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46 lines
1.4 KiB
Plaintext
46 lines
1.4 KiB
Plaintext
NEW
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AUTO 3,1
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* object code = ram_1
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*
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* /RAM installer - transfer part of the driver to the aux bank
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* and front part of the driver to the main bank (language card).
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H2C80 ldy #$99 move $9A bytesfrom lcsrc to lcdest.
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H2C82 lda lcsrc,y transfer main bank portion of driver
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sta lcdest,y
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dey
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cpy #$FF
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bne H2C82
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ldx #<ramsrc set up to move aux portion of driver
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stx A1L
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dex
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stx A2L
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ldx #>ramsrc
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stx A1L+1
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inx
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stx A2L+1
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lda #<ramdest
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sta A4L
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lda #>ramdest ramsrc to ramdest
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sta A4L+1
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sec direction = to aux bank.
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jsr auxmove move aux bank portion of driver.
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lda #<lcdest put driver address into
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sta drivertbl2+6 slot 3, drive 2.
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lda #>lcdest
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sta drivertbl2+7
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inc numdevs count (-1) active devices
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ldx numdevs
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lda #$BF unit num of /RAM
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sta devlist,x
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rts end of obj ram_1
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r1_end .EQ * end of /RAM installer
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ds $D00-(r1_end-H2000) pad 0's to page boundary
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*--------------------------------------
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MAN
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LOAD USR/SRC/PRODOS.203/PRODOS.S.RAMI
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SAVE USR/SRC/PRODOS.203/PRODOS.S
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ASM
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