📄 int_5307.s
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_INT_Vectors_Loaded:;INT INT_Vectors_Loaded(void);{;; /* Just return the loaded vectors flag. */; return(INT_Loaded_Flag);; MOVE.L _INT_Loaded_Flag,D0 ; Put the flag into D0 RTS ; Return to caller;};;;/*************************************************************************/;/* */;/* FUNCTION */;/* */;/* INT_Setup_Vector */;/* */;/* DESCRIPTION */;/* */;/* This function sets up the specified vector with the new vector */;/* value. The previous vector value is returned to the caller. */;/* */;/* AUTHOR */;/* */;/* Barry Sellew, Accelerated Technology, Inc. */;/* */;/* CALLED BY */;/* */;/* Application */;/* TCC_Register_LISR Register LISR for vector */;/* */;/* CALLS */;/* */;/* None */;/* */;/* INPUTS */;/* */;/* vector Vector number to setup */;/* new Pointer to new assembly */;/* language ISR */;/* */;/* OUTPUTS */;/* */;/* old vector contents */;/* */;/* HISTORY */;/* */;/* NAME DATE REMARKS */;/* */;/* B. Sellew 04-28-1998 Created and verified version 1.0 */;/* */;/*************************************************************************/ XDEF _INT_Setup_Vector_INT_Setup_Vector:;VOID *INT_Setup_Vector(INT vector, VOID *new);{;;VOID *old_vector; /* Old interrupt vector */;VOID **vector_table; /* Pointer to vector table */;; /* Calculate the starting address of the actual vector table. */; vector_table = (VOID **) 0x0;; MOVEA.L #0,A0 ; Pointer to the vector table;; /* Pickup the old interrupt vector. */; old_vector = vector_table[vector];; MOVE.L 4(A7),D0 ; Pickup the vector number LSL.L #2,D0 ; Adjust for the vector size ADDA.L D0,A0 ; Add in offset to vector base MOVE.L (A0),D0 ; Pickup previous vector; ; /* Setup the new interrupt vector. */; vector_table[vector] = new;; MOVE.L 8(A7),D1 ; Pickup the new vector pointer MOVE.L D1,(A0) ; Store it in the vector table; ; /* Return the old interrupt vector. */; return(old_vector);; RTS ; Return to caller;};;;/*************************************************************************/;/* */;/* FUNCTION */;/* */;/* INT_Retrieve_Shell */;/* */;/* DESCRIPTION */;/* */;/* This function retrieves the pointer to the shell interrupt */;/* service routine. The shell interrupt service routine calls */;/* the LISR dispatch routine. */;/* */;/* AUTHOR */;/* */;/* Barry Sellew, Accelerated Technology, Inc. */;/* */;/* CALLED BY */;/* */;/* TCC_Register_LISR Register LISR for vector */;/* */;/* CALLS */;/* */;/* None */;/* */;/* INPUTS */;/* */;/* vector Vector number to setup */;/* */;/* OUTPUTS */;/* */;/* shell pointer */;/* */;/* HISTORY */;/* */;/* NAME DATE REMARKS */;/* */;/* B. Sellew 04-28-1998 Created and verified version 1.0 */;/* */;/*************************************************************************/ XDEF _INT_Retrieve_Shell_INT_Retrieve_Shell:;VOID *INT_Retrieve_Shell(INT vector);{;; /* Return the LISR Shell interrupt routine. */; return(INT_Vectors[vector]);; LEA _INT_Vectors,A0 ; Build address to default ISRs MOVE.L 4(A7),D1 ; Pickup the vector number ASL.L #2,D1 ; Multiply by 4 MOVE.L (0,A0,D1),D0 ; Pickup the default ISR RTS ; Return to caller;};;;/* The following area contains the default interrupt vector processing for; each interrupt. Note: Nothing else can be placed between the ; INT_Start_ISRs label and the INT_End_ISRs label. */; XDEF _INT_Start_ISRs_INT_Start_ISRs:;;_INT_Bus_Error: ; Bus Error 2 BSR.W _INT_Interrupt_Shell ; Branch to interrupt shell;_INT_Address_Error: ; Address Error 3 BSR.W _INT_Interrupt_Shell ; Branch to interrupt shell;_INT_Illegal_Instruction: ; Illegal Instruction 4 BSR.W _INT_Interrupt_Shell ; Branch to interrupt shell;_INT_Zero_Divide: ; Divide by zero 5 BSR.W _INT_Interrupt_Shell ; Branch to interrupt shell;_INT_Chk_Chk2: ; CHK and CHK2 instructions 6 BSR.W _INT_Interrupt_Shell ; Branch to interrupt shell;_INT_TrapV: ; TRAPV instruction 7 BSR.W _INT_Interrupt_Shell ; Branch to interrupt shell;_INT_Privilege: ; Privilege violation 8 BSR.W _INT_Interrupt_Shell ; Branch to interrupt shell;_INT_Trace: ; Trace 9 BSR.W _INT_Interrupt_Shell ; Branch to interrupt shell;_INT_Emul_A: ; Emulate A 10 BSR.W _INT_Interrupt_Shell ; Branch to interrupt shell;_INT_Emul_B: ; Emulate B 11 BSR.W _INT_Interrupt_Shell ; Branch to interrupt shell;_INT_Hdw_Breakpoint: ; Hardware breakpoint 12 BSR.W _INT_Interrupt_Shell ; Branch to interrupt shell;_INT_Coprocessor_Violate: ; Coprocessor violation 13 BSR.W _INT_Interrupt_Shell ; Branch to interrupt shell;_INT_Format_Error: ; Format error 14 BSR.W _INT_Interrupt_Shell ; Branch to interrupt shell;_INT_Uninitialized_Int: ; Uninitialized interrupt 15 BSR.W _INT_Interrupt_Shell ; Branch to interrupt shell;_INT_Reserved_0: ; Reserved 0 16 BSR.W _INT_Interrupt_Shell ; Branch to interrupt shell;_INT_Reserved_1: ; Reserved 1 17 BSR.W _INT_Interrupt_Shell ; Branch to interrupt shell;_INT_Reserved_2: ; Reserved 2 18 BSR.W _INT_Interrupt_Shell ; Branch to interrupt shell;_INT_Reserved_3: ; Reserved 3 19 BSR.W _INT_Interrupt_Shell ; Branch to interrupt shell;_INT_Reserved_4: ; Reserved 4 20 BSR.W _INT_Interrupt_Shell ; Branch to interrupt shell;_INT_Reserved_5: ; Reserved 5 21 BSR.W _INT_Interrupt_Shell ; Branch to interrupt shell;_INT_Reserved_6: ; Reserved 6 22 BSR.W _INT_Interrupt_Shell ; Branch to interrupt shell;_INT_Reserved_7: ; Reserved 7 23 BSR.W _INT_Interrupt_Shell ; Branch to interrupt shell;_INT_Spurious: ; Spurious interrupt 24 BSR.W _INT_Interrupt_Shell ; Branch to interrupt shell;_INT_Level_1_Auto: ; Level 1 Autovector 25 BSR.W _INT_Interrupt_Shell ; Branch to interrupt shell;_INT_Level_2_Auto: ; Level 2 Autovector 26 BSR.W _INT_Interrupt_Shell ; Branch to interrupt shell;_INT_Level_3_Auto: ; Level 3 Autovector 27 BSR.W _INT_Interrupt_Shell ; Branch to interrupt shell;_INT_Level_4_Auto: ; Level 4 Autovector 28 BSR.W _INT_Interrupt_Shell ; Branch to interrupt shell;_INT_Level_5_Auto: ; Level 5 Autovector 29⌨️ 快捷键说明
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