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Merge pull request #625 from ops/VIAFIX

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VIC-20: Add missing VIA register names
This commit is contained in:
Oliver Schmidt
2018-04-18 17:09:35 +02:00
committed by GitHub
parent e235ac2a0e 7b1db91d36
commit 53df4da8e8
3 changed files with 45 additions and 19 deletions
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45
asminc/vic20.inc
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@@ -66,16 +66,43 @@ VIC_COLOR := $900F ; Border and background color
; ---------------------------------------------------------------------------
; I/O: 6522 VIA1
VIA1 := $9110
VIA1_JOY := $9111
VIA1_DDRB := $9112
VIA1_DDRA := $9113
VIA1 := $9110 ; VIA1 base address
VIA1_JOY := VIA1+$0 ; *** Deprecated ***
VIA1_PB := VIA1+$0 ; Port register B
VIA1_PA1 := VIA1+$1 ; Port register A
VIA1_DDRB := VIA1+$2 ; Data direction register B
VIA1_DDRA := VIA1+$3 ; Data direction register A
VIA1_T1CL := VIA1+$4 ; Timer 1, low byte
VIA1_T1CH := VIA1+$5 ; Timer 1, high byte
VIA1_T1LL := VIA1+$6 ; Timer 1 latch, low byte
VIA1_T1LH := VIA1+$7 ; Timer 1 latch, high byte
VIA1_T2CL := VIA1+$8 ; Timer 2, low byte
VIA1_T2CH := VIA1+$9 ; Timer 2, high byte
VIA1_SR := VIA1+$A ; Shift register
VIA1_CR := VIA1+$B ; Auxiliary control register
VIA1_PCR := VIA1+$C ; Peripheral control register
VIA1_IFR := VIA1+$D ; Interrupt flag register
VIA1_IER := VIA1+$E ; Interrupt enable register
VIA1_PA2 := VIA1+$F ; Port register A w/o handshake
; ---------------------------------------------------------------------------
; I/O: 6522 VIA2
VIA2 := $9120
VIA2_JOY := $9120
VIA2_DDRB := $9122
VIA2_DDRA := $9123
VIA2 := $9120 ; VIA2 base address
VIA2_JOY := VIA2+$0 ; *** Deprecated ***
VIA2_PB := VIA2+$0 ; Port register B
VIA2_PA1 := VIA2+$1 ; Port register A
VIA2_DDRB := VIA2+$2 ; Data direction register B
VIA2_DDRA := VIA2+$3 ; Data direction register A
VIA2_T1CL := VIA2+$4 ; Timer 1, low byte
VIA2_T1CH := VIA2+$5 ; Timer 1, high byte
VIA2_T1LL := VIA2+$6 ; Timer 1 latch, low byte
VIA2_T1LH := VIA2+$7 ; Timer 1 latch, high byte
VIA2_T2CL := VIA2+$8 ; Timer 2, low byte
VIA2_T2CH := VIA2+$9 ; Timer 2, high byte
VIA2_SR := VIA2+$A ; Shift register
VIA2_CR := VIA2+$B ; Auxiliary control register
VIA2_PCR := VIA2+$C ; Peripheral control register
VIA2_IFR := VIA2+$D ; Interrupt flag register
VIA2_IER := VIA2+$E ; Interrupt enable register
VIA2_PA2 := VIA2+$F ; Port register A w/o handshake