; ;FILE NAME: VIP-2716-PAL.ASM ;THIS IS WRITTEN FOR THE PAL VIDEO SYSTEM ; ; ;NOTE; The following has been written for the A18 assembler. ; ; ;STATE CODE MACHINE CODING OF THE VIP2K 2716 EPROM/2816 EEPROM ;THIS EPROM IS LOCATED AT LOCATION U7 ON THE VIP2K MAIN BOARD ;THIS IS THE U7 VIDEO SEQUENCER (27C26 OR 28C16) ; ;ORIGINALLY WRITTEN BY CHUCK YAKYM 8/31/2018 ;LAST UPDATED on 6/1/2019 ; ;VIP2K - AVAILABLE AND DESIGNED BY LEE HART ; ; ; REGISTER EQUIVALENTS FOR A18 0000 R0 EQU 0 0001 R1 EQU 1 0002 R2 EQU 2 0003 R3 EQU 3 0004 R4 EQU 4 0005 R5 EQU 5 0006 R6 EQU 6 0007 R7 EQU 7 0008 R8 EQU 8 0009 R9 EQU 9 000a RA EQU 10 000b RB EQU 11 000c RC EQU 12 000d RD EQU 13 000e RE EQU 14 000f RF EQU 15 ; CPU 1802 ; ; ;The following are comments are from Lee Hart and Chuck Yakym ; ;Each byte in the EPROM provides 8 control bits: ; ;Bit 7 = VSYNC bank-switches top 1K/bottom 1K half ;Bit 6 = RST 1 to reset video counter U6 ;Bit 5 = /EF1 0 during lines 64-258 ;Bit 4 = /SYNC 0 during HSYNC and VSYNC ;Bit 3 = /BLANK 0 before/after HSYNC and VSYNC ;Bit 2 = /INT 0 interrupts 1802 ;Bit 1 = /DMA 0 requests DMA-OUT ;Bit 0 = ring counter inverter; D0=/A0 ; ;8 consecutive bytes define the behavior on each scan line. ;They are sent in this order: 4 5 6 7 4 5 6 7 4 5 6 7 0 1 2 3. ;NOTE: The addressing of the 2716 EPROM isn't done normally because ;of the way the U6 Video Counter is connected to the address lines of ;the 2716 EPROM. Its address sequence is done in this order: ;XX4,XX5,XX6,XX7,XX4,XX5,XX6,XX7,XX4,XX5,XX6,XX7,XX0,XX1,XX2,XX3 ; ;DMA Pulses Explained for each line of the display: ;Right after the Interrupt is acknowledged there is a quick memory address ;change within the 2716 due to the VSYNC line which controls the A9 address ;line of the 2716. At this location that byte triggers the first DMA ;request right after the horizonal sync pulse is generated and then the ;next 12 bytes generate an additional 24 DMA pulses during the horizonal line. ;Hence, the 26 DMA pulses per horizonal line. ; ;/EF1 is LO only during the active Interrupt and display when TVON = HI (TV ON). ;At all other times /EF1 is HI. ; ;Each byte is 4 usec (two VIP2K bus cycles). Each byte sequence ;repeats once, so odd/even scan lines are the same. ;Each byte are used to generate 2 lines of video on your monitor screen. ; ;The 2K EPROM is divided into eight 256-byte Pages. Each Page ;has 32 groups of 8 bytes, and so controls 64 scan lines. ;Counter bits Q12-Q13 don't connect to the EPROM, so each Page ;repeats 4 times. Jumps between pages are controlled by VSYNC, ;RST, TVON, and by Q14 incrementing after every 4th repeat. 0000 ORG 0000H ;DURING PAGE 0 THRU PAGE 3 TVON = 0 (TV OFF) ;DATA IN PAGE 0 ;ADDRESS 0000 - 26 Black lines -- Black plus HSYNC ;NOTE: /EF1 IS SET HI FROM ADDRESS 0000 THRU 03FF 0000 3f 36 27 36 DB 3FH,36H,27H,36H,3FH,3EH,3FH,3EH 0004 3f 3e 3f 3e 0008 3f 36 27 36 DB 3FH,36H,27H,36H,3FH,3EH,3FH,3EH 000c 3f 3e 3f 3e 0010 3f 36 27 36 DB 3FH,36H,27H,36H,3FH,3EH,3FH,3EH 0014 3f 3e 3f 3e 0018 3f 36 27 36 DB 3FH,36H,27H,36H,3FH,3EH,3FH,3EH 001c 3f 3e 3f 3e 0020 3f 36 27 36 DB 3FH,36H,27H,36H,3FH,3EH,3FH,3EH 0024 3f 3e 3f 3e 0028 3f 36 27 36 DB 3FH,36H,27H,36H,3FH,3EH,3FH,3EH 002c 3f 3e 3f 3e 0030 3f 36 27 36 DB 3FH,36H,27H,36H,3FH,3EH,3FH,3EH 0034 3f 3e 3f 3e 0038 3f 36 27 36 DB 3FH,36H,27H,36H,3FH,3EH,3FH,3EH 003c 3f 3e 3f 3e 0040 3f 36 27 36 DB 3FH,36H,27H,36H,3FH,3EH,3FH,3EH 0044 3f 3e 3f 3e 0048 3f 36 27 36 DB 3FH,36H,27H,36H,3FH,3EH,3FH,3EH 004c 3f 3e 3f 3e 0050 3f 36 27 36 DB 3FH,36H,27H,36H,3FH,3EH,3FH,3EH 0054 3f 3e 3f 3e 0058 3f 36 27 36 DB 3FH,36H,27H,36H,3FH,3EH,3FH,3EH 005c 3f 3e 3f 3e 0060 3f 36 27 36 DB 3FH,36H,27H,36H,3FH,3EH,3FH,3EH 0064 3f 3e 3f 3e ;ADDRESS 0068 - VSYNC, 1st 4 lines -- BLANK plus HSYNC 0068 37 36 27 36 DB 37H,36H,27H,36H,37H,36H,37H,36H 006c 37 36 37 36 0070 37 36 27 36 DB 37H,36H,27H,36H,37H,36H,37H,36H 0074 37 36 37 36 ;ADDRESS 0078 - VSYNC, 2nd 4 lines -- VSYNC plus inverted HSYNC 0078 27 26 37 26 DB 27H,26H,37H,26H,27H,26H,27H,26H 007c 27 26 27 26 0080 27 26 37 26 DB 27H,26H,37H,26H,27H,26H,27H,26H 0084 27 26 27 26 ;ADDRESS 0088 - VSYNC, 3rd 4 lines -- BLANK plus HSYNC 0088 37 36 27 36 DB 37H,36H,27H,36H,37H,36H,37H,36H 008c 37 36 37 36 0090 37 36 27 36 DB 37H,36H,27H,36H,37H,36H,37H,36H 0094 37 36 37 36 ;ADDRESS 0098 - 24 Black lines -- Black plus HSYNC 0098 3f 36 27 36 DB 3FH,36H,27H,36H,3FH,3EH,3FH,3EH 009c 3f 3e 3f 3e 00a0 3f 36 27 36 DB 3FH,36H,27H,36H,3FH,3EH,3FH,3EH 00a4 3f 3e 3f 3e 00a8 3f 36 27 36 DB 3FH,36H,27H,36H,3FH,3EH,3FH,3EH 00ac 3f 3e 3f 3e 00b0 3f 36 27 36 DB 3FH,36H,27H,36H,3FH,3EH,3FH,3EH 00b4 3f 3e 3f 3e 00b8 3f 36 27 36 DB 3FH,36H,27H,36H,3FH,3EH,3FH,3EH 00bc 3f 3e 3f 3e 00c0 3f 36 27 36 DB 3FH,36H,27H,36H,3FH,3EH,3FH,3EH 00c4 3f 3e 3f 3e 00c8 3f 36 27 36 DB 3FH,36H,27H,36H,3FH,3EH,3FH,3EH 00cc 3f 3e 3f 3e 00d0 3f 36 27 36 DB 3FH,36H,27H,36H,3FH,3EH,3FH,3EH 00d4 3f 3e 3f 3e 00d8 3f 36 27 36 DB 3FH,36H,27H,36H,3FH,3EH,3FH,3EH 00dc 3f 3e 3f 3e 00e0 3f 36 27 36 DB 3FH,36H,27H,36H,3FH,3EH,3FH,3EH 00e4 3f 3e 3f 3e 00e8 3f 36 27 36 DB 3FH,36H,27H,36H,3FH,3EH,3FH,3EH 00ec 3f 3e 3f 3e 00f0 3f 36 27 36 DB 3FH,36H,27H,36H,3FH,3EH,3FH,3EH 00f4 3f 3e 3f 3e ;ADDRESS 00F8 - Interrupt, 2 Black lines, HSYNC, and JUMP to Page 2 ;NOTE: It is the 3BH and 32H bytes that forces the Interrupt line LO 00f8 3b 32 27 b6 DB 3BH,32H,27H,0B6H,3FH,3EH,3FH,3EH 00fc 3f 3e 3f 3e ;DATA IN PAGE 1 ;ADDRESS 0100 - Unused -- Copy Page 2 to Page 1 (just in case) 0100 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 0104 b7 b6 b7 b6 0108 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 010c b7 b6 b7 b6 0110 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 0114 b7 b6 b7 b6 0118 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 011c b7 b6 b7 b6 0120 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 0124 b7 b6 b7 b6 0128 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 012c b7 b6 b7 b6 0130 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 0134 b7 b6 b7 b6 0138 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 013c b7 b6 b7 b6 0140 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 0144 b7 b6 b7 b6 0148 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 014c b7 b6 b7 b6 0150 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 0154 b7 b6 b7 b6 0158 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 015c b7 b6 b7 b6 0160 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 0164 b7 b6 b7 b6 0168 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 016c b7 b6 b7 b6 0170 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 0174 b7 b6 b7 b6 0178 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 017c b7 b6 b7 b6 0180 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 0184 b7 b6 b7 b6 0188 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 018c b7 b6 b7 b6 0190 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 0194 b7 b6 b7 b6 0198 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 019c b7 b6 b7 b6 01a0 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 01a4 b7 b6 b7 b6 01a8 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 01ac b7 b6 b7 b6 01b0 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 01b4 b7 b6 b7 b6 01b8 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 01bc b7 b6 b7 b6 01c0 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 01c4 b7 b6 b7 b6 01c8 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 01cc b7 b6 b7 b6 01d0 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 01d4 b7 b6 b7 b6 01d8 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 01dc b7 b6 b7 b6 01e0 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 01e4 b7 b6 b7 b6 01e8 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 01ec b7 b6 b7 b6 01f0 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 01f4 b7 b6 b7 b6 01f8 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 01fc b7 b6 b7 b6 ;DATA IN PAGE 2 ;ADDRESS 0200 - 192 Black lines - BLANK plus HSYNC 0200 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 0204 b7 b6 b7 b6 0208 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 020c b7 b6 b7 b6 0210 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 0214 b7 b6 b7 b6 0218 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 021c b7 b6 b7 b6 0220 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 0224 b7 b6 b7 b6 0228 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 022c b7 b6 b7 b6 0230 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 0234 b7 b6 b7 b6 0238 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 023c b7 b6 b7 b6 0240 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 0244 b7 b6 b7 b6 0248 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 024c b7 b6 b7 b6 0250 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 0254 b7 b6 b7 b6 0258 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 025c b7 b6 b7 b6 0260 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 0264 b7 b6 b7 b6 0268 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 026c b7 b6 b7 b6 0270 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 0274 b7 b6 b7 b6 0278 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 027c b7 b6 b7 b6 0280 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 0284 b7 b6 b7 b6 0288 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 028c b7 b6 b7 b6 0290 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 0294 b7 b6 b7 b6 0298 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 029c b7 b6 b7 b6 02a0 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 02a4 b7 b6 b7 b6 02a8 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 02ac b7 b6 b7 b6 02b0 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 02b4 b7 b6 b7 b6 02b8 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 02bc b7 b6 b7 b6 02c0 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 02c4 b7 b6 b7 b6 02c8 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 02cc b7 b6 b7 b6 02d0 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 02d4 b7 b6 b7 b6 02d8 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 02dc b7 b6 b7 b6 02e0 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 02e4 b7 b6 b7 b6 02e8 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 02ec b7 b6 b7 b6 02f0 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 02f4 b7 b6 b7 b6 02f8 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 02fc b7 b6 b7 b6 ;DATA IN PAGE 3 ;ADDRESS 0300 - 6 Black lines with VSYNC 0300 bf b6 a7 b6 DB 0BFH,0B6H,0A7H,0B6H,0BFH,0BEH,0BFH,0BEH 0304 bf be bf be 0308 bf b6 a7 b6 DB 0BFH,0B6H,0A7H,0B6H,0BFH,0BEH,0BFH,0BEH 030c bf be bf be 0310 bf b6 a7 b6 DB 0BFH,0B6H,0A7H,0B6H,0BFH,0BEH,0BFH,0BEH 0314 bf be bf be ;NOTE HERE ARE THE ADDED LINE FOR THE PAL SYSTEM 0318 bf b6 a7 b6 DB 0BFH,0B6H,0A7H,0B6H,0BFH,0BEH,0BFH,0BEH 031c bf be bf be 0320 bf b6 a7 b6 DB 0BFH,0B6H,0A7H,0B6H,0BFH,0BEH,0BFH,0BEH 0324 bf be bf be 0328 bf b6 a7 b6 DB 0BFH,0B6H,0A7H,0B6H,0BFH,0BEH,0BFH,0BEH 032c bf be bf be 0330 bf b6 a7 b6 DB 0BFH,0B6H,0A7H,0B6H,0BFH,0BEH,0BFH,0BEH 0334 bf be bf be 0338 bf b6 a7 b6 DB 0BFH,0B6H,0A7H,0B6H,0BFH,0BEH,0BFH,0BEH 033c bf be bf be 0340 bf b6 a7 b6 DB 0BFH,0B6H,0A7H,0B6H,0BFH,0BEH,0BFH,0BEH 0344 bf be bf be 0348 bf b6 a7 b6 DB 0BFH,0B6H,0A7H,0B6H,0BFH,0BEH,0BFH,0BEH 034c bf be bf be 0350 bf b6 a7 b6 DB 0BFH,0B6H,0A7H,0B6H,0BFH,0BEH,0BFH,0BEH 0354 bf be bf be 0358 bf b6 a7 b6 DB 0BFH,0B6H,0A7H,0B6H,0BFH,0BEH,0BFH,0BEH 035c bf be bf be 0360 bf b6 a7 b6 DB 0BFH,0B6H,0A7H,0B6H,0BFH,0BEH,0BFH,0BEH 0364 bf be bf be 0368 bf b6 a7 b6 DB 0BFH,0B6H,0A7H,0B6H,0BFH,0BEH,0BFH,0BEH 036c bf be bf be 0370 bf b6 a7 b6 DB 0BFH,0B6H,0A7H,0B6H,0BFH,0BEH,0BFH,0BEH 0374 bf be bf be 0378 bf b6 a7 b6 DB 0BFH,0B6H,0A7H,0B6H,0BFH,0BEH,0BFH,0BEH 037c bf be bf be 0380 bf b6 a7 b6 DB 0BFH,0B6H,0A7H,0B6H,0BFH,0BEH,0BFH,0BEH 0384 bf be bf be 0388 bf b6 a7 b6 DB 0BFH,0B6H,0A7H,0B6H,0BFH,0BEH,0BFH,0BEH 038c bf be bf be 0390 bf b6 a7 b6 DB 0BFH,0B6H,0A7H,0B6H,0BFH,0BEH,0BFH,0BEH 0394 bf be bf be 0398 bf b6 a7 b6 DB 0BFH,0B6H,0A7H,0B6H,0BFH,0BEH,0BFH,0BEH 039c bf be bf be 03a0 bf b6 a7 b6 DB 0BFH,0B6H,0A7H,0B6H,0BFH,0BEH,0BFH,0BEH 03a4 bf be bf be 03a8 bf b6 a7 b6 DB 0BFH,0B6H,0A7H,0B6H,0BFH,0BEH,0BFH,0BEH 03ac bf be bf be 03b0 bf b6 a7 b6 DB 0BFH,0B6H,0A7H,0B6H,0BFH,0BEH,0BFH,0BEH 03b4 bf be bf be 03b8 bf b6 a7 b6 DB 0BFH,0B6H,0A7H,0B6H,0BFH,0BEH,0BFH,0BEH 03bc bf be bf be 03c0 bf b6 a7 b6 DB 0BFH,0B6H,0A7H,0B6H,0BFH,0BEH,0BFH,0BEH 03c4 bf be bf be 03c8 bf b6 a7 b6 DB 0BFH,0B6H,0A7H,0B6H,0BFH,0BEH,0BFH,0BEH 03cc bf be bf be 03d0 bf b6 a7 b6 DB 0BFH,0B6H,0A7H,0B6H,0BFH,0BEH,0BFH,0BEH 03d4 bf be bf be 03d8 bf b6 a7 b6 DB 0BFH,0B6H,0A7H,0B6H,0BFH,0BEH,0BFH,0BEH 03dc bf be bf be ;ADDRESS 03E0 - RESET COUNTER AND START OVER 03e0 7f 76 67 76 DB 7FH,76H,67H,76H,7FH,7EH,7FH,7EH 03e4 7f 7e 7f 7e 03e8 7f 76 67 76 DB 7FH,76H,67H,76H,7FH,7EH,7FH,7EH 03ec 7f 7e 7f 7e 03f0 7f 76 67 76 DB 7FH,76H,67H,76H,7FH,7EH,7FH,7EH 03f4 7f 7e 7f 7e 03f8 7f 76 67 76 DB 7FH,76H,67H,76H,7FH,7EH,7FH,7EH 03fc 7f 7e 7f 7e ;DURING PAGE 4 THRU PAGE 7 TVON = 1 (TV ON) ;DATA IN PAGE 4 ;ADDRESS 0400 - 26 Black lines -- Black plus HSYNC 0400 3f 36 27 36 DB 3FH,36H,27H,36H,3FH,3EH,3FH,3EH 0404 3f 3e 3f 3e 0408 3f 36 27 36 DB 3FH,36H,27H,36H,3FH,3EH,3FH,3EH 040c 3f 3e 3f 3e 0410 3f 36 27 36 DB 3FH,36H,27H,36H,3FH,3EH,3FH,3EH 0414 3f 3e 3f 3e 0418 3f 36 27 36 DB 3FH,36H,27H,36H,3FH,3EH,3FH,3EH 041c 3f 3e 3f 3e 0420 3f 36 27 36 DB 3FH,36H,27H,36H,3FH,3EH,3FH,3EH 0424 3f 3e 3f 3e 0428 3f 36 27 36 DB 3FH,36H,27H,36H,3FH,3EH,3FH,3EH 042c 3f 3e 3f 3e 0430 3f 36 27 36 DB 3FH,36H,27H,36H,3FH,3EH,3FH,3EH 0434 3f 3e 3f 3e 0438 3f 36 27 36 DB 3FH,36H,27H,36H,3FH,3EH,3FH,3EH 043c 3f 3e 3f 3e 0440 3f 36 27 36 DB 3FH,36H,27H,36H,3FH,3EH,3FH,3EH 0444 3f 3e 3f 3e 0448 3f 36 27 36 DB 3FH,36H,27H,36H,3FH,3EH,3FH,3EH 044c 3f 3e 3f 3e 0450 3f 36 27 36 DB 3FH,36H,27H,36H,3FH,3EH,3FH,3EH 0454 3f 3e 3f 3e 0458 3f 36 27 36 DB 3FH,36H,27H,36H,3FH,3EH,3FH,3EH 045c 3f 3e 3f 3e 0460 3f 36 27 36 DB 3FH,36H,27H,36H,3FH,3EH,3FH,3EH 0464 3f 3e 3f 3e ;ADDRESS 0468 - VSYNC, 1st 4 lines -- BLANK plus HSYNC 0468 37 36 27 36 DB 37H,36H,27H,36H,37H,36H,37H,36H 046c 37 36 37 36 0470 37 36 27 36 DB 37H,36H,27H,36H,37H,36H,37H,36H 0474 37 36 37 36 ;ADDRESS 0478 - VSYNC, 2nd 4 lines -- VSYNC plus inverted HSYNC 0478 27 26 37 26 DB 27H,26H,37H,26H,27H,26H,27H,26H 047c 27 26 27 26 0480 27 26 37 26 DB 27H,26H,37H,26H,27H,26H,27H,26H 0484 27 26 27 26 ;ADDRESS 0488 - VSYNC, 3rd 4 lines -- BLANK plus HSYNC 0488 37 36 27 36 DB 37H,36H,27H,36H,37H,36H,37H,36H 048c 37 36 37 36 0490 37 36 27 36 DB 37H,36H,27H,36H,37H,36H,37H,36H 0494 37 36 37 36 ;ADDRESS 0498 - 24 Black lines -- Black plus HSYNC 0498 3f 36 27 36 DB 3FH,36H,27H,36H,3FH,3EH,3FH,3EH 049c 3f 3e 3f 3e 04a0 3f 36 27 36 DB 3FH,36H,27H,36H,3FH,3EH,3FH,3EH 04a4 3f 3e 3f 3e 04a8 3f 36 27 36 DB 3FH,36H,27H,36H,3FH,3EH,3FH,3EH 04ac 3f 3e 3f 3e 04b0 3f 36 27 36 DB 3FH,36H,27H,36H,3FH,3EH,3FH,3EH 04b4 3f 3e 3f 3e 04b8 3f 36 27 36 DB 3FH,36H,27H,36H,3FH,3EH,3FH,3EH 04bc 3f 3e 3f 3e 04c0 3f 36 27 36 DB 3FH,36H,27H,36H,3FH,3EH,3FH,3EH 04c4 3f 3e 3f 3e 04c8 3f 36 27 36 DB 3FH,36H,27H,36H,3FH,3EH,3FH,3EH 04cc 3f 3e 3f 3e 04d0 3f 36 27 36 DB 3FH,36H,27H,36H,3FH,3EH,3FH,3EH 04d4 3f 3e 3f 3e 04d8 3f 36 27 36 DB 3FH,36H,27H,36H,3FH,3EH,3FH,3EH 04dc 3f 3e 3f 3e 04e0 3f 36 27 36 DB 3FH,36H,27H,36H,3FH,3EH,3FH,3EH 04e4 3f 3e 3f 3e 04e8 3f 36 27 36 DB 3FH,36H,27H,36H,3FH,3EH,3FH,3EH 04ec 3f 3e 3f 3e 04f0 3f 36 27 36 DB 3FH,36H,27H,36H,3FH,3EH,3FH,3EH 04f4 3f 3e 3f 3e ;ADDRESS 04F8 - Interrupt, 2 Black lines, HSYNC, and JUMP to Page 6 ; SET /EF1 = LO ;NOTE: It is the 13H and 02H bytes that forces the Interrupt line LO 04f8 13 02 17 9c DB 13H,02H,17H,9CH,3FH,3EH,3FH,3EH 04fc 3f 3e 3f 3e ;DATA IN PAGE 5 ;ADDRESS 0500 - Unused -- ring conuter pulse (just in case) 0500 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 0504 b7 b6 b7 b6 0508 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 050c b7 b6 b7 b6 0510 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 0514 b7 b6 b7 b6 0518 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 051c b7 b6 b7 b6 0520 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 0524 b7 b6 b7 b6 0528 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 052c b7 b6 b7 b6 0530 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 0534 b7 b6 b7 b6 0538 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 053c b7 b6 b7 b6 0540 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 0544 b7 b6 b7 b6 0548 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 054c b7 b6 b7 b6 0550 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 0554 b7 b6 b7 b6 0558 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 055c b7 b6 b7 b6 0560 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 0564 b7 b6 b7 b6 0568 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 056c b7 b6 b7 b6 0570 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 0574 b7 b6 b7 b6 0578 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 057c b7 b6 b7 b6 0580 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 0584 b7 b6 b7 b6 0588 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 058c b7 b6 b7 b6 0590 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 0594 b7 b6 b7 b6 0598 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 059c b7 b6 b7 b6 05a0 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 05a4 b7 b6 b7 b6 05a8 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 05ac b7 b6 b7 b6 05b0 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 05b4 b7 b6 b7 b6 05b8 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 05bc b7 b6 b7 b6 05c0 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 05c4 b7 b6 b7 b6 05c8 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 05cc b7 b6 b7 b6 05d0 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 05d4 b7 b6 b7 b6 05d8 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 05dc b7 b6 b7 b6 05e0 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 05e4 b7 b6 b7 b6 05e8 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 05ec b7 b6 b7 b6 05f0 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 05f4 b7 b6 b7 b6 05f8 b7 a6 b7 b6 DB 0B7H,0A6H,0B7H,0B6H,0B7H,0B6H,0B7H,0B6H 05fc b7 b6 b7 b6 ;DATA IN PAGE 6 ;ADDRESS 0600 - 192 LINE WITH 26 DMA PULSES PER LINE ; AND SET /EF1 = LO 0600 97 86 97 9c DB 97H,86H,97H,9CH,9DH,9CH,9DH,9CH 0604 9d 9c 9d 9c 0608 97 86 97 9c DB 97H,86H,97H,9CH,9DH,9CH,9DH,9CH 060c 9d 9c 9d 9c 0610 97 86 97 9c DB 97H,86H,97H,9CH,9DH,9CH,9DH,9CH 0614 9d 9c 9d 9c 0618 97 86 97 9c DB 97H,86H,97H,9CH,9DH,9CH,9DH,9CH 061c 9d 9c 9d 9c 0620 97 86 97 9c DB 97H,86H,97H,9CH,9DH,9CH,9DH,9CH 0624 9d 9c 9d 9c 0628 97 86 97 9c DB 97H,86H,97H,9CH,9DH,9CH,9DH,9CH 062c 9d 9c 9d 9c 0630 97 86 97 9c DB 97H,86H,97H,9CH,9DH,9CH,9DH,9CH 0634 9d 9c 9d 9c 0638 97 86 97 9c DB 97H,86H,97H,9CH,9DH,9CH,9DH,9CH 063c 9d 9c 9d 9c 0640 97 86 97 9c DB 97H,86H,97H,9CH,9DH,9CH,9DH,9CH 0644 9d 9c 9d 9c 0648 97 86 97 9c DB 97H,86H,97H,9CH,9DH,9CH,9DH,9CH 064c 9d 9c 9d 9c 0650 97 86 97 9c DB 97H,86H,97H,9CH,9DH,9CH,9DH,9CH 0654 9d 9c 9d 9c 0658 97 86 97 9c DB 97H,86H,97H,9CH,9DH,9CH,9DH,9CH 065c 9d 9c 9d 9c 0660 97 86 97 9c DB 97H,86H,97H,9CH,9DH,9CH,9DH,9CH 0664 9d 9c 9d 9c 0668 97 86 97 9c DB 97H,86H,97H,9CH,9DH,9CH,9DH,9CH 066c 9d 9c 9d 9c 0670 97 86 97 9c DB 97H,86H,97H,9CH,9DH,9CH,9DH,9CH 0674 9d 9c 9d 9c 0678 97 86 97 9c DB 97H,86H,97H,9CH,9DH,9CH,9DH,9CH 067c 9d 9c 9d 9c 0680 97 86 97 9c DB 97H,86H,97H,9CH,9DH,9CH,9DH,9CH 0684 9d 9c 9d 9c 0688 97 86 97 9c DB 97H,86H,97H,9CH,9DH,9CH,9DH,9CH 068c 9d 9c 9d 9c 0690 97 86 97 9c DB 97H,86H,97H,9CH,9DH,9CH,9DH,9CH 0694 9d 9c 9d 9c 0698 97 86 97 9c DB 97H,86H,97H,9CH,9DH,9CH,9DH,9CH 069c 9d 9c 9d 9c 06a0 97 86 97 9c DB 97H,86H,97H,9CH,9DH,9CH,9DH,9CH 06a4 9d 9c 9d 9c 06a8 97 86 97 9c DB 97H,86H,97H,9CH,9DH,9CH,9DH,9CH 06ac 9d 9c 9d 9c 06b0 97 86 97 9c DB 97H,86H,97H,9CH,9DH,9CH,9DH,9CH 06b4 9d 9c 9d 9c 06b8 97 86 97 9c DB 97H,86H,97H,9CH,9DH,9CH,9DH,9CH 06bc 9d 9c 9d 9c 06c0 97 86 97 9c DB 97H,86H,97H,9CH,9DH,9CH,9DH,9CH 06c4 9d 9c 9d 9c 06c8 97 86 97 9c DB 97H,86H,97H,9CH,9DH,9CH,9DH,9CH 06cc 9d 9c 9d 9c 06d0 97 86 97 9c DB 97H,86H,97H,9CH,9DH,9CH,9DH,9CH 06d4 9d 9c 9d 9c 06d8 97 86 97 9c DB 97H,86H,97H,9CH,9DH,9CH,9DH,9CH 06dc 9d 9c 9d 9c 06e0 97 86 97 9c DB 97H,86H,97H,9CH,9DH,9CH,9DH,9CH 06e4 9d 9c 9d 9c 06e8 97 86 97 9c DB 97H,86H,97H,9CH,9DH,9CH,9DH,9CH 06ec 9d 9c 9d 9c 06f0 97 86 97 9c DB 97H,86H,97H,9CH,9DH,9CH,9DH,9CH 06f4 9d 9c 9d 9c 06f8 97 86 97 9c DB 97H,86H,97H,9CH,9DH,9CH,9DH,9CH 06fc 9d 9c 9d 9c ;DATA IN PAGE 7 ;ADDRESS 0700 - 10 Additional lines of DMA ;THIS MAKES THE ACTIVE VIDEO VIDEO 4 LINE LONGER THAN THE NTSC STANDARD 0700 97 86 97 9c DB 97H,86H,97H,9CH,9DH,9CH,9DH,9CH 0704 9d 9c 9d 9c 0708 97 86 97 9c DB 97H,86H,97H,9CH,9DH,9CH,9DH,9CH 070c 9d 9c 9d 9c 0710 97 86 97 9c DB 97H,86H,97H,9CH,9DH,9CH,9DH,9CH 0714 9d 9c 9d 9c 0718 97 86 97 9c DB 97H,86H,97H,9CH,9DH,9CH,9DH,9CH 071c 9d 9c 9d 9c 0720 97 86 97 9c DB 97H,86H,97H,9CH,9DH,9CH,9DH,9CH 0724 9d 9c 9d 9c ;ADDRESS 0728 - SET /EF1 = HI ;NOTE HERE ARE THE ADDED LINE FOR THE PAL SYSTEM 0728 b7 a6 b7 be DB 0B7H,0A6H,0B7H,0BEH,0BFH,0BEH,0BFH,0BEH 072c bf be bf be 0730 b7 a6 b7 be DB 0B7H,0A6H,0B7H,0BEH,0BFH,0BEH,0BFH,0BEH 0734 bf be bf be 0738 b7 a6 b7 be DB 0B7H,0A6H,0B7H,0BEH,0BFH,0BEH,0BFH,0BEH 073c bf be bf be 0740 b7 a6 b7 be DB 0B7H,0A6H,0B7H,0BEH,0BFH,0BEH,0BFH,0BEH 0744 bf be bf be 0748 b7 a6 b7 be DB 0B7H,0A6H,0B7H,0BEH,0BFH,0BEH,0BFH,0BEH 074c bf be bf be 0750 b7 a6 b7 be DB 0B7H,0A6H,0B7H,0BEH,0BFH,0BEH,0BFH,0BEH 0754 bf be bf be 0758 b7 a6 b7 be DB 0B7H,0A6H,0B7H,0BEH,0BFH,0BEH,0BFH,0BEH 075c bf be bf be 0760 b7 a6 b7 be DB 0B7H,0A6H,0B7H,0BEH,0BFH,0BEH,0BFH,0BEH 0764 bf be bf be 0768 b7 a6 b7 be DB 0B7H,0A6H,0B7H,0BEH,0BFH,0BEH,0BFH,0BEH 076c bf be bf be 0770 b7 a6 b7 be DB 0B7H,0A6H,0B7H,0BEH,0BFH,0BEH,0BFH,0BEH 0774 bf be bf be 0778 b7 a6 b7 be DB 0B7H,0A6H,0B7H,0BEH,0BFH,0BEH,0BFH,0BEH 077c bf be bf be 0780 b7 a6 b7 be DB 0B7H,0A6H,0B7H,0BEH,0BFH,0BEH,0BFH,0BEH 0784 bf be bf be 0788 b7 a6 b7 be DB 0B7H,0A6H,0B7H,0BEH,0BFH,0BEH,0BFH,0BEH 078c bf be bf be 0790 b7 a6 b7 be DB 0B7H,0A6H,0B7H,0BEH,0BFH,0BEH,0BFH,0BEH 0794 bf be bf be 0798 b7 a6 b7 be DB 0B7H,0A6H,0B7H,0BEH,0BFH,0BEH,0BFH,0BEH 079c bf be bf be 07a0 b7 a6 b7 be DB 0B7H,0A6H,0B7H,0BEH,0BFH,0BEH,0BFH,0BEH 07a4 bf be bf be 07a8 b7 a6 b7 be DB 0B7H,0A6H,0B7H,0BEH,0BFH,0BEH,0BFH,0BEH 07ac bf be bf be 07b0 b7 a6 b7 be DB 0B7H,0A6H,0B7H,0BEH,0BFH,0BEH,0BFH,0BEH 07b4 bf be bf be 07b8 b7 a6 b7 be DB 0B7H,0A6H,0B7H,0BEH,0BFH,0BEH,0BFH,0BEH 07bc bf be bf be 07c0 b7 a6 b7 be DB 0B7H,0A6H,0B7H,0BEH,0BFH,0BEH,0BFH,0BEH 07c4 bf be bf be 07c8 b7 a6 b7 be DB 0B7H,0A6H,0B7H,0BEH,0BFH,0BEH,0BFH,0BEH 07cc bf be bf be 07d0 b7 a6 b7 be DB 0B7H,0A6H,0B7H,0BEH,0BFH,0BEH,0BFH,0BEH 07d4 bf be bf be 07d8 b7 a6 b7 be DB 0B7H,0A6H,0B7H,0BEH,0BFH,0BEH,0BFH,0BEH 07dc bf be bf be ;ADDRESS 07E0 - RESET COUNTER AND START OVER 07e0 7f 76 67 76 DB 7FH,76H,67H,76H,7FH,7EH,7FH,7EH 07e4 7f 7e 7f 7e 07e8 7f 76 67 76 DB 7FH,76H,67H,76H,7FH,7EH,7FH,7EH 07ec 7f 7e 7f 7e 07f0 7f 76 67 76 DB 7FH,76H,67H,76H,7FH,7EH,7FH,7EH 07f4 7f 7e 7f 7e 07f8 7f 76 67 76 DB 7FH,76H,67H,76H,7FH,7EH,7FH,7EH 07fc 7f 7e 7f 7e ;END OF 2716 EPROM CODING 0800 END 0000 R0 0001 R1 0002 R2 0003 R3 0004 R4 0005 R5 0006 R6 0007 R7 0008 R8 0009 R9 000a RA 000b RB 000c RC 000d RD 000e RE 000f RF