📄 e2prom.lis
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0000 ENDIF
0000 macro RAM_CHANGE_PAGE_MODE( MODE )
0000 IF ( SYSTEM_LARGE_MEMORY_MODEL )
0000 and F, ~FLAG_PGMODE_MASK ; NOTE: transition thru 00b state
0000 or F, FLAG_PGMODE_MASK & @MODE
0000 ENDIF
0000 macro RAM_SET_NATIVE_PAGING
0000 IF ( SYSTEM_LARGE_MEMORY_MODEL )
0000 IF ( SYSTEM_IDXPG_TRACKS_STK_PP )
0000 or F, FLAG_PGMODE_11b ; LMM w/ IndexPage<==>StackPage
0000 ENDIF ; PGMODE LOCKED
0000 IF ( SYSTEM_IDXPG_TRACKS_IDX_PP )
0000 or F, FLAG_PGMODE_10b ; LMM with independent IndexPage
0000 ENDIF ; PGMODE FREE
0000 ENDIF ; SYSTEM_LARGE_MEMORY_MODEL
0000 macro RAM_RESTORE_NATIVE_PAGING
0000 IF ( SYSTEM_LARGE_MEMORY_MODEL )
0000 IF ( SYSTEM_IDXPG_TRACKS_STK_PP )
0000 RAM_CHANGE_PAGE_MODE FLAG_PGMODE_11b ; LMM w/ IndexPage<==>StackPage
0000 ENDIF ; PGMODE LOCKED
0000 IF ( SYSTEM_IDXPG_TRACKS_IDX_PP )
0000 RAM_CHANGE_PAGE_MODE FLAG_PGMODE_10b ; LMM with independent IndexPage
0000 ENDIF ; PGMODE FREE
0000 ENDIF ; SYSTEM_LARGE_MEMORY_MODEL
0000 macro RAM_X_POINTS_TO_STACKPAGE
0000 IF ( SYSTEM_LARGE_MEMORY_MODEL )
0000 or F, FLAG_PGMODE_01b
0000 ENDIF ; SYSTEM_LARGE_MEMORY_MODEL
0000 macro RAM_X_POINTS_TO_INDEXPAGE
0000 IF ( SYSTEM_LARGE_MEMORY_MODEL )
0000 and F, ~FLAG_PGMODE_01b
0000 ENDIF ; SYSTEM_LARGE_MEMORY_MODEL
0000 macro RAM_PROLOGUE( ACTUAL_CLASS )
0000
0000 IF ( @ACTUAL_CLASS & RAM_USE_CLASS_1 )
0000 ; Nothing to do
0000 ENDIF ; RAM_USE_CLASS_1
0000
0000 IF ( @ACTUAL_CLASS & RAM_USE_CLASS_2 )
0000 IF ( SYSTEM_IDXPG_TRACKS_IDX_PP )
0000 RAM_X_POINTS_TO_STACKPAGE ; exit native paging mode!
0000 ENDIF
0000 ENDIF ; RAM_USE_CLASS_2
0000
0000 IF ( @ACTUAL_CLASS & RAM_USE_CLASS_3 )
0000 IF ( SYSTEM_IDXPG_TRACKS_STK_PP )
0000 RAM_X_POINTS_TO_INDEXPAGE ; exit native paging mode!
0000 ENDIF
0000 ENDIF ; RAM_USE_CLASS_3
0000
0000 IF ( @ACTUAL_CLASS & RAM_USE_CLASS_4 )
0000 ; Nothing to do
0000 ENDIF ; RAM_USE_CLASS_4
0000
0000 macro RAM_EPILOGUE( ACTUAL_CLASS )
0000
0000 IF ( @ACTUAL_CLASS & RAM_USE_CLASS_1 )
0000 ; Nothing to do
0000 ENDIF ; RAM_USE_CLASS_1
0000
0000 IF ( @ACTUAL_CLASS & RAM_USE_CLASS_2 )
0000 RAM_RESTORE_NATIVE_PAGING
0000 ENDIF ; RAM_USE_CLASS_2
0000
0000 IF ( @ACTUAL_CLASS & RAM_USE_CLASS_3 )
0000 RAM_RESTORE_NATIVE_PAGING
0000 ENDIF ; RAM_USE_CLASS_3
0000
0000 IF ( @ACTUAL_CLASS & RAM_USE_CLASS_4 )
0000 ; Nothing to do
0000 ENDIF ; RAM_USE_CLASS_4
0000
0000 macro REG_PRESERVE( IOReg )
0000 mov A, reg[ @IOReg ]
0000 push A
0000 macro REG_RESTORE( IOReg )
0000 pop A
0000 mov reg[ @IOReg ], A
0000 macro ISR_PRESERVE_PAGE_POINTERS
0000 IF ( SYSTEM_LARGE_MEMORY_MODEL )
0000 REG_PRESERVE CUR_PP
0000 REG_PRESERVE IDX_PP
0000 REG_PRESERVE MVR_PP
0000 REG_PRESERVE MVW_PP
0000 ENDIF
0000 macro ISR_RESTORE_PAGE_POINTERS
0000 IF ( SYSTEM_LARGE_MEMORY_MODEL )
0000 REG_RESTORE MVW_PP
0000 REG_RESTORE MVR_PP
0000 REG_RESTORE IDX_PP
0000 REG_RESTORE CUR_PP
0000 ENDIF
export E2PROM_Start
export _E2PROM_Start
export E2PROM_Stop
export _E2PROM_Stop
export E2PROM_bE2Write
export _E2PROM_bE2Write
export E2PROM_E2Read
export _E2PROM_E2Read
export E2PROM_RESERVED
;-----------------------------------------------------------------
; Allocate the E2PROM EEPROM device in Flash memory
; This will allow the linker to perform memory collision
; checking and the EEPROM device will be displayed in the
; map file.
; Note that this memory region can also be accessed from "C".
;-----------------------------------------------------------------
AREA E2PROM_AREA (ROM,ABS,CON)
ORG E2PROM_START_ADDR
3FC0 _E2PROM_RESERVED::
3FC0 E2PROM_RESERVED:: blkb 40h
4000
4000
AREA UserModules (ROM,REL)
;-----------------------------------------------------------------------------
; FUNCTION NAME: E2PROM_Start
;
; DESCRIPTION:
; Start routine for the E2PROM user module. This routine is
; a place holder for conformance and consistency.
;-----------------------------------------------------------------------------
;
; ARGUMENTS:
; None
;
; RETURNS:
; None
;
; SIDE EFFECTS:
; The A and X registers may be modified by this or future implementations
; of this function. The same is true for all RAM page pointer registers in
; the Large Memory Model. When necessary, it is the calling function's
; responsibility to perserve their values across calls to fastcall16
; functions.
;
0000 .SECTION
0000
0000 E2PROM_Start:
0000 _E2PROM_Start:
IF ( RAM_USE_CLASS_1 & RAM_USE_CLASS_1 )
; Nothing to do
ENDIF ; RAM_USE_CLASS_1
IF ( RAM_USE_CLASS_1 & RAM_USE_CLASS_2 )
IF ( SYSTEM_IDXPG_TRACKS_IDX_PP )
IF ( SYSTEM_LARGE_MEMORY_MODEL )
or F, FLAG_PGMODE_01b
ENDIF ; SYSTEM_LARGE_MEMORY_MODEL
ENDIF
ENDIF ; RAM_USE_CLASS_2
IF ( RAM_USE_CLASS_1 & RAM_USE_CLASS_3 )
IF ( SYSTEM_IDXPG_TRACKS_STK_PP )
IF ( SYSTEM_LARGE_MEMORY_MODEL )
and F, ~FLAG_PGMODE_01b
ENDIF ; SYSTEM_LARGE_MEMORY_MODEL
ENDIF
ENDIF ; RAM_USE_CLASS_3
IF ( RAM_USE_CLASS_1 & RAM_USE_CLASS_4 )
; Nothing to do
ENDIF ; RAM_USE_CLASS_4
IF ( RAM_USE_CLASS_1 & RAM_USE_CLASS_1 )
; Nothing to do
ENDIF ; RAM_USE_CLASS_1
IF ( RAM_USE_CLASS_1 & RAM_USE_CLASS_2 )
IF ( SYSTEM_LARGE_MEMORY_MODEL )
IF ( SYSTEM_IDXPG_TRACKS_STK_PP )
IF ( SYSTEM_LARGE_MEMORY_MODEL )
and F, ~FLAG_PGMODE_MASK ; NOTE: transition thru 00b state
or F, FLAG_PGMODE_MASK & FLAG_PGMODE_11b
ENDIF
ENDIF ; PGMODE LOCKED
IF ( SYSTEM_IDXPG_TRACKS_IDX_PP )
IF ( SYSTEM_LARGE_MEMORY_MODEL )
and F, ~FLAG_PGMODE_MASK ; NOTE: transition thru 00b state
or F, FLAG_PGMODE_MASK & FLAG_PGMODE_10b
ENDIF
ENDIF ; PGMODE FREE
ENDIF ; SYSTEM_LARGE_MEMORY_MODEL
ENDIF ; RAM_USE_CLASS_2
IF ( RAM_USE_CLASS_1 & RAM_USE_CLASS_3 )
IF ( SYSTEM_LARGE_MEMORY_MODEL )
IF ( SYSTEM_IDXPG_TRACKS_STK_PP )
IF ( SYSTEM_LARGE_MEMORY_MODEL )
and F, ~FLAG_PGMODE_MASK ; NOTE: transition thru 00b state
or F, FLAG_PGMODE_MASK & FLAG_PGMODE_11b
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