mirror of
https://github.com/wwarthen/RomWBW.git
synced 2026-02-06 14:11:48 -06:00
Update dmamon.asm
This commit is contained in:
@@ -12,12 +12,26 @@ DMAMODE_Z180 .EQU 2 ; Z180 INTEGRATED DMA
|
||||
DMAMODE_Z280 .EQU 3 ; Z280 INTEGRATED DMA
|
||||
DMAMODE_RC .EQU 4 ; RCBUS Z80 DMA
|
||||
DMAMODE_MBC .EQU 5 ; MBC
|
||||
DMAMODE_VDG .EQU 6 ; VELESOFT DATAGEAR
|
||||
DMAMODE_DUO .EQU 6 ; DUO
|
||||
DMAMODE_VDG .EQU 7 ; VELESOFT DATAGEAR
|
||||
;
|
||||
DMAMODE .EQU DMAMODE_DUO ; SELECT DMA DEVICE FOR TESTING
|
||||
;
|
||||
;==================================================================================================
|
||||
; SOME DEFAULT PLATFORM CONFIGURATIONS
|
||||
;==================================================================================================
|
||||
;
|
||||
DMABASE .EQU $E0 ; DMA: DMA BASE ADDRESS
|
||||
DMAMODE .EQU DMAMODE_MBC ; SELECT DMA DEVICE FOR TESTING
|
||||
DMALATCH .EQU DMABASE+1 ; DMA: DMA LATCH ADDRESS
|
||||
DMAIOTST .EQU $68 ; AN OUTPUT PORT FOR TESTING - 16C450 SERIAL OUT
|
||||
;
|
||||
#IF (DMAMODE==DMAMODE_DUO)
|
||||
DMABASE .SET $40 ; DMA: DMA0 BASE ADDRESS
|
||||
;DMABASE .SET $41 ; DMA: DMA1 BASE ADDRESS
|
||||
DMALATCH .SET $43 ; DMA: DMA LATCH ADDRESS
|
||||
DMAIOTST .SET $58 ; AN OUTPUT PORT FOR TESTING - 16C450 SERIAL OUT
|
||||
#ENDIF
|
||||
;
|
||||
;==================================================================================================
|
||||
; HELPER MACROS AND EQUATES
|
||||
;==================================================================================================
|
||||
@@ -156,17 +170,17 @@ MENULP1:
|
||||
CP 'N'
|
||||
JP Z,DMATST_N ; MEMORY COPY ITER
|
||||
CP '0'
|
||||
JP Z,DMATST_01
|
||||
JP Z,DMATST_0 ; PULSE DMA PORT
|
||||
CP '1'
|
||||
JP Z,DMATST_1 ; PULSE LATCH PORT
|
||||
CP 'O'
|
||||
JP Z,DMATST_O
|
||||
#IF !(DMAMODE==DMAMODE_VDG)
|
||||
CP '1'
|
||||
JP Z,DMATST_01
|
||||
CP 'R'
|
||||
JP Z,DMATST_R ; TOGGLE RESET
|
||||
CP 'Y'
|
||||
JP Z,DMATST_Y ; TOGGLE READY
|
||||
#ENDIF
|
||||
JP Z,DMATST_Y
|
||||
cp 'L'
|
||||
jp z,DMACFG_L ; SET LATCH PORT
|
||||
cp 'S'
|
||||
jp z,DMACFG_S ; SET PORT
|
||||
cp 'V'
|
||||
@@ -197,12 +211,17 @@ DMABYE:
|
||||
;
|
||||
DMACFG_S:
|
||||
call PRTSTRD
|
||||
.db "\n\rSet port address\n\rPort:$"
|
||||
.db "\n\rSet DMA port address\n\rPort:$"
|
||||
call HEXIN
|
||||
ld hl,dmaport
|
||||
ld (hl),a
|
||||
inc hl
|
||||
inc a
|
||||
jp MENULP
|
||||
;
|
||||
DMACFG_L:
|
||||
call PRTSTRD
|
||||
.db "\n\rSet Latch port address\n\rPort:$"
|
||||
call HEXIN
|
||||
ld hl,dmalach
|
||||
ld (hl),a
|
||||
jp MENULP
|
||||
;
|
||||
@@ -234,11 +253,17 @@ DMATST_N:
|
||||
CALL DMAMemTestIter
|
||||
JP MENULP
|
||||
;
|
||||
DMATST_01:
|
||||
DMATST_0:
|
||||
call PRTSTRD
|
||||
.db "\n\rPerforming Port Selection Test\n\r$"
|
||||
CALL DMA_Port01
|
||||
JP MENULP
|
||||
.db "\n\rPerforming DMA Port Selection Test\n\r$"
|
||||
CALL DMA_Port0
|
||||
ret
|
||||
|
||||
DMATST_1:
|
||||
call PRTSTRD
|
||||
.db "\n\rPerforming Latch Port Selection Test\n\r$"
|
||||
CALL DMA_Port1
|
||||
ret
|
||||
;
|
||||
DMATST_O:
|
||||
call PRTSTRD
|
||||
@@ -255,7 +280,7 @@ DMATST_D:
|
||||
DMATST_Y:
|
||||
call PRTSTRD
|
||||
.db "\n\rPerforming Ready Bit Test\n\r$"
|
||||
CALL DMA_ReadyT
|
||||
CALL DMA_ReadyY
|
||||
JP MENULP
|
||||
;
|
||||
DMATST_R:
|
||||
@@ -289,6 +314,10 @@ DISPM: call PRTSTRD
|
||||
.db ", Port=0x$"
|
||||
LD A,(dmaport) ; DISPLAY
|
||||
CALL PRTHEXBYTE ; DMA PORT
|
||||
call PRTSTRD
|
||||
.db ", Latch Port=0x$"
|
||||
ld A,(dmalach)
|
||||
CALL PRTHEXBYTE ; DMA PORT
|
||||
;
|
||||
#IF (INTENABLE)
|
||||
;
|
||||
@@ -351,7 +380,7 @@ DMA_INIT:
|
||||
CALL PRTHEXBYTE
|
||||
;
|
||||
#IF !(DMAMODE==DMAMODE_VDG)
|
||||
ld a,(dmautil)
|
||||
ld a,(dmalach)
|
||||
ld c,a
|
||||
LD A,DMA_FORCE
|
||||
out (c),a ; force ready off
|
||||
@@ -417,6 +446,7 @@ DMA_DEV_STR:
|
||||
.TEXT "Z280$"
|
||||
.TEXT "RCBUS$"
|
||||
.TEXT "MBC$"
|
||||
.TEXT "DUODYNE$"
|
||||
.TEXT "DATAGEAR$"
|
||||
;
|
||||
DMA_SPD_STR:
|
||||
@@ -483,7 +513,7 @@ DMABUF .TEXT "0123456789abcdef"
|
||||
DMA_ReadyO:
|
||||
call PRTSTRD
|
||||
.db "\r\nOutputing string to port 0x$"
|
||||
ld a,DMAIOTST
|
||||
ld a,(tstport)
|
||||
call PRTHEXBYTE
|
||||
call NEWLINE
|
||||
;
|
||||
@@ -491,7 +521,7 @@ DMA_ReadyO:
|
||||
IOLoop: push bc
|
||||
call NEWLINE
|
||||
ld hl,DMABUF
|
||||
ld a,DMAIOTST
|
||||
ld a,(tstport)
|
||||
ld bc,16
|
||||
;
|
||||
call DMAOTIR
|
||||
@@ -502,16 +532,17 @@ IOLoop: push bc
|
||||
ret
|
||||
;
|
||||
;==================================================================================================
|
||||
; PULSE PORT (COMMON ROUTINE WHERE A CONTAINS THE ASCII PORT OFFSET)
|
||||
; PULSE PORT
|
||||
;==================================================================================================
|
||||
;
|
||||
DMA_Port01:
|
||||
DMA_Port0:
|
||||
ld a,(dmaport)
|
||||
jr DMA_Port
|
||||
DMA_Port1:
|
||||
ld a,(dmalach)
|
||||
DMA_Port:
|
||||
call PRTSTRD
|
||||
.db "\r\nPulsing port 0x$"
|
||||
sub '0' ; Calculate
|
||||
ld c,a
|
||||
ld a,(dmaport) ; Port to
|
||||
add a,c
|
||||
call PRTHEXBYTE
|
||||
call NEWLINE
|
||||
ld c,a ; toggle
|
||||
@@ -543,12 +574,9 @@ dlylp: dec bc
|
||||
; TOGGLE READY BIT
|
||||
;==================================================================================================
|
||||
;
|
||||
DMA_ReadyT:
|
||||
DMA_ReadyY:
|
||||
call NEWLINE
|
||||
#IF !(DMAMODE==DMAMODE_VDG)
|
||||
|
||||
#ENDIF
|
||||
ld a,(dmautil)
|
||||
ld a,(dmalach)
|
||||
ld c,a ; toggle
|
||||
ld b,$20 ; loop counter
|
||||
portlp2:push bc
|
||||
@@ -558,14 +586,12 @@ portlp2:push bc
|
||||
.db ": ON$"
|
||||
call delay
|
||||
ld a,$FF
|
||||
; ld c,DMABASE+1
|
||||
out (c),a
|
||||
call PRTSTRD
|
||||
.db " -> OFF$"
|
||||
call delay
|
||||
call PRTSTRD
|
||||
.db "\r \r$"
|
||||
; ld c,DMABASE+1
|
||||
ld a,0
|
||||
out (c),a
|
||||
pop bc
|
||||
@@ -1169,8 +1195,9 @@ CST:
|
||||
USEINT .DB FALSE ; USE INTERRUPTS FLAG
|
||||
counter .dw 0
|
||||
dmaport .db DMABASE
|
||||
dmautil .db DMABASE+1
|
||||
dmalach .db DMALATCH
|
||||
dmaxfer .db DMA_XMODE
|
||||
tstport .db DMAIOTST
|
||||
dmavbs .db 0
|
||||
SAVSTK: .DW 2
|
||||
.FILL 64
|
||||
|
||||
Reference in New Issue
Block a user