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cbm stuff from greggs pull request

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This commit is contained in:
mrdudz
2017-12-11 19:49:14 +01:00
parent 947b09ad96
commit 8902730756
21 changed files with 936 additions and 7 deletions
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12
asminc/c128.inc
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@@ -15,7 +15,7 @@ FNAM := $BB ; Address of filename
FNAM_BANK := $C7 ; Bank for filename
KEY_COUNT := $D0 ; Number of keys in input buffer
FKEY_COUNT := $D1 ; Characters for function key
MODE := $D7 ; 40/80 column mode flag
MODE := $D7 ; 40-/80-column mode (bit 7: 80 columns)
CURS_X := $EC ; Cursor column
CURS_Y := $EB ; Cursor row
SCREEN_PTR := $E0 ; Pointer to current char in text screen
@@ -167,8 +167,14 @@ SID_Read3 := $D41C
; ---------------------------------------------------------------------------
; I/O: VDC (128 only)
VDC_INDEX := $D600
VDC_DATA := $D601
VDC_INDEX := $D600 ; register address port
VDC_DATA := $D601 ; data port
; Registers
VDC_DATA_HI = 18 ; video RAM address (big endian)
VDC_DATA_LO = 19
VDC_CSET = 28
VDC_RAM_RW = 31 ; RAM port
; ---------------------------------------------------------------------------
; I/O: Complex Interface Adapters