58 Vec_Expl_1 label 59 Vec_Expl_2 label 5A Vec_Expl_3 label 5B Vec_Expl_4 label 5C Vec_Expl_Chan label 5D Vec_Expl_ChanB label 5E Vec_ADSR_Timers label 61 Vec_Music_Freq label 5E Vec_ScratchScore0 ;Scratch 'score' storage for Display_Option (7 bytes) label 67 Vec_Expl_Flag ; $C868...$C876 ;Unused? label 77 Vec_Expl_Timer ; $C878 ;Unused? label 79 Vec_Num_Players label 7A Vec_Num_Game label 7B Vec_Seed_Ptr label 7D Vec_Random_Seed ;; now specific data for this cartridge: