From 20fafa71272ab9bd7959f956dea58f5b6cb78a4f Mon Sep 17 00:00:00 2001 From: kub Date: Sat, 14 Mar 2020 19:30:28 +0100 Subject: [PATCH] hvcounter table resolution reduced --- pico/misc.c | 94 +++++++++++++++++------------------------------- pico/videoport.c | 8 ++--- 2 files changed, 36 insertions(+), 66 deletions(-) diff --git a/pico/misc.c b/pico/misc.c index ab282c24..4837fd3e 100644 --- a/pico/misc.c +++ b/pico/misc.c @@ -10,72 +10,42 @@ // H-counter table for hvcounter reads in 40col mode, starting at HINT const unsigned char hcounts_40[] = { -0xa5,0xa5,0xa5,0xa6,0xa6,0xa7,0xa7,0xa8,0xa8,0xa8,0xa9,0xa9,0xaa,0xaa,0xab,0xab, -0xac,0xac,0xac,0xad,0xad,0xae,0xae,0xaf,0xaf,0xaf,0xb0,0xb0,0xb1,0xb1,0xb2,0xb2, -0xb3,0xb3,0xb3,0xb4,0xb4,0xb5,0xb5,0xb6,0xe4,0xe4,0xe5,0xe5,0xe6,0xe6,0xe7,0xe7, -0xe7,0xe8,0xe8,0xe8,0xe9,0xe9,0xe9,0xea,0xea,0xeb,0xeb,0xeb,0xec,0xec,0xec,0xed, -0xed,0xed,0xee,0xee,0xee,0xef,0xef,0xf0,0xf0,0xf0,0xf1,0xf1,0xf1,0xf2,0xf2,0xf2, -0xf3,0xf3,0xf3,0xf4,0xf4,0xf5,0xf5,0xf5,0xf6,0xf6,0xf6,0xf7,0xf7,0xf7,0xf8,0xf8, -0xf9,0xf9,0xfa,0xfa,0xfb,0xfb,0xfb,0xfc,0xfc,0xfd,0xfd,0xfe,0xfe,0xfe,0xff,0xff, -0x00,0x00,0x01,0x01,0x02,0x02,0x02,0x03,0x03,0x04,0x04,0x05,0x05,0x05,0x06,0x06, -0x07,0x07,0x08,0x08,0x09,0x09,0x09,0x0a,0x0a,0x0b,0x0b,0x0c,0x0c,0x0c,0x0d,0x0d, -0x0e,0x0e,0x0f,0x0f,0x10,0x10,0x10,0x11,0x11,0x12,0x12,0x13,0x13,0x13,0x14,0x14, -0x15,0x15,0x16,0x16,0x17,0x17,0x17,0x18,0x18,0x19,0x19,0x1a,0x1a,0x1a,0x1b,0x1b, -0x1c,0x1c,0x1d,0x1d,0x1e,0x1e,0x1e,0x1f,0x1f,0x20,0x20,0x21,0x21,0x21,0x22,0x22, -0x23,0x23,0x24,0x24,0x25,0x25,0x25,0x26,0x26,0x27,0x27,0x28,0x28,0x28,0x29,0x29, -0x2a,0x2a,0x2b,0x2b,0x2c,0x2c,0x2c,0x2d,0x2d,0x2e,0x2e,0x2f,0x2f,0x2f,0x30,0x30, -0x31,0x31,0x32,0x32,0x33,0x33,0x33,0x34,0x34,0x35,0x35,0x36,0x36,0x36,0x37,0x37, -0x38,0x38,0x39,0x39,0x3a,0x3a,0x3a,0x3b,0x3b,0x3c,0x3c,0x3d,0x3d,0x3d,0x3e,0x3e, -0x3f,0x3f,0x40,0x40,0x41,0x41,0x41,0x42,0x42,0x43,0x43,0x44,0x44,0x44,0x45,0x45, -0x46,0x46,0x47,0x47,0x48,0x48,0x48,0x49,0x49,0x4a,0x4a,0x4b,0x4b,0x4b,0x4c,0x4c, -0x4d,0x4d,0x4e,0x4e,0x4f,0x4f,0x4f,0x50,0x50,0x51,0x51,0x52,0x52,0x52,0x53,0x53, -0x54,0x54,0x55,0x55,0x56,0x56,0x56,0x57,0x57,0x58,0x58,0x59,0x59,0x59,0x5a,0x5a, -0x5b,0x5b,0x5c,0x5c,0x5d,0x5d,0x5d,0x5e,0x5e,0x5f,0x5f,0x60,0x60,0x60,0x61,0x61, -0x62,0x62,0x63,0x63,0x64,0x64,0x64,0x65,0x65,0x66,0x66,0x67,0x67,0x67,0x68,0x68, -0x69,0x69,0x6a,0x6a,0x6b,0x6b,0x6b,0x6c,0x6c,0x6d,0x6d,0x6e,0x6e,0x6e,0x6f,0x6f, -0x70,0x70,0x71,0x71,0x72,0x72,0x72,0x73,0x73,0x74,0x74,0x75,0x75,0x75,0x76,0x76, -0x77,0x77,0x78,0x78,0x79,0x79,0x79,0x7a,0x7a,0x7b,0x7b,0x7c,0x7c,0x7c,0x7d,0x7d, -0x7e,0x7e,0x7f,0x7f,0x80,0x80,0x80,0x81,0x81,0x82,0x82,0x83,0x83,0x83,0x84,0x84, -0x85,0x85,0x86,0x86,0x87,0x87,0x87,0x88,0x88,0x89,0x89,0x8a,0x8a,0x8a,0x8b,0x8b, -0x8c,0x8c,0x8d,0x8d,0x8e,0x8e,0x8e,0x8f,0x8f,0x90,0x90,0x91,0x91,0x91,0x92,0x92, -0x93,0x93,0x94,0x94,0x95,0x95,0x95,0x96,0x96,0x97,0x97,0x98,0x98,0x98,0x99,0x99, -0x9a,0x9a,0x9b,0x9b,0x9c,0x9c,0x9c,0x9d,0x9d,0x9e,0x9e,0x9f,0x9f,0x9f,0xa0,0xa0, -0xa1,0xa1,0xa2,0xa2,0xa3,0xa3,0xa3,0xa4,0xa5,0xa5,0xa5,0xa6,0xa6,0xa7,0xa7,0xa8, +0xa5,0xa6,0xa7,0xa7,0xa8,0xa9,0xaa,0xab,0xac,0xad,0xae,0xae,0xaf,0xb0,0xb1,0xb2, +0xb3,0xb4,0xb5,0xb5,0xe4,0xe5,0xe6,0xe7,0xe8,0xe8,0xe9,0xea,0xea,0xeb,0xec,0xed, +0xed,0xee,0xef,0xef,0xf0,0xf1,0xf2,0xf2,0xf3,0xf4,0xf4,0xf5,0xf6,0xf7,0xf7,0xf8, +0xf9,0xfa,0xfb,0xfc,0xfd,0xfd,0xfe,0xff,0x00,0x01,0x02,0x03,0x04,0x04,0x05,0x06, +0x07,0x08,0x09,0x0a,0x0b,0x0b,0x0c,0x0d,0x0e,0x0f,0x10,0x11,0x12,0x12,0x13,0x14, +0x15,0x16,0x17,0x18,0x19,0x19,0x1a,0x1b,0x1c,0x1d,0x1e,0x1f,0x20,0x20,0x21,0x22, +0x23,0x24,0x25,0x26,0x27,0x27,0x28,0x29,0x2a,0x2b,0x2c,0x2d,0x2e,0x2e,0x2f,0x30, +0x31,0x32,0x33,0x34,0x35,0x35,0x36,0x37,0x38,0x39,0x3a,0x3b,0x3c,0x3c,0x3d,0x3e, +0x3f,0x40,0x41,0x42,0x43,0x43,0x44,0x45,0x46,0x47,0x48,0x49,0x4a,0x4a,0x4b,0x4c, +0x4d,0x4e,0x4f,0x50,0x51,0x51,0x52,0x53,0x54,0x55,0x56,0x57,0x58,0x58,0x59,0x5a, +0x5b,0x5c,0x5d,0x5e,0x5f,0x5f,0x60,0x61,0x62,0x63,0x64,0x65,0x66,0x66,0x67,0x68, +0x69,0x6a,0x6b,0x6c,0x6d,0x6d,0x6e,0x6f,0x70,0x71,0x72,0x73,0x74,0x74,0x75,0x76, +0x77,0x78,0x79,0x7a,0x7b,0x7b,0x7c,0x7d,0x7e,0x7f,0x80,0x81,0x82,0x82,0x83,0x84, +0x85,0x86,0x87,0x88,0x89,0x89,0x8a,0x8b,0x8c,0x8d,0x8e,0x8f,0x90,0x90,0x91,0x92, +0x93,0x94,0x95,0x96,0x97,0x97,0x98,0x99,0x9a,0x9b,0x9c,0x9d,0x9e,0x9e,0x9f,0xa0, +0xa1,0xa2,0xa3,0xa4,0xa5,0xa5,0xa6,0xa7,0xa8,0xa9,0xaa,0xab,0xac,0xac,0xad,0xae, }; // H-counter table for hvcounter reads in 32col mode, starting at HINT const unsigned char hcounts_32[] = { -0x85,0x85,0x85,0x86,0x86,0x86,0x87,0x87,0x87,0x88,0x88,0x88,0x89,0x89,0x89,0x8a, -0x8a,0x8a,0x8b,0x8b,0x8c,0x8c,0x8c,0x8d,0x8d,0x8d,0x8e,0x8e,0x8e,0x8f,0x8f,0x8f, -0x90,0x90,0x90,0x91,0x91,0x91,0x92,0x92,0x93,0x93,0x93,0xe9,0xe9,0xe9,0xea,0xea, -0xea,0xeb,0xeb,0xeb,0xec,0xec,0xec,0xed,0xed,0xed,0xee,0xee,0xef,0xef,0xef,0xf0, -0xf0,0xf0,0xf1,0xf1,0xf1,0xf2,0xf2,0xf2,0xf3,0xf3,0xf3,0xf4,0xf4,0xf4,0xf5,0xf5, -0xf6,0xf6,0xf6,0xf7,0xf7,0xf7,0xf8,0xf8,0xf8,0xf9,0xf9,0xf9,0xfa,0xfa,0xfa,0xfb, -0xfb,0xfb,0xfc,0xfc,0xfd,0xfd,0xfd,0xfe,0xfe,0xfe,0xff,0xff,0xff,0x00,0x00,0x00, -0x01,0x01,0x01,0x02,0x02,0x02,0x03,0x03,0x04,0x04,0x04,0x05,0x05,0x05,0x06,0x06, -0x06,0x07,0x07,0x07,0x08,0x08,0x08,0x09,0x09,0x09,0x0a,0x0a,0x0b,0x0b,0x0b,0x0c, -0x0c,0x0c,0x0d,0x0d,0x0d,0x0e,0x0e,0x0e,0x0f,0x0f,0x0f,0x10,0x10,0x10,0x11,0x11, -0x12,0x12,0x12,0x13,0x13,0x13,0x14,0x14,0x14,0x15,0x15,0x15,0x16,0x16,0x16,0x17, -0x17,0x17,0x18,0x18,0x19,0x19,0x19,0x1a,0x1a,0x1a,0x1b,0x1b,0x1b,0x1c,0x1c,0x1c, -0x1d,0x1d,0x1d,0x1e,0x1e,0x1e,0x1f,0x1f,0x20,0x20,0x20,0x21,0x21,0x21,0x22,0x22, -0x22,0x23,0x23,0x23,0x24,0x24,0x24,0x25,0x25,0x25,0x26,0x26,0x27,0x27,0x27,0x28, -0x28,0x28,0x29,0x29,0x29,0x2a,0x2a,0x2a,0x2b,0x2b,0x2b,0x2c,0x2c,0x2c,0x2d,0x2d, -0x2e,0x2e,0x2e,0x2f,0x2f,0x2f,0x30,0x30,0x30,0x31,0x31,0x31,0x32,0x32,0x32,0x33, -0x33,0x33,0x34,0x34,0x35,0x35,0x35,0x36,0x36,0x36,0x37,0x37,0x37,0x38,0x38,0x38, -0x39,0x39,0x39,0x3a,0x3a,0x3a,0x3b,0x3b,0x3c,0x3c,0x3c,0x3d,0x3d,0x3d,0x3e,0x3e, -0x3e,0x3f,0x3f,0x3f,0x40,0x40,0x40,0x41,0x41,0x41,0x42,0x42,0x43,0x43,0x43,0x44, -0x44,0x44,0x45,0x45,0x45,0x46,0x46,0x46,0x47,0x47,0x47,0x48,0x48,0x48,0x49,0x49, -0x4a,0x4a,0x4a,0x4b,0x4b,0x4b,0x4c,0x4c,0x4c,0x4d,0x4d,0x4d,0x4e,0x4e,0x4e,0x4f, -0x4f,0x4f,0x50,0x50,0x51,0x51,0x51,0x52,0x52,0x52,0x53,0x53,0x53,0x54,0x54,0x54, -0x55,0x55,0x55,0x56,0x56,0x56,0x57,0x57,0x58,0x58,0x58,0x59,0x59,0x59,0x5a,0x5a, -0x5a,0x5b,0x5b,0x5b,0x5c,0x5c,0x5c,0x5d,0x5d,0x5d,0x5e,0x5e,0x5f,0x5f,0x5f,0x60, -0x60,0x60,0x61,0x61,0x61,0x62,0x62,0x62,0x63,0x63,0x63,0x64,0x64,0x64,0x65,0x65, -0x66,0x66,0x66,0x67,0x67,0x67,0x68,0x68,0x68,0x69,0x69,0x69,0x6a,0x6a,0x6a,0x6b, -0x6b,0x6b,0x6c,0x6c,0x6d,0x6d,0x6d,0x6e,0x6e,0x6e,0x6f,0x6f,0x6f,0x70,0x70,0x70, -0x71,0x71,0x71,0x72,0x72,0x72,0x73,0x73,0x74,0x74,0x74,0x75,0x75,0x75,0x76,0x76, -0x76,0x77,0x77,0x77,0x78,0x78,0x78,0x79,0x79,0x79,0x7a,0x7a,0x7b,0x7b,0x7b,0x7c, -0x7c,0x7c,0x7d,0x7d,0x7d,0x7e,0x7e,0x7e,0x7f,0x7f,0x7f,0x80,0x80,0x80,0x81,0x81, -0x82,0x82,0x82,0x83,0x83,0x83,0x84,0x84,0x85,0x85,0x85,0x86,0x86,0x86,0x87,0x87, +0x85,0x86,0x86,0x87,0x88,0x88,0x89,0x8a,0x8a,0x8b,0x8c,0x8d,0x8d,0x8e,0x8f,0x8f, +0x90,0x91,0x91,0x92,0x93,0xe9,0xe9,0xea,0xeb,0xeb,0xec,0xed,0xed,0xee,0xef,0xf0, +0xf0,0xf1,0xf2,0xf2,0xf3,0xf4,0xf4,0xf5,0xf6,0xf7,0xf7,0xf8,0xf9,0xf9,0xfa,0xfb, +0xfb,0xfc,0xfd,0xfe,0xfe,0xff,0x00,0x00,0x01,0x02,0x02,0x03,0x04,0x05,0x05,0x06, +0x07,0x07,0x08,0x09,0x09,0x0a,0x0b,0x0c,0x0c,0x0d,0x0e,0x0e,0x0f,0x10,0x10,0x11, +0x12,0x13,0x13,0x14,0x15,0x15,0x16,0x17,0x17,0x18,0x19,0x1a,0x1a,0x1b,0x1c,0x1c, +0x1d,0x1e,0x1e,0x1f,0x20,0x21,0x21,0x22,0x23,0x23,0x24,0x25,0x25,0x26,0x27,0x28, +0x28,0x29,0x2a,0x2a,0x2b,0x2c,0x2c,0x2d,0x2e,0x2f,0x2f,0x30,0x31,0x31,0x32,0x33, +0x33,0x34,0x35,0x36,0x36,0x37,0x38,0x38,0x39,0x3a,0x3a,0x3b,0x3c,0x3d,0x3d,0x3e, +0x3f,0x3f,0x40,0x41,0x41,0x42,0x43,0x44,0x44,0x45,0x46,0x46,0x47,0x48,0x48,0x49, +0x4a,0x4b,0x4b,0x4c,0x4d,0x4d,0x4e,0x4f,0x4f,0x50,0x51,0x52,0x52,0x53,0x54,0x54, +0x55,0x56,0x56,0x57,0x58,0x59,0x59,0x5a,0x5b,0x5b,0x5c,0x5d,0x5d,0x5e,0x5f,0x60, +0x60,0x61,0x62,0x62,0x63,0x64,0x64,0x65,0x66,0x67,0x67,0x68,0x69,0x69,0x6a,0x6b, +0x6b,0x6c,0x6d,0x6e,0x6e,0x6f,0x70,0x70,0x71,0x72,0x72,0x73,0x74,0x75,0x75,0x76, +0x77,0x77,0x78,0x79,0x79,0x7a,0x7b,0x7c,0x7c,0x7d,0x7e,0x7e,0x7f,0x80,0x80,0x81, +0x82,0x83,0x83,0x84,0x85,0x85,0x86,0x87,0x87,0x88,0x89,0x8a,0x8a,0x8b,0x8c,0x8c, }; #ifndef _ASM_MISC_C diff --git a/pico/videoport.c b/pico/videoport.c index fd7a3a46..cbcea796 100644 --- a/pico/videoport.c +++ b/pico/videoport.c @@ -975,8 +975,8 @@ PICO_INTERNAL_ASM unsigned int PicoVideoRead(unsigned int a) if (Pico.video.reg[0]&2) d = Pico.video.hv_latch; else if (Pico.video.reg[12]&1) - d = hcounts_40[d] | (Pico.video.v_counter << 8); - else d = hcounts_32[d] | (Pico.video.v_counter << 8); + d = hcounts_40[d/2] | (Pico.video.v_counter << 8); + else d = hcounts_32[d/2] | (Pico.video.v_counter << 8); elprintf(EL_HVCNT, "hv: %02x %02x [%u] @ %06x", d, Pico.video.v_counter, SekCyclesDone(), SekPc); return d; @@ -1035,8 +1035,8 @@ unsigned char PicoVideoRead8HV_L(void) if (Pico.video.reg[0]&2) d = Pico.video.hv_latch; else if (Pico.video.reg[12]&1) - d = hcounts_40[d]; - else d = hcounts_32[d]; + d = hcounts_40[d/2]; + else d = hcounts_32[d/2]; elprintf(EL_HVCNT, "hcounter: %02x [%u] @ %06x", d, SekCyclesDone(), SekPc); return d; } -- 2.39.2