mirror of
https://github.com/A2osX/A2osX.git
synced 2024-11-20 03:31:42 +00:00
51 lines
1.2 KiB
Plaintext
51 lines
1.2 KiB
Plaintext
NEW
|
||
AUTO 3,1
|
||
* object code = ram_1
|
||
*
|
||
* /RAM installer - transfer part of the driver to the aux bank
|
||
* and front part of the driver to the main bank (language card).
|
||
|
||
RAM_1 .BS $2C80-*
|
||
|
||
ldy #$99 move $9A bytesfrom lcsrc to lcdest.
|
||
|
||
.1 lda lcsrc,y transfer main bank portion of driver
|
||
sta lcdest,y
|
||
dey
|
||
cpy #$FF
|
||
bne .1
|
||
|
||
ldx #ramsrc set up to move aux portion of driver
|
||
stx A1L
|
||
dex
|
||
stx A2L
|
||
ldx ramsrc
|
||
stx A1L+1
|
||
inx
|
||
stx A2L+1
|
||
lda #ramdest
|
||
sta A4L
|
||
lda /ramdest ramsrc to ramdest
|
||
sta A4L+1
|
||
sec irection = to aux bank.
|
||
jsr auxmove move aux bank portion of driver.
|
||
|
||
lda #lcdest put driver address into
|
||
sta drivertbl2+6 slot 3, drive 2.
|
||
lda /lcdest
|
||
sta drivertbl2+7
|
||
|
||
inc numdevs count (-1) active devices
|
||
ldx numdevs
|
||
lda #$BF unit num of /RAM
|
||
sta devlist,x
|
||
rts end of obj ram_1
|
||
|
||
RAM_1_END .EQ * end of /RAM installer
|
||
.BS 256-* pad 0's to page boundary
|
||
*--------------------------------------
|
||
MAN
|
||
SAVE USR/SRC/PRODOS.203/PRODOS.S.RAMI
|
||
LOAD USR/SRC/PRODOS.203/PRODOS.S
|
||
ASM
|