eaw/tranZPUter
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Changes to the serialiser in order to get the pixel mapped graphics working - needs more changes as it isnt reliable at 4MHz mainboard frequency

Browse Source
This commit is contained in:
Philip Smart
2020-09-08 11:55:01 +01:00
parent 0b40f88088
commit 192fc439d4
3 changed files with 74 additions and 25 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
CPLD/tranZPUterSW.vhd
View File

@@ -160,6 +160,7 @@ architecture rtl of cpld512 is
signal VM_MEM_CSn : std_logic;
signal VM_IORQn : std_logic;
signal OUTBUF : std_logic_vector(11 downto 0);
signal OUTCOUNT : integer range 0 to 3;
-- Z80 Wait Insert generator when I/O ports in region > 0XE0 are accessed to give the K64F time to proces them.
--signal REQ_WAITn : std_logic;

BIN
software/MZF/sharpmz-test.MZF
View File

Binary file not shown.

98
software/asm/sharpmz-test.asm
View File

@@ -14,9 +14,10 @@
;- 4. Graphics RAM Test
;-
;- Credits:
;- Copyright: (c) 2018 Philip Smart <philip.smart@net2net.org>
;- Copyright: (c) 2018-20 Philip Smart <philip.smart@net2net.org>
;-
;- History: October 2018 - Merged 2 utilities to create this compilation.
;- History: October 2018 - Merged 2 utilities to create this compilation.
;- September 2020 - Updated to enable testing of the Video Module v2.0
;-
;--------------------------------------------------------------------------------------------------------
;- This source file is free software: you can redistribute it and-or modify
@@ -64,12 +65,48 @@ MEMSTART: EQU 01200h
GRAMSTART: EQU 0C000h
GRAMEND: EQU 0FFFFh
MSTART: EQU 0BF00h
GRCTL: EQU 0C8h
GRREDFLT: EQU 0C9h
GRGRNFLT: EQU 0CAh
GRBLUFLT: EQU 0CBh
GRENABLE: EQU 0CCh
GRDISABLE: EQU 0CDh
;-----------------------------------------------
; IO ports in hardware and values.
;-----------------------------------------------
MMCFG EQU 060H ; Memory management configuration latch.
SETXMHZ EQU 062H ; Select the alternate clock frequency.
SET2MHZ EQU 064H ; Select the system 2MHz clock frequency.
CLKSELRD EQU 066H ; Read clock selected setting, 0 = 2MHz, 1 = XMHz
SVCREQ EQU 068H ; I/O Processor service request.
CPLDCFG EQU 06EH ; Version 2.1 CPLD configuration register.
CPLDSTATUS EQU 06EH ; Version 2.1 CPLD status register.
CPLDINFO EQU 06FH ; Version 2.1 CPLD version information register.
SYSCTRL EQU 0F0H ; System board control register. [2:0] - 000 MZ80A Mode, 2MHz CPU/Bus, 001 MZ80B Mode, 4MHz CPU/Bus, 010 MZ700 Mode, 3.54MHz CPU/Bus.
GRAMMODE EQU 0F4H ; MZ80B Graphics mode. Bit 0 = 0, Write to Graphics RAM I, Bit 0 = 1, Write to Graphics RAM II. Bit 1 = 1, blend Graphics RAM I output on display, Bit 2 = 1, blend Graphics RAM II output on display.
VMCTRL EQU 0F8H ; Video Module control register. [2:0] - 000 (default) = MZ80A, 001 = MZ-700, 010 = MZ800, 011 = MZ80B, 100 = MZ80K, 101 = MZ80C, 110 = MZ1200, 111 = MZ2000. [3] = 0 - 40 col, 1 - 80 col.
VMGRMODE EQU 0F9H ; Video Module graphics mode. 7/6 = Operator (00=OR,01=AND,10=NAND,11=XOR), 5=GRAM Output Enable, 4 = VRAM Output Enable, 3/2 = Write mode (00=Page 1:Red, 01=Page 2:Green, 10=Page 3:Blue, 11=Indirect), 1/0=Read mode (00=Page 1:Red, 01=Page2:Green, 10=Page 3:Blue, 11=Not used).
VMREDMASK EQU 0FAH ; Video Module Red bit mask (1 bit = 1 pixel, 8 pixels per byte).
VMGREENMASK EQU 0FBH ; Video Module Green bit mask (1 bit = 1 pixel, 8 pixels per byte).
VMBLUEMASK EQU 0FCH ; Video Module Blue bit mask (1 bit = 1 pixel, 8 pixels per byte).
VMPAGE EQU 0FDH ; Video Module memory page register. [1:0] switches in 1 16Kb page (3 pages) of graphics ram to C000 - FFFF. Bits [1:0] = page, 00 = off, 01 = Red, 10 = Green, 11 = Blue. This overrides all MZ700/MZ80B page switching functions. [7] 0 - normal, 1 - switches in CGROM for upload at D000:DFFF.
;-----------------------------------------------
; Video Module control bits.
;-----------------------------------------------
MODE_80CHAR EQU 008H ; Enable 80 character display.
MODE_COLOUR EQU 010H ; Enable colour display.
SYSMODE_MZ80A EQU 000H ; System board mode MZ80A, 2MHz CPU/Bus.
SYSMODE_MZ80B EQU 001H ; System board mode MZ80B, 4MHz CPU/Bus.
SYSMODE_MZ700 EQU 002H ; System board mode MZ700, 3.54MHz CPU/Bus.
VMMODE_MZ80A EQU 000H ; Video mode = MZ80A
VMMODE_MZ700 EQU 001H ; Video mode = MZ700
VMMODE_MZ800 EQU 002H ; Video mode = MZ800
VMMODE_MZ80B EQU 003H ; Video mode = MZ80B
VMMODE_MZ80K EQU 004H ; Video mode = MZ80K
VMMODE_MZ80C EQU 005H ; Video mode = MZ80C
VMMODE_MZ1200 EQU 006H ; Video mode = MZ1200
VMMODE_MZ2000 EQU 007H ; Video mode = MZ2000
VMMODE_PCGRAM EQU 020H ; Enable PCG RAM.
VMMODE_VGA_OFF EQU 000H ; Set VGA mode off, external monitor is driven by standard internal signals.
VMMODE_VGA_640x480 EQU 040H ; Set external monitor to VGA 640x480 @ 60Hz mode.
VMMODE_VGA_1024x768 EQU 080H ; Set external monitor to VGA 1024x768 @ 60Hz mode.
VMMODE_VGA_800x600 EQU 0C0H ; Set external monitor to VGA 800x600 @ 60Hz mode.
ORG TPSTART
@@ -115,8 +152,11 @@ BUFER: DS virtual 81 ; GET L
; Graphics Initialisation. Needs to be in memory before C000-FFFF
;
GRAMINIT: OUT (GRCTL),A
OUT (GRENABLE),A
; Video Module memory page register. [1:0] switches in 1 16Kb page (3 pages) of graphics ram to C000 - FFFF.
; Bits [1:0] = page, 00 = off, 01 = Red, 10 = Green, 11 = Blue. This overrides all MZ700/MZ80B page switching functions. [7] 0 - normal, 1 - switches in CGROM for upload at D000:DFFF.
GRAMINIT: OUT (VMGRMODE),A
LD A,001H
OUT (VMPAGE),A
GRAM0: LD HL,GRAMSTART
LD BC,GRAMEND - GRAMSTART
GRAM1: LD A,000h
@@ -126,13 +166,15 @@ GRAM1: LD A,000h
LD A,B
OR C
JR NZ,GRAM1
OUT (GRDISABLE),A
LD A,0
OUT (VMPAGE),A
RET
; Graphics Test. Needs to be in memory before C000-FFFF
;
GRAMTEST: OUT (GRCTL),A
OUT (GRENABLE),A
GRAMTEST: OUT (VMGRMODE),A
LD A,001H
OUT (VMPAGE),A
LD E,080h
GRAMTEST0: LD HL,GRAMSTART
LD BC,GRAMEND - GRAMSTART
@@ -146,7 +188,8 @@ GRAMTEST1: LD A,E
SRL E
JR NZ,GRAMTEST0
JR C,GRAMTEST0
OUT (GRDISABLE),A
LD A,0
OUT (VMPAGE),A
RET
; Graphics Test routine.
@@ -164,24 +207,26 @@ GRAPHICS: LD A,000h
LD A,00Ah
CALL GRAMTEST
LD A,0AAh ; Set Red filter.
OUT (GRREDFLT),A
OUT (VMREDMASK),A
LD A,055h ; Set Green filter.
OUT (GRGRNFLT),A
OUT (VMGREENMASK),A
LD A,0FFh ; Set Blue filter.
OUT (GRBLUFLT),A
OUT (VMBLUEMASK),A
LD A, 00Ch ; Set graphics mode to Indirect Page write.
CALL GRAMTEST
LD A, 0CCh ; Set graphics mode to Indirect Page write.
OUT (GRCTL),A
OUT (VMGRMODE),A
JR GETL1
; Graphics progress bar indicator. Needs to be in memory before C000-FFFF
;
GRPHIND: LD HL,(GRPHPOS) ; Get position of graphics progress line.
OUT (GRENABLE),A ; Enable graphics memory.
LD A,001H
OUT (VMPAGE),A ; Enable graphics memory.
LD A,0FFh
LD (HL),A
OUT (GRDISABLE),A; Disable graphics memory.
LD A,0
OUT (VMPAGE),A ; Disable graphics memory.
INC HL
LD (GRPHPOS),HL
RET
@@ -190,7 +235,10 @@ GRPHIND: LD HL,(GRPHPOS) ; Get position of graphics progress line.
;
; Start of main program.
;
START: CALL LETNL
START: LD A,0 ; MODE_COLOUR ; Setup for standard monitor, colour mode.
OUT (VMCTRL),A
;
CALL LETNL
LD DE,TITLE
CALL MSG
CALL LETNL
@@ -200,11 +248,11 @@ INITGRPH: LD DE,MSG_INITGR
CALL MSG
CALL LETNL
LD A,0FFh ; Set Red filter.
OUT (GRREDFLT),A
OUT (VMREDMASK),A
LD A,000h ; Set Green filter.
OUT (GRGRNFLT),A
OUT (VMGREENMASK),A
LD A,000h ; Set Blue filter.
OUT (GRBLUFLT),A
OUT (VMBLUEMASK),A
LD A,000h
CALL GRAMINIT
LD A,005h
@@ -212,7 +260,7 @@ INITGRPH: LD DE,MSG_INITGR
LD A,00Ah
CALL GRAMINIT
LD A, 0CCh ; Set graphics mode to Indirect Page write.
OUT (GRCTL),A
OUT (VMGRMODE),A
LD HL,0DE00h
LD (GRPHPOS),HL
;